| Title (link to summary) |
Number |
Date (released or updated) |
| Quality Assurance Project Plan: Burnt Bridge Creek Fecal Coliform Bacteria, Dissolved Oxygen, and Temperature Total Maximum Daily Load-Water Quality Study Design | 08-03-110 | July 2008 |
| Quality Assurance Project Plan: Union River Fecal Coliform Total Maximum Daily Load Effectiveness Monitoring | 08-03-109 | July 2008 |
| Quality Assurance Project Plan: Lead and Copper Concentrations In North Creek, Gig Harbor | 08-03-106 | May 2008 |
| Spokane River and Lake Spokane Dissolved Oxygen Total Maximum Daily Load: Water Quality Improvement Report -- DRAFT | 07-10-073 | May 2008 |
| Addendum #1 to Quality Assurance Project Plan: A Trend Monitoring Component for
Organic PBTs in the Washington State Toxics Monitoring Program | 07-03-104ADD1 | May 2008 |
| Quality Assurance Project Plan: PBT Monitoring: Measuring Perfluorinated Compounds in Washington Rivers and Lakes | 08-03-107 | May 2008 |
| Surface Water Monitoring Program for Pesticides in Salmonid-Bearing Streams, 2007 Data Summary | 08-03-009 | April 2008 |
| Lake Ballinger Total Phosphorus Total Maximum Daily Load: Water Quality Attainment Monitoring Report | 08-03-007 | April 2008 |
| Snoqualmie River Basin Fecal Coliform Bacteria, Dissolved Oxygen, Ammonia-Nitrogen, and pH Total Maximum Daily Load: Water Quality Effectiveness Monitoring Report | 08-03-005 | March 2008 |
| Quality Assurance Project Plan: Drayton Harbor Watershed Fecal Coliform Total Maximum Daily Load: Phase 1 Water Quality Study Design | 08-03-105 | March 2008 |
| Quality Assurance Project Plan: Water Quality Monitoring for Fecal Coliform Bacteria in Dobbs Creek | 08-10-009 | January 2008 |
| Skokomish River Basin Fecal Coliform Bacteria Total Maximum Daily Load Study: Water Quality Attainment Monitoring Report | 07-03-054 | December 2007 |
| Tributaries to Totten, Eld and Little Skookum Inlets Fecal Coliform Bacteria and Temperature Total Maximum Daily Load: Water Quality Implementation Plan | 07-10-071 | December 2007 |
| Lower Skagit River Tributaries Riparian Vegetation Change Analysis Results | 07-03-050 | November 2007 |
| Measuring Mercury Trends in Freshwater Fish in Washington State: 2006 Sampling Results | 07-03-043 | September 2007 |
| Palermo Wellfield Superfund Site Subdrain System and Treatment Lagoon, Status Report, November 2006 and June 2007 | 07-03-044 | September 2007 |
| Streamflow Summary for Gaging Stations on the Naches River and Rattlesnake Creek, 2004 | 07-03-042 | September 2007 |
| Green River and Newaukum Creek Temperature and Dissolved Oxygen Total Maximum Daily Load Study: Data Summary Report | 07-03-001 | August 2007 |
| Addendum to Quality Assurance Monitoring Plan: Stream Ambient Water Quality Monitoring: Correction of Responsibilities and Addition of Analytes. | 03-03-200ADD1 | August 2007 |
| Willapa River Fecal Coliform Bacteria Verification Study: Water Quality Monitoring Report | 07-03-039 | August 2007 |
| Quality Assurance Project Plan: Palouse River Dissolved Oxygen and pH Total Maximum Daily Load Study-Water Quality Study Design | 07-03-110 | August 2007 |
| Quality Assurance Project Plan: Dieldrin and PCB Monitoring of Wastewater Treatment Plants in the Palouse River Watershed | 07-03-111 | August 2007 |
| Quality Assurance Project Plan: Lake Chelan Wapato Basin Total Phosphorus TMDL Effectiveness Monitoring, 2007 | 07-03-109 | August 2007 |
| Clean Streams for Clean Shellfish: Stream Cleanup by Looking Around | 07-10-068 | August 2007 |
| Wenatchee River Watershed Temperature Total Maximum Daily Load: Water Quality Improvement Report | 07-10-045 | July 2007 |
| Quality Assurance Project Plan: Yakima River Chlorinated Pesticides, PCBs, Suspended Sediment, and Turbidity Total Maximum Daily Load Study. | 07-03-107 | July 2007 |
| Mission Creek Watershed DDT Total Maximum Daily Load: Water Quality Improvement Report | 07-10-046 | July 2007 |
| Quality Assurance Project Plan: Palouse River Bacteria Total Maximum Daily Load Water Quality Study Design | 07-03-108 | July 2007 |
| Lower Skagit River Fecal Coliform Total Maximum Daily Load: Water Quality Implementation Plan | 07-10-056 | July 2007 |
| Walla Walla Watershed Temperature Total Maximum Daily Load: Water Quality Improvement Report | 07-10-030 | June 2007 |
| Fauntleroy Creek Fecal Coliform Total Maximum Daily Load: Water Quality Improvement Report | 07-10-037 | June 2007 |
| Quality Assurance Project Plan: Palouse River Temperature Total Maximum Daily Load Study | 07-03-106 | June 2007 |
| Quality Assurance Project Plan: Marion Drain Intensive Surface Water Sampling for Pesticides In Salmonid-Bearing Streams | 07-03-105 | June 2007 |
| Quality Assurance Project Plan: A Trend Monitoring Component for Organic PBTs in the Washington State Toxics Monitoring Program | 07-03-104 | June 2007 |
| Nisqually River Basin Fecal Coliform Bacteria and Dissolved Oxygen Total Maximum Daily Load: Water Quality Implementation Plan | 07-10-016 | June 2007 |
| Cottage Lake Total Phosphorus Total Maximum Daily Load Water Quality Implementation Plan | 06-10-066 | April 2007 |
| Addendum to Quality Assurance Project Plan for Surface Water Monitoring Program for Pesticides in Salmonid Bearing Streams: Addition of Wenatchee and Entiat Watersheds in the Upper Columbia Basin. | 03-03-104ADD2 | February 2007 |
| Assessment of Surface Water / Groundwater Interactions and Associated Nutrient Fluxes in the Deschutes River and Percival Creek Watersheds, Thurston County | 07-03-002 | January 2007 |
| Quality Assurance Project Plan: Bertrand Creek and Meadowdale Areas (Whatcom County) Follow-Up Study of EDB and 1,2-DCP in Residential Wells. | 07-03-102 | January 2007 |
| Whatcom Creek Fecal Coliform Total Maximum Daily Load Report: Water Quality Improvement Plan -- DRAFT | 06-10-041 | January 2007 |
| Addendum to the Quality Assurance Project Plan for the Naches River Temperature Total Daily Maximum Load Study. | 04-03-110ADD | January 2007 |
| Wilson Creek Sub-basin Bacteria Total Maximum Daily Load Detailed Implementation Plan | 06-10-065 | December 2006 |
| Quality Assurance Project Plan: Puyallup River Watershed Fecal Coliform Bacteria Total Maximum Daily Load Study | 06-03-115 | December 2006 |
| Quality Assurance Project Plan: Similkameen River and Palmer Lake Investigation of Arsenic in Fish Tissue | 06-03-118 | December 2006 |
| Colville National Forest Temperature and Bacteria Total Maximum Daily Load: Water Quality Implementation Plan | 06-10-059 | October 2006 |
| Pullman Stormwater Pilot Study for Pesticides, PCBs, and Fecal Coliform Bacteria, 2005-2006 | 06-03-034 | October 2006 |
| Sampling and Analysis Plan and Quality Assurance Project Plan:
Green River and Newaukum Creek Temperature and Dissolved Oxygen Study | 06-03-110 | October 2006 |
| Quality Assurance Project Plan: Depositional History of Mercury in Selected Washington Lakes Determined from Sediment Cores. | 06-03-113 | October 2006 |
| Surface Water Monitoring Program for Pesticides in Salmonid-Bearing Streams, 2003-2005: A Cooperative Study by the Washington State Departments of Ecology and Agriculture | 06-03-036 | October 2006 |
| Sampling and Analysis Plan and Quality Assurance Project Plan: Bear/Evans Watershed Temperature and Dissolved Oxygen Total Maximum Daily Load Study | 06-03-107 | September 2006 |
| Quality Assurance Project Plan: South Fork Palouse River Dissolved Oxygen and pH Total Maximum Daily Load Study | 06-03-112 | September 2006 |
| Quality Assurance Project Plan: Chlorinated Pesticides, PCBs, and Dioxins in Yakima River Fish - 2006: Assessing Progress Toward TMDL Targets and Updating the Fish Consumption Advisory | 06-03-111 | September 2006 |
| Palermo Wellfield Superfund Site Subdrain System and Treatment Lagoon, Status Report, September 2005 and June 2006 | 06-03-035 | September 2006 |
| Results from Monitoring Endosulfan and Dieldrin in Wide Hollow Creek, Yakima River Drainage, 2005-06 | 06-03-038 | September 2006 |
| Stillaguamish River Watershed Temperature Total Maximum Daily Load: Water Quality Improvement Report -- Vol. 2: Implementation Strategy | 06-10-057 | September 2006 |
| River and Stream Water Quality Monitoring Report for Water Year 2005 | 06-03-032 | September 2006 |
| PCBs, PBDEs, and Selected Metals in Spokane River Fish, 2005 | 06-03-025 | August 2006 |
| PBDEs Flame Retardants in Washington Rivers and Lakes: Concentrations in Fish and Water, 2005-06 | 06-03-027 | August 2006 |
| Quality Assurance Project Plan: Puyallup and White Rivers Temperature and Dissolved Oxygen Monitoring | 06-03-204 | August 2006 |
| Quality Assurance Project Plan: Old Stillaguamish River Multi-Parameter Total Maximum Daily Load Study | 06-03-108 | August 2006 |
| Quality Assurance Project Plan: Snoqualmie River Temperature Total Maximum Daily Load Study | 06-03-106 | July 2006 |
| Zinc and Copper Concentrations in an Industrial Area Creek during Storm Events | 06-03-023 | June 2006 |
| Quality Assurance Project Plan: South Fork Palouse River Fecal Coliform Bacteria Total Maximum Daily Load Study | 06-03-105 | June 2006 |
| Quality Assurance Project Plan: South Fork Palouse River Temperature Total Maximum Daily Load Study | 06-03-104 | June 2006 |
| Lower Yakima River Suspended Sediment Total Maximum Daily Load: Effectiveness Monitoring Report | 06-03-014 | May 2006 |
| Washington State Toxics Monitoring Program: Toxic Contaminants in Fish Tissue and Surface Water in Freshwater Environments, 2003 | 06-03-019 | May 2006 |
| Quality Assurance Project Plan: Samish Bay Fecal Coliform Bacteria Total Maximum Daily Load Study | 06-03-102 | March 2006 |
| Tributaries to Totten, Eld, and Little Skookum Inlets - Fecal Coliform Bacteria and Temperature Total Maximum Daily Load: Water Quality Improvement Report | 06-03-007 | March 2006 |
| Henderson Inlet Watershed Fecal Coliform Bacteria, Dissolved Oxygen, pH, and Temperature Total Maximum Daily Load Study | 06-03-012 | March 2006 |
| Addendum to the Quality Assurance Project Plan for Surface Water Monitoring Program for Pesticides in Salmonid-Bearing Streams: Addition of Skagit-Samish Watersheds, and Extension of Program through June 2009. | 03-03-104ADD | March 2006 |
| Quality Assurance Project Plan: Willapa River Fecal Coliform Bacteria Verification Study | 06-03-202 | February 2006 |
| Groundwater-Surface Water Interactions along the Naches and Tieton Rivers, Summer and Fall 2004 | 06-03-003 | January 2006 |
| Lake Tapps (Pierce County) Monitoring, Final Data Report | 06-03-006 | January 2006 |
| Quality Assurance Project Plan: Lake Ballinger Total Maximum Daily Load Effectiveness Monitoring Study | 06-03-201 | January 2006 |
| Wenatchee River Basin Fecal Coliform Bacteria Total Maximum Daily Load Study | 05-03-012 | December 2005 |
| Washington State Groundwater Assessment Program: Hydrology and Quality of Groundwater in the Centralia-Chehalis Area Surficial Aquifer | 05-03-040 | December 2005 |
| Quality Assurance Project Plan: PCBs and Other Contaminants in Spokane River Fish, 2005 | 05-03-120 | December 2005 |
| Walla Walla River Basin Fecal Coliform Bacteria Total Maximum Daily Load Study | 05-03-041 | December 2005 |
| Focus on Fecal Coliform Bacteria | 02-10-010 | December 2005 |
| Quality Assurance Project Plan: Continuous Stream Temperature Monitoring by the Freshwater Monitoring Unit | 05-03-202 | December 2005 |
| Investigation of Petroleum Products in Black Lake Sediment and Surface Water Adjacent to an Underground Storage Tank Site | 05-03-030 | September 2005 |
| Quality Assurance Project Plan: PBT Monitoring: Measuring PBDE Levels in Washington Rivers and Lakes | 05-03-113 | September 2005 |
| Quality Assurance Project Plan: Metals Concentrations from Stormwater Runoff in an Industrial Area Creek | 05-03-112 | September 2005 |
| Wenatchee River Temperature Total Maximum Daily Load Study | 05-03-011 | August 2005 |
| Surface Water Monitoring Program for Pesticides in Salmonid-Bearing Streams, April through October, 2004: A Cooperative Study by the Washington State Departments of Ecology and Agriculture | 05-03-025 | August 2005 |
| Palermo Wellfield Superfund Site Subdrain System and Treatment Lagoon, Status Report, September 2004 and June 2005 | 05-03-027 | August 2005 |
| Quality Assurance Project Plan: Pataha Creek Effectiveness Monitoring Total Maximum Daily Load Study | 05-03-203 | August 2005 |
| Assessment of Total Dissolved Gas in the Spokane River at Upriver and Little Falls Dams | 05-03-010 | July 2005 |
| Groundwater Data Summary for the Wenatchee River Watershed Total Maximum Daily Load Study | 05-03-018 | July 2005 |
| Lake Chelan DDT and PCBs in Fish Total Maximum Daily Load Study | 05-03-014 | June 2005 |
| Verification of 303(d) Listings for Fish Tissue in the Skagit and Pend Oreille Rivers | 05-03-017 | June 2005 |
| Quality Assurance Project Plan: East Fork Lewis River Temperature and Fecal Coliform Bacteria Total Maximum Daily Load Study | 05-03-110 | June 2005 |
| Nisqually River Basin Fecal Coliform Bacteria and Dissolved Oxygen Total Maximum Daily Load Study | 05-03-002 | May 2005 |
| Quality Assurance Project Plan: Assessing Current Levels of 303(d) Listed Pesticides and PCBs in Palouse River Fish | 05-03-106 | May 2005 |
| Quality Assurance Project Plan: Total Maximum Daily Load Analysis for Temperature in Tributaries to Oakland Bay-Hammersley Inlet: Mill Creek, Cranberry Creek, and Johns Creek | 05-03-107 | May 2005 |
| A Comparison of Water Quality Data Collected from Two Washington Rivers by the Department of Ecology and the U.S. Geological Survey | 05-03-009 | April 2005 |
| Spatial Extent of Dioxin/Furan Contaminated Sediments in Dillenbaugh Creek | 05-03-008 | April 2005 |
| Quality Assurance Project Plan: Investigation of Petroleum Products in Black Lake Sediment and Surface Water from Underground Tanks. | 05-03-105 | April 2005 |
| Concentrations of 303(d) Listed Pesticides, PCBs, and PAHs Measured with Passive Samplers Deployed in the Lower Columbia River | 05-03-006 | March 2005 |
| Effects of Small-Scale Gold Dredging on Arsenic, Copper, Lead, and Zinc Concentrations in the Similkameen River | 05-03-007 | March 2005 |
| Quality Assurance Project Plan: Saginaw Mill Groundwater Monitoring | 05-03-102 | February 2005 |
| Walla Walla River Basin Fecal Coliform Bacteria and pH Total Maximum Daily Load Study, Data Summary Report | 05-03-003 | February 2005 |
| Quality Assurance Project Plan: Skokomish River Basin Fecal Coliform TMDL Attainment Monitoring | 05-03-201 | February 2005 |
| Lake Whatcom Total Maximum Daily Load Groundwater Study | 05-03-001 | January 2005 |
| Results of a Screening Analysis for Pharmaceuticals in Wastewater Treatment Plant Effluents, Wells, and Creeks in the Sequim-Dungeness Area | 04-03-051 | November 2004 |
| Surface Water Monitoring Program for Pesticides in Salmonid-Bearing Streams, April to December, 2003: A Cooperative Study Conducted by the Washington State Departments of Ecology and Agriculture | 04-03-048 | November 2004 |
| Quality Assurance Project Plan: Verification of 303(d) Listings for Fish Tissue in the Skagit and Pend Oreille Rivers | 04-03-115 | November 2004 |
| A Total Maximum Daily Load Evaluation for Chlorinated Pesticides and PCBs
in the Walla Walla River | 04-03-032 | October 2004 |
| DDT Contamination and Transport in the Lower Mission Creek Basin, Chelan County: Total Maximum Daily Load Assessment | 04-03-043 | October 2004 |
| Quality Assurance Project Plan: Old Stillaguamish River Channel Diel Surveys. | 04-03-113 | October 2004 |
| Quality Assurance Project Plan: Naches River Temperature Total Maximum Daily Load | 04-03-110 | September 2004 |
| Quality Assurance Project Plan: Fecal Coliform Bacteria TMDL for Oakland Bay-Hammersley Inlet and Tributaries | 04-03-111 | September 2004 |
| Quality Assurance Project Plan: Total Maximum Daily Load Effectiveness Monitoring Study: Lakes Erie and Campbell | 04-03-206 | September 2004 |
| Willapa River Watershed Temperature Total Maximum Daily Load Study | 04-03-024 | September 2004 |
| Quality Assurance Project Plan: Pend Oreille River Temperature Total Maximum Daily Load Technical Study | 04-03-109 | September 2004 |
| Whatcom Creek Fecal Coliform Total Maximum Daily Load Study | 04-03-015 | August 2004 |
| Palermo Wellfield Superfund Site Subdrain System and Treatment Lagoon, Status Report, October 2003 and May 2004 | 04-03-038 | August 2004 |
| Stillaguamish River Watershed Fecal Coliform, Dissolved Oxygen, pH, Mercury, and Arsenic Total Maximum Daily Load Study | 04-03-017 | July 2004 |
| River and Stream Water Quality Monitoring Report for Water Year 2003 | 04-03-031 | July 2004 |
| Verification of 303(d)-listed Sites in Northwest, Central, and Eastern Regions of Washington State | 04-03-035 | July 2004 |
| Quality Assurance Project Plan: Lake Tapps Monitoring | 04-03-204 | July 2004 |
| Quality Assurance Project Plan: Lake Bacteria Sampling Project | 04-03-202 | July 2004 |
| Quality Assurance Project Plan: Effects of Small-Scale Gold Dredging on Metals Concentrations in the Similkameen River | 04-03-108 | July 2004 |
| Flow Summary for Gaging Stations on the Willapa River and Selected Tributaries | 04-03-023 | June 2004 |
| Total Maximum Daily Load for Total Dissolved Gas in the Mid-Columbia River and Lake Roosevelt | 04-03-002 | June 2004 |
| Mercury in Lake Whatcom Sediments: Spatial Distribution, Depositional History, and Tributary Inputs | 04-03-019 | June 2004 |
| Groundwater Contributions to Siebert Creek (Clallam County) During the Summer of 2003 | 04-03-021 | May 2004 |
| North Fork Palouse River Fecal Coliform Bacteria Total Maximum Daily Load Recommendations | 04-03-022 | May 2004 |
| Quality Assurance Project Plan: Tributaries to Totten, Eld, and Little Skookum Inlets Temperature and Fecal Coliform Bacteria Total Maximum Daily Load Study | 04-03-106 | May 2004 |
| Quality Assurance Project Plan: Pend Oreille River Total Dissolved Gas Total Maximum Daily Load Technical Study | 04-03-107 | May 2004 |
| Little Squalicum Creek Screening Level Assessment | 04-03-014 | April 2004 |
| Upper Chehalis River Fecal Coliform Bacteria Total Maximum Daily Load Recommendations | 04-03-004 | April 2004 |
| Assessment of Changes in Water Quality in the Spokane River Between Riverside State Park and the Washington-Idaho Border | 04-03-007 | April 2004 |
| Stillaguamish River Watershed Temperature Total Maximum Daily Load Study | 04-03-010 | March 2004 |
| Quality Assurance Project Plan: Snoqualmie River Total Maximum Daily Load Effectiveness Evaluation | 04-03-201 | March 2004 |
| Dungeness Bay Fecal Coliform Bacteria Total Maximum Daily Load Study | 04-03-012 | March 2004 |
| Third Screening Investigation of Water and Sediment Quality of Creeks in Ten Washington Mining Districts, with Emphasis on Metals | 04-03-005 | February 2004 |
| Spokane River and Lake Spokane (Long Lake) Pollutant Loading Assessment for Protecting Dissolved Oxygen | 04-03-006 | February 2004 |
| Entiat and Mad Rivers Fish Habitat Analysis Using the Instream Flow Incremental Methodology | 95-166 | February 2004 |
| Quality Assurance Project Plan: Deschutes River, Capitol Lake, and Budd Inlet Temperature, Fecal Coliform Bacteria, Dissolved Oxygen, pH, and Fine Sediment Total Maximum Daily Load Study | 04-03-103 | February 2004 |
| Lower Skagit River Tributaries Temperature Total Maximum Daily Load Study | 04-03-001 | January 2004 |
| Squalicum Creek Toxics Screening Study | 04-03-003 | January 2004 |
| Quality Assurance Project Plan: Spatial Extent of Dioxin/Furan Contaminated Sediments in Dillenbaugh Creek | 04-03-101 | January 2004 |
| Quality Assurance Project Plan: Verification of 303(d) Listed Sites in Northwest, Central, and Eastern Regions of Washington State | 03-03-112 | December 2003 |
| Palermo Wellfield Superfund Site Subdrain System and Treatment Lagoon Status Report, December 2002 and May 2003 | 03-03-046 | October 2003 |
| Quality Assurance Project Plan: Little Squalicum Creek Biological Toxicity Assessment | 03-03-110 | October 2003 |
| Padden Creek Pesticide Study: Final Report | 03-03-048 | October 2003 |
| Quality Assurance Project Plan: Total Maximum Daily Load Study for PCBs in the Spokane River | 03-03-107 | October 2003 |
| Quality Assurance Project Plan: Monitoring 303(d) Listed Pesticides, PCBs, and PAHs in the Lower Columbia River Drainage Using a Semipermeable Membrane Device | 03-03-108 | October 2003 |
| Aquatic Plants Technical Assistance Program, 2002 Activity Report | 03-03-033 | September 2003 |
| Data Summary: Spokane River and Lake Spokane (Long Lake) Pollutant Loading Assessment for Protecting Dissolved Oxygen | 03-03-023 | August 2003 |
| Quality Assurance Project Plan: Lake Bacteria Sampling Project | 03-03-201 | August 2003 |
| Total Maximum Daily Load for Lower Snake River Total Dissolved Gas | 03-03-020 | August 2003 |
| Quality Assurance Project Plan: Wenatchee River Temperature, Dissolved Oxygen, pH, and Fecal Coliform Total Maximum Daily Load, Year 2 Technical Study | 03-03-106 | August 2003 |
| Quality Assurance Project Plan: TMDL Effectiveness Monitoring and Water Quality Evaluation in the Lower Yakima River | 04-03-203 | July 2003 |
| TMDL Technical Assessment of DDT and PCBs in the Lower Okanogan River Basin | 03-03-013 | July 2003 |
| Quality Assurance Project Plan: Total Maximum Daily Load Study for DDT and PCBs in Lake Chelan | 03-03-105 | July 2003 |
| Condition of Fresh Waters in Washington State for the Year 2002 | 03-03-030 | June 2003 |
| River and Stream Ambient Monitoring Report for Water Year 2002 | 03-03-032 | June 2003 |
| Mercury in Edible Fish Tissue and Sediments from Selected Lakes and Rivers of Washington State | 03-03-026 | June 2003 |
| Effectiveness Monitoring for Fecal Coliform Total Maximum Daily Loads in Pipers Creek | 03-03-027 | June 2003 |
| South Prairie Creek Bacteria and Temperature Total Maximum Daily Load Study | 03-03-021 | June 2003 |
| Quality Assurance Project Plan: Washington State Surface Water Monitoring Program for Pesticides in Salmonid Habitat for Two Index Watersheds | 03-03-104 | May 2003 |
| Investigation of Background Inorganic and Organic Arsenic in Four Washington Lakes | 03-03-024 | May 2003 |
| Flow Summary for Gaging Stations on the Stillaguamish River and Selected Tributaries, May through October 2001 | 03-03-019 | April 2003 |
| Quality Assurance Project Plan: Total Maximum Daily Load Study for DDT Contamination and Transport in the Lower Mission Creek Basin, Chelan County, Washington | 03-03-103 | April 2003 |
| Skokomish River Detailed Implementation Plan for Fecal Coliform Bacteria | 02-10-072 | April 2003 |
| Verification of 1998 303(d) PCB Listing, Inner Budd Inlet | 03-03-016 | April 2003 |
| Groundwater/Surface Water Interactions in the Upper Sammamish River: A Preliminary Analysis | 03-03-015 | March 2003 |
| Quality Assurance Project Plan: Spokane River Total Dissolved Gas Total Maximum Daily Load Evaluation | 03-03-102 | March 2003 |
| Washington State Toxics Monitoring Program: Toxic Contaminants in Fish Tissue and Surface Water in Freshwater Environments, 2001 | 03-03-012 | March 2003 |
| Sediment Toxicity Near Gas Works Park, Lake Union, Seattle | 03-03-014 | March 2003 |
| Moses Lake Total Maximum Daily Load Groundwater Study | 03-03-005 | February 2003 |
| Norfolk Combined Sewer Overflow (Duwamish River) Sediment Cap Recontamination, Phase I Investigation | 03-03-004 | February 2003 |
| Quality Assurance Project Plan: Henderson and Nisqually TMDL Study | 03-03-100 | February 2003 |
| Effectiveness Monitoring for Dioxin Total Maximum Daily Loads in Western Washington | 03-03-002 | January 2003 |
| Water Quality Assessments of Volunteer-Monitored Lakes Within Washington State, 1998-1999 | 02-03-019 | December 2002 |
| Appendices for "Water Quality Assessments of Volunteer-Monitored Lakes Within Washington State, 1998-1999" | 02-03-019app | December 2002 |
| Washington State Marine Water Quality, 1998 through 2000 | 02-03-056 | December 2002 |
| 2002 Index Watershed Salmon Recovery Monitoring Report | 02-03-061 | December 2002 |
| Quality Assurance Project Plan: Characterization of Groundwater Discharge to Lake Whatcom | 02-03-082 | December 2002 |
| Quality Assurance Project Plan: Monitoring for Nitrate Trends in the Central Sumas-Blaine Surficial Aquifer | 02-03-084 | December 2002 |
| Grays Harbor/Chehalis Watershed Fecal Coliform Bacteria Total Maximum Daily Load Submittal Report | 01-10-025 | December 2002 |
| Quality Assurance Project Plan: Squalicum Creek Toxics Screening Study | 02-03-083 | December 2002 |
| Arsenic Concentrations in Three Palmer Lake Sediment Samples | 02-03-058 | December 2002 |
| Effectiveness Monitoring for Total Phosphorus Total Maximum Daily Loads in Fenwick and Sawyer Lakes | 02-03-054 | December 2002 |
| A Water Quality Index for Ecology's Stream Monitoring Program | 02-03-052 | December 2002 |
| Mobilization and Impacts of Arsenic Species and Selected Metals on a Wetland Adjacent to the B&L Landfill, Milton | 02-03-053 | November 2002 |
| Total Dissolved Gas Monitoring Results Columbia and Snake Rivers, May-July 2002 | 02-03-051 | November 2002 |
| A Total Maximum Daily Load Evaluation for Arsenic in the Similkameen River | 02-03-044 | November 2002 |
| Analysis of Fish Tissue from Long Lake (Spokane River) for PCBs and Selected Metals | 02-03-049 | November 2002 |
| Quality Assurance Project Plan: Screening Investigation of Water and Sediment Quality in Creeks from Ten Washington Mining Districts | 02-03-081 | October 2002 |
| Quality Assurance Project Plan: Verification of 1998 303(d) Listing for PCBs in Budd Inlet (Inner) | 02-03-085 | October 2002 |
| Quality Assurance Project Plan: Screening Survey of Mercury Levels in Edible Fish Tissue from Selected Lakes and Rivers of Washington State | 02-03-080 | October 2002 |
| River and Stream Ambient Monitoring Report for Water Year 2001 | 02-03-047 | October 2002 |
| Pesticide Monitoring in the Mission Creek Basin, Chelan County | 02-03-022 | October 2002 |
| Results and Recommendations from Monitoring Arsenic Levels in 303(d) Listed Rivers in Washington | 02-03-045 | October 2002 |
| Quality Assurance Project Plan: Woodland Creek Temperature TMDL | 02-03-077 | September 2002 |
| Quality Assurance Project Plan: Mercury in Sediments from Lake Whatcom and Surrounding Lakes: Determination of Spatial and Temporal Patterns and Characterization of Tributary Inputs | 02-03-079 | September 2002 |
| Total Maximum Daily Load for Lower Columbia River Total Dissolved Gas | 02-03-004 | September 2002 |
| Reconnaissance Survey of Dioxins and Furans in Dillenbaugh Creek and the Chehalis River near the American Crossarm Site | 02-03-043 | September 2002 |
| Water Quality Assessment of the Nooksack River between Brennan and North Cedarville | 02-03-037 | September 2002 |
| Quality Assurance Project Plan: Investigation of Background Concentrations of Organic and Inorganic Arsenic in Freshwater Fish Tissue in Four Washington Lakes | 02-03-075 | September 2002 |
| Results of Sampling to Verify 303(d) Metals Listings for Selected Washington State Rivers and Creeks | 02-03-039 | September 2002 |
| Quality Assurance Project Plan: Walla Walla River Basin Fecal Coliform Bacteria and pH Total Maximum Daily Load Study | 02-03-076 | August 2002 |
| A Summary of Water Quality Data Collected in the Wilson/Cherry Sub-basin, April - October 1999 | 02-03-038 | August 2002 |
| Quality Assurance Project Plan: TMDL Technical Assessment of DDT and PCBs in the Okanogan River | 02-03-070 | August 2002 |
| Little Klickitat River Watershed Temperature Total Maximum Daily Load | 02-03-031 | August 2002 |
| Quality Assurance Project Plan: Wenatchee River Temperature, Dissolved Oxygen, and pH Total Maximum Daily Load, Year 1 Technical Study | 02-03-069 | July 2002 |
| Addendum to the Quality Assurance Project Plan: Wenatchee River Temperature, Dissolved Oxygen, and pH Total Maximum Daily Load Year 1 Technical Study | 02-03-069add | July 2002 |
| Colville River Fecal Coliform Total Maximum Daily Load Study | 02-03-036 | July 2002 |
| Data Summary: Upper Yakima River Basin Suspended Sediment and Organochlorine Pesticide TMDL Evaluation | 02-03-032 | July 2002 |
| Quality Assurance Project Plan: Norfolk CSO Sediment Cap Recontamination Phase 1 Inspection | 02-03-073 | July 2002 |
| Quality Assurance Project Plan: Lake Whatcom TMDL Study | 02-03-074 | July 2002 |
| Quality Assurance Project Plan: TMDL Technical Study: Chlorinated Pesticides and PCBs in the Walla Walla River | 02-03-068 | July 2002 |
| Quality Assurance Project Plan: Mid Columbia and Snake Rivers Total Dissolved Gas TMDL Field Monitoring | 02-03-067 | July 2002 |
| Quality Assurance Project Plan: Pesticide Monitoring in the Mission Creek Basin | 02-03-071 | July 2002 |
| Quality Assurance Project Plan: Walla Walla River Tributaries Temperature Total Maximum Daily Load | 02-03-066 | June 2002 |
| Moses Lake Inflow-Outflow Balance: A Component of the Moses Lake Total Phosphorus Total Maximum Daily Load | 02-03-029 | June 2002 |
| Washington State Water Quality Assessment: Year 2002 Section 305(b) Report | 02-03-026 | June 2002 |
| Second Screening Investigation of Water and Sediment Quality of Creeks in Ten Washington Mining Districts, with Emphasis on Metals | 02-03-024 | June 2002 |
| Journal article: Determining trophic state in Lake Whatcom, Washington (USA), a soft water lake exhibiting seasonal nitrogen limitation. Hydrobiologia 468:107-121, 2002 | 02-03-028 | June 2002 |
| Focus Sheet: Dissolved Oxygen in the Spokane River and Long Lake | 02-10-002 | June 2002 |
| Spill Scene Summer 2002 | 02-08-006 | June 2002 |
| Aquatic Plants Technical Assistance Program 2001 Activity Report | 02-03-025 | June 2002 |
| Dungeness River and Matriotti Creek Fecal Coliform Bacteria Total Maximum Daily Load Study | 02-03-014 | May 2002 |
| 1998 303(d) PCB Listing for Chambers Creek Mussels: New Data | 02-03-013 | April 2002 |
| Quality Assurance Project Plan: Mobilization and Impacts of Arsenic Species and Selected Metals on a Wetland Adjacent the B&L Landfill, Milton, Washington | 02-03-086 | April 2002 |
| Chehalis Best Management Practices Evaluation Project, Final Report for Water Quality Sites | 02-03-015 | April 2002 |
| Upper Yakima River Basin Suspended Sediment and Organochlorine Pesticide Total Maximum Daily Load Evaluation | 02-03-012 | April 2002 |
| McAllister Creek Water Quality Survey for Fecal Coliform Bacteria, Total Suspended Solids, Turbidity, and Nutrients | 02-10-017 | April 2002 |
| Spokane Area Point Source PCB Survey, May 2001 | 02-03-009 | March 2002 |
| Wind River Watershed Temperature Total Maximum Daily Load | 02-03-010 | March 2002 |
| Focus Sheet: Water Quality in the Colville River Watershed | 02-10-013 | March 2002 |
| Quality Assurance Project Plan: Comparison of Toxicity in Lake Union Sediments Using Molecular DNA Techniques and Conventional Bioassay Measures | 02-03-089 | March 2002 |
| The Lower Nooksack River: Metals in Sediments Upstream and Downstream of the Ferndale Wastewater Treatment Plant | 02-03-006 | March 2002 |
| Factors Affecting Waters with a High pH: Statewide Analysis | 02-03-005 | February 2002 |
| Quality Assurance Project Plan: Analysis of Fish from Long Lake, Washington, for PCBs and Selected Metals | 02-03-088 | February 2002 |
| 2001 Washington State Water Quality Assessment Section 305(b) Report Update | 01-10-015 | January 2002 |
| Assessment of Surface Water and Groundwater Interchange within the Muck Creek Watershed, Pierce County | 01-03-037 | December 2001 |
| Salmon Recovery Index Watershed Monitoring Program: Water Quality Index Report, October 2000 - September 2001 | 01-03-046 | December 2001 |
| Quality Assurance Project Plan: Stillaguamish River Temperature Total Maximum Daily Load | 01-03-066 | December 2001 |
| Addendum to the Quality Assurance Project Plan: Monitoring Program to Verify 303(d) Metals Listings for Selected Rivers and Creeks: Addendum, Arsenic Sampling of Selected Washington Rivers | 01-03-070 | December 2001 |
| Padden Creek Pesticide Monitoring Program, 2001 Progress Report | 01-03-045 | December 2001 |
| Relationship Between the Upper Dungeness River and the Bedrock Aquifer, Clallam County | 01-03-027 | December 2001 |
| Reassessment of Toxicity of Lake Roosevelt Sediments | 01-03-043 | December 2001 |
| River and Stream Ambient Monitoring Report for Water Year 2000 | 01-03-042 | December 2001 |
| Chehalis Best Management Practices Evaluation Project, 1995-2000 Temperature Monitoring Data | 01-03-041 | December 2001 |
| Dungeness River/Matriotti Creek Fecal Coliform Bacteria Total Maximum Daily Load Study Streamflow Summary | 01-03-039 | November 2001 |
| Union River Fecal Coliform Total Maximum Daily Load Study | 01-03-038 | November 2001 |
| Quality Assurance Project Plan: Groundwater/Surface Water Interactions In the Sammamish River: a Preliminary Analysis. | 01-03-068 | October 2001 |
| Condition of Freshwaters in Washington State for the Year 2000 | 01-03-025 | October 2001 |
| Condition of Freshwaters in Washington State: Technical Appendix | 01-03-026 | October 2001 |
| Zinc, Copper, and Lead Concentrations in Quilceda and Allen Creeks: Results of Cooperative Monitoring by Snohomish County and the Washington State Department of Ecology | 01-03-031 | October 2001 |
| Analysis and Occurrence of Polybrominated Diphenyl Ethers in Washington State Freshwater Fish. Article in Archives of Environmental Contamination and Toxicology 41, 339-344 (2001) | 01-03-033 | September 2001 |
| Aquatic Plants Technical Assistance Program 2000 Activity Report | 01-03-034 | September 2001 |
| Investigation into Recurring Toxicity of the Chinet Company Columbia River Intake | 01-03-030 | September 2001 |
| Benthic Macroinvertebrate Biological Monitoring Protocols for Rivers and Streams: 2001 Revision | 01-03-028 | September 2001 |
| Quality Assurance Project Plan: Willapa River Temperature Total Maximum Daily Load | 01-03-063 | August 2001 |
| Water Quality Assessments of Selected Lakes within Washington State: 1999 | 01-03-009 | July 2001 |
| Chemical Analysis and Toxicity Testing of Spokane River Sediments Collected in October 2000 | 01-03-019 | July 2001 |
| Spokane River/Aquifer Interaction Project Results, May - November 1999 | 01-03-024 | July 2001 |
| Aquatic Plant Sampling Protocols | 01-03-017 | June 2001 |
| Quality Assurance Project Plan: Monitoring Program to Verify 303(d) Metals Listings for Selected Rivers and Creeks | 01-03-071 | June 2001 |
| Snohomish River Tributaries Fecal Coliform Total Maximum Daily Load Submittal Report | 00-10-087 | June 2001 |
| North Creek Watershed: Total Maximum Daily Load Evaluation for Fecal Coliform Bacteria | 01-03-020 | June 2001 |
| Re-Evaluation of Copper Impact from Wilkeson Wastewater Treatment Plant on Wilkeson Creek. | 01-03-021 | May 2001 |
| Final Statewide 303(d) Workload Assessment | 01-03-018 | May 2001 |
| Quality Assurance Project Plan: Reassessment of Toxicity of Lake Roosevelt Sediments | 01-03-073 | May 2001 |
| An Ecological Hazard Assessment for PCBs in the Spokane River | 01-03-015 | April 2001 |
| Quality Assurance Project Plan: Stillaguamish River Basin and Port Susan Total Maximum Daily Load Evaluation Update | 01-03-065 | April 2001 |
| Quality Assurance Project Plan: Moses Lake Phosphorus TMDL Study | 01-03-075 | April 2001 |
| Spokane River PCB and Source Survey, August 2000 | 01-03-016 | April 2001 |
| Skokomish River Basin Fecal Coliform Bacteria Total Maximum Daily Load Study | 01-03-014 | April 2001 |
| Mercury Concentrations in Edible Muscle of Lake Whatcom Fish | 01-03-012 | April 2001 |
| River and Stream Ambient Monitoring Report for Water Year 1999 | 01-03-013 | April 2001 |
| Quality Assurance Project Plan: Padden Creek Pesticide Monitoring Project | 01-03-076 | March 2001 |
| Flow Summary at Three Seasonal Gaging Stations on the Little Klickitat River | 01-03-006 | March 2001 |
| Water Cleanup Plans: Granger Drain Fecal Coliform TMDL | 01-10-004 | February 2001 |
| Quality Assurance Project Plan: South Prairie Creek Total Maximum Daily Load Phase II Evaluation | 01-03-064 | January 2001 |
| USBR Columbia River Pump Exchange Project: Potential Water Quality Impacts on the Lower Yakima River | 01-03-000 | January 2001 |
| The Use of Sediment Cores to Track Persistent Pollutants in Washington State: A Review | 01-03-001 | January 2001 |
| Dungeness River and Matriotti Creek Total Maximum Daily Load Study: Preliminary Data Results for November 1999 through October 2000 | 01-03-002 | January 2001 |
| Prevention Bulletin 01-01: The Super Rubin | 01-08-002 | January 2001 |
| Quality Assurance Project Plan: Colville River Fecal Coliform TMDL Study. | 00-03-082 | December 2000 |
| Quality Assurance Project Plan: Second Screening Investigation of Water and Sediment Quality in Creeks in Washington Mining Districts | 00-03-083 | December 2000 |
| Quality Assurance Project Plan: Toxicity Testing Spokane River Sediments | 00-03-085 | December 2000 |
| Quality Assurance Project Plan: Ambient Groundwater Monitoring in the Dungeness Watershed, Clallam County, Washington | 00-03-086 | December 2000 |
| Quality Assurance Project Plan: Levels and Sources of Arsenic in the Similkameen River | 00-03-087 | December 2000 |
| Quality Assurance Project Plan: Spokane River PCB Source Survey | 00-03-089 | December 2000 |
| Quality Assurance Project Plan: Little Klickitat River Temperature Total Maximum Daily Load | 00-03-090 | December 2000 |
| Quality Assurance Project Plan: Re-evaluation of Copper Impact from Wilkeson WWTP on Wilkeson Creek | 00-03-091 | December 2000 |
| Quality Assurance Project Plan: Metals Monitoring in Quilceda and Allen Creeks, Snohomish County | 00-03-092 | December 2000 |
| Quality Assurance Project Plan: Lower Yakima River Water Quality Model and Evaluation of the USBR Columbia River Pump Exchange Project | 00-03-095 | December 2000 |
| Quality Assurance Project Plan: Characterizing Surface Water/Groundwater Interactions in the Muck Creek Watershed Pierce County, Washington | 00-03-097 | December 2000 |
| Sediment Quality in Puget Sound: Year 2, Central Puget Sound | 00-03-055 | December 2000 |
| Summary of Streamflow Conditions, September 2000: Fisher Creek and Carpenter Creek Basin | 00-03-049 | December 2000 |
| Concentrations of Chemical Contaminants and Bioassay Response to Sediments in Salmon Bay, Seattle: Results of Phase III Sampling | 00-03-053 | December 2000 |
| Water Cleanup Plans: Ecology seeks comments on plan to clean up bacteria in Snohomish River tributaries | 00-10-092 | December 2000 |
| Water Quality Assessments of Selected Lakes within Washington State: 1998 | 00-03-039 | December 2000 |
| Germany Creek Photo Points and Channel Stability Evaluation: 1990 - 2000 | 00-10-038 | November 2000 |
| Moses Lake Proposed Phosphorus Criterion and Preliminary Load Allocations Based on Historical Review | 00-03-036 | October 2000 |
| Data Summary: Lower Nooksack River Basin Bacteria Total Maximum Daily Load | 00-03-038 | September 2000 |
| Results from Analyzing PCBs in 1999 Spokane River Fish and Crayfish Samples | 00-03-040 | September 2000 |
| River and Stream Ambient Monitoring Report for Water Year 1998 | 00-03-035 | September 2000 |
| Saltwater Intrusion in Salmon Bay and Lake Union Sediments | 00-03-032 | August 2000 |
| Flow Summary of Ten Streams and Irrigation Ditches in the Upper Yakima River Basin | 00-03-028 | August 2000 |
| Washington's Environmental Health 2000 | 00-01-003 | August 2000 |
| Quality Assurance Project Plan: South Prairie Creek Total Maximum Daily Load, Phase 1 Assessment | 00-03-081 | August 2000 |
| Responsiveness Summary: Fiscal Year 2000 TMDL Priority List | 00-10-055 | August 2000 |
| Review of Sediment Quality Data for the Similkameen River | 00-03-027 | July 2000 |
| Grays Harbor Fecal Coliform Total Maximum Daily Load Study | 00-03-020 | June 2000 |
| Concentrations of 303(d) Listed Metals in the Upper Yakima River | 00-03-024 | June 2000 |
| Verifying 303(d) DDT/DDE and Dieldrin Listings for the Upper Yakima River | 00-03-023 | June 2000 |
| Reconnaissance Survey on Metals, Semivolatiles, and PCBs in Sediment Deposits Behind Upriver Dam, Spokane River | 00-03-021 | June 2000 |
| Data Appendix: Reconnaissance Survey on Metals, Semivolatiles, and PCBs in Sediment Deposits Behind Upriver Dam, Spokane River | 00-03-026 | June 2000 |
| Lower Skagit River Fecal Coliform Total Maximum Daily Load Submittal Report -- Water Cleanup Plan | 00-10-010 | June 2000 |
| Aquatic Plants Technical Assistance Program 1999 Activity Report | 00-03-018 | May 2000 |
| Teanaway River Basin Temperature Pilot Technical Assessment | 00-03-015 | April 2000 |
| McDonald Creek Stream Channel Assessment | 00-03-011 | March 2000 |
| Water and Sediment Quality in the Vicinity of Cleveland Mine, Hunters Creek Drainage, Stevens County | 00-03-013 | March 2000 |
| Revised -- Upper Chehalis River Basin Dissolved Oxygen Total Maximum Daily Load Submittal Report | 00-10-018 | March 2000 |
| Water Quality Assessments of Selected Lakes within Washington State: 1997 | 00-03-009 | March 2000 |
| Focus Sheet: Water cleanup planning in the Dungeness watershed | 00-10-016 | March 2000 |
| Results from Analyzing Metals in 1999 Spokane River Fish and Crayfish Samples | 00-03-017 | February 2000 |
| Focus Sheet: Teanaway Temperature TMDL -- A plan to improve stream temperatures | 00-10-008 | February 2000 |
| Quality Assurance Project Plan: Dungeness River/Matriotti Creek Fecal Coliform Bacteria Total Maximum Daily Load Study | 00-03-080 | February 2000 |
| Washington State Pesticide Monitoring Program: 1997 Surface Water Sampling Report | 00-03-003 | January 2000 |
| Screening Level Investigation of Water and Sediment Quality of Creeks in Ten Eastern Washington Mining Districts, with Emphasis on Metals | 00-03-004 | January 2000 |
| Willapa River Total Maximum Daily Load Data Summary Report | 00-03-005 | January 2000 |
| Lower Nooksack River Basin Bacteria Total Maximum Daily Load Evaluation | 00-03-006 | January 2000 |
| Review Draft: Assimilative Capacity Study for Nutrient Loading in the Lower White River | 00-03-001 | December 1999 |
| Estimates of Nitrate-N Loading to South Puget Sound by Groundwater Discharge | 99-348 | November 1999 |
| Groundwater Data Compilation for the Okanogan Watershed | 99-342 | October 1999 |
| Estimated Baseflow Characteristics of Selected Washington Rivers and Streams: Water Supply Bulletin No. 60 | 99-327 | October 1999 |
| Estimated Baseflow Characteristics of Selected Washington Rivers and Streams - data and GIS project files | 99-327data | October 1999 |
| Water Quality Data Compilation and TMDL Ranking for the San Juan Islands | 99-339 | October 1999 |
| Briefing Paper for the Okanogan Watershed, WRIAs 48, 49, 50 | 99-340 | October 1999 |
| Lilliwaup Bay Bacterial Source Identification Monitoring | 99-329 | September 1999 |
| PCB Concentrations in Fish from Ward Lake (Thurston County) and the Lower Elwha River | 99-338 | September 1999 |
| Lake Whatcom Watershed Cooperative Drinking Water Protection Project: Results of 1998 Water, Sediment and Fish Tissue Sampling | 99-337 | September 1999 |
| Metals Concentrations in Spokane River Sediments Collected with USGS in 1998 | 99-330 | August 1999 |
| River and Stream Ambient Monitoring Report for Water Year 1997 | 99-332 | August 1999 |
| Moses Lake Dunes Wastewater Treatment Plant, Class II Groundwater Inspection | 99-325 | June 1999 |
| Aquatic Plants Technical Assistance Program 1998 Activity Report | 99-328 | June 1999 |
| TFW Monitoring Program Method Manual for the Stream Temperature Survey | 99-e01 | June 1999 |
| East Fork Lewis River Fish Habitat Analysis Using the Instream Flow Incremental Methodology and Toe-Width Method for WRIA 27 | 99-151 | June 1999 |
| Washougal River Fish Habitat Analysis Using the Instream Flow Incremental Methodology and the Toe-Width Method for WRIAs 25, 26, 28, and 29 | 99-153 | June 1999 |
| Effectiveness of Forest Road and Timber Harvest Best Management Practices with Respect to Sediment-Related Water Quality Impacts | 99-317 | May 1999 |
| Hamilton/Labree Road PCE Site Ground Water Monitoring October 1997 - July 1998 | 99-322 | April 1999 |
| Dredging Simulation Test on Similkameen River Sediments | 99-318 | April 1999 |
| Moses Lake (Dunes) Wastewater Treatment Plant Class II Wastewater Inspection April 27-29, 1998 | 99-320 | April 1999 |
| Pesticides Detected in Urban Streams During Rainstorms and Relations to Retail Sales of Pesticides in King County, Washington | 99-324 | April 1999 |
| The Relationship Between Stream Macroinvertebrates and Salmon in the Quilceda/Allen Drainage | 99-311 | March 1999 |
| Sun Lakes Trophic Status Assessment Study | 99-315 | March 1999 |
| Totten and Eld Inlets Clean Water Projects - 1997 Annual Report | 99-316 | March 1999 |
| McDonald Creek Benthic Macroinvertebrate Study: A Cumulative Impact Assessment after Timber Harvesting in a Small Watershed | 99-304 | February 1999 |
| Lower Budd Inlet Sediment Characterization Study/ Midwest Site Evaluation & Chemical Screening of Selected Point Sources | 99-305 | February 1999 |
| Pacific Northwest Salmon Habitat Indicators - Pilot Project Snohomish River Basin | 99-301 | 1999 |
| Biological Assessment of Small Streams in the Coast Range Ecoregion & the Yakima River Basin | 99-302 | 1999 |
| Chehalis River Watershed Surficial Aquifer Characterization | 98-335 | December 1998 |
| DDT in Osoyoos Lake Fish | 98-337 | December 1998 |
| Washington State Marine Water Quality in 1996 and 1997 | 98-338 | December 1998 |
| Stream Biological Assessments (Benthic Macroinvertebrates) for Watershed Analysis/Mid-Sol Duc Water | 98-334 | November 1998 |
| Basic American Foods Class II Groundwater Inspection | 98-330 | October 1998 |
| Rocky Ford Creek TMDL Study | 98-326 | September 1998 |
| Marine Sediment Monitoring Program II - Distribution and Structure of Benthic Communities in Puget Sound - 1989-1993 | 98-328 | September 1998 |
| Cadmium, Lead, and Zinc in the Spokane River Recommendations for TMDL and Waste Load Allocations | 98-329 | September 1998 |
| Mill Creek and Cameron Creek Benthic Macroinvertebrate Survey | 98-324 | August 1998 |
| Diquat Concentrations in the Steilacoom Lake Outlet (Chambers Creek) | 98-322 | July 1998 |
| Total Maximum Daily Loads (TMDL) Workload Model -- Program Definition and Cost | 98-026 | July 1998 |
| Lake Chelan TMDL- A Plan for Keeping it Clean | 98-2017-WQ | July 1998 |
| Chehalis Best Management Practices Evaluation Project, 1997-98 Annual Report | 98-316 | June 1998 |
| River and Stream Ambient Monitoring Report for Wateryear 1996 | 98-317 | June 1998 |
| Rainbow Trout Abnormalities in Douglas Creek: Results from Chemical Analyses. Memo to Terry Jackson, WDFW, May 27, 1998. | 98-e02 | May 1998 |
| Dissolved Oxygen in Lake Whatcom/Trend in the Depletion of Hypolimnetic Oxygen in Basin I 83-97 | 98-313 | May 1998 |
| Assessment of Metals Contamination in Sediments of Gibbons Creek Remnant Channel | 98-315 | May 1998 |
| Aquatic Plants Technical Assistance Program 1997 Activity Report | 98-311 | April 1998 |
| Upper White River Spring Chinook Habitat Assessment Study | 98-304 | March 1998 |
| Washington State Pesticide Monitoring Program: 1996 Surface Water Sampling Report | 98-305 | March 1998 |
| Chehalis Best Management Practices Evaluation Project, 1996-97 Beaver/Allen Creek WQ Data Report | 98-309 | March 1998 |
| Washington State Pesticide Monitoring Program: 1995 Surface Water Sampling Report | 98-300 | 1998 |
| Garrison Creek Use-Based Receiving Water Study | 98-302 | 1998 |
| Chehalis Best Management Practices Evaluation Project, 1996/97 Water Quality Data Report for Bunker Creek | 98-333 | 1998 |
| Evaluation of R-Emap Techniques for the Measurement of Ecological Integrity of Streams in Washington State's Coast Range Ecoregion. Article in Environmental Monitoring and Assessment 51:345-355, 1998. | 98-e04 | 1998 |
| Wetlands Function Assessment Project Update No. 4 | 98-109 | 1998 |
| Lake Sawyer Water Cleanup Plan (TMDL) for Phosphorus | 98-2022-WQ | 1998 |
| South Fork Palouse Water Cleanup Plan (TMDL) for ammonia | 98-2023-WQ | 1998 |
| Focus Sheet: Cleaning up the Willapa River | 98-2031-WQ | 1998 |
| Watershed Assessment Water Resource Inventory Area 28, Salmon-Washougal | 98-002 | 1998 |
| Survey of Metals Concentrations in the Similkameen River. Memo to Jim Milton, Central Regional Office, December 31, 1997. | 97-e10 | December 1997 |
| DDT Sources to the Okanogan River and Lake Osoyoos. Memo to Jim Milton, Central Regional Office. | 97-e09 | December 1997 |
| Polychlorinated Dibenzo-P-Dioxins and Dibenzofurans in Upper Columbia River Suspended Particulate Matter | 97-342 | December 1997 |
| Watershed Briefing Paper for the Cedar/Green Water Quality Management Area | 97-335 | October 1997 |
| Watershed Briefing Paper for the Eastern Olympic Watershed Water Quality Management Area | 97-336 | October 1997 |
| Using Invertebrates to Assess the Quality of Washington Streams and to Describe Biological Expectations | 97-332 | September 1997 |
| Water Quality Assessment of Tributaries to the Snohomish River and Nonpoint Source Pollution TMDL | 97-334 | September 1997 |
| Metal Concentrations in the Spokane River During Spring 1997. Memo to J. Manning and C. Nuechterlein, August 26, 1997. | 97-e02 | August 1997 |
| Water Quality in the Wapato Basin of Lake Chelan, Summer 1996 | 97-323 | August 1997 |
| Washington Lakes: A Department of Ecology Update | 97-324 | August 1997 |
| City of Walla Walla Wastewater Treatment Plant Class II Inspection | 97-326 | August 1997 |
| Polychlorinated Dibenzo-P-Dioxins and Dibenzofurans in Snake River Suspended Particulate Matter | 97-328 | August 1997 |
| A Suspended Sediment and DDT Total Maximum Daily Load Evaluation Report for the Yakima River | 97-321 | July 1997 |
| Creation and Analysis of Freshwater Sediment Quality Values in Washington State | 97-323a | July 1997 |
| Lower Skagit River Total Maximum Daily Load Water Quality Study | 97-326a | July 1997 |
| Effects of Holden Mine on the Water, Sediments, and Benthic Invertebrates at Railroad Creek (Lake Chelan) | 97-330 | July 1997 |
| Stillaguamish River Fecal Coliform, Dissolved Oxygen, pH, Mercury, and Temperature Total Maximum Daily Load: Water Quality Implimentation Plan | 07-10-033 | June 1997 |
| Snohomish River Estuary Dry Season TMDL Study Phase II | 97-325 | June 1997 |
| Aquatic Plants Technical Assistance Program 1996 Activity Report | 97-319 | May 1997 |
| Clark County Salmon Creek Wastewater Treatment Plant Class II Inspection | 97-320 | May 1997 |
| Puyallup Basin Treatment Plant Metals Survey | 97-303 | April 1997 |
| Washington State Marine Water Quality in 1994 and 1995 | 97-316 | April 1997 |
| Protocol for Determining the Mean Epilimnetic Total Phosphorus Concentration in the Wapato Basin of Lake Chelan | 97-317 | April 1997 |
| Survey of NPDES Compliance Monitoring in Nine States | 97-309 | March 1997 |
| Waste Load Allocations for Biochemical Oxygen Demand for Inland Empire Paper Company | 97-313 | March 1997 |
| Pesticides Detected in the Walla Walla Drainage, April and June 1996. Memo to C. Nuechterlein, D. Knight, and J. Jacobson, Eastern Regional Office. | 97-e03 | February 1997 |
| Chehalis Best Management Practices Evaluation Project, 1996-97 Annual Report | 97-305 | February 1997 |
| Chehalis Best Management Practices Evaluation Project, 1995-96 Water Quality Data Report for Bunker/Deep Creek Project Area | 97-306 | February 1997 |
| Water Quality Assessments of Selected Lakes within Washington State - 1994 | 97-307 | February 1997 |
| Colville River Water Quality: Pollutant Loading Capacity and Recommendations for Total Daily Maximum Loads | 96-349 | 1997 |
| Beaver/Allen Creek Water Quality Data Report 1995-1996 | 97-300 | 1997 |
| Persistence and Drift of the Aquatic Herbicide Diquat Following Application at Steilacoom and Gravelly Lakes | 97-301 | 1997 |
| Watershed Briefing Paper for the Spokane Water Quality Management Area | 97-337 | 1997 |
| Pesticides in Selected Small Streams in the Puget Sound Basin, 1987-1995 | 97-e00 | 1997 |
| Results from Additional Pesticide Sampling in the Walla Walla Drainage, April and May 1997. Memo to C. Nuechterlein, D. Knight, and J. Jacobsen, August 5, 1997. | 97-e06 | 1997 |
| Pollutant Loading Capacity for the Black River, Chehalis River System, Washington | 97-e08 | 1997 |
| Draft Models to Assess Riverine & Depressional Wetlands in the Lowlands of Western Washington | 97-093 | 1997 |
| Potential Effects of Sea Level Rise on WA Wetlands | 97-098 | 1997 |
| National Estuary Program for the Lower Columbia River | 97-2004-WQ&FA | 1997 |
| Identification of Holden Mine Tailing Pile Particulate Matter in Railroad Creek | 96-e03 | December 1996 |
| Washington State Pesticide Monitoring Program: 1994 Fish Tissue and Sediment Sampling Report | 96-352 | December 1996 |
| Chehalis Best Management Practices Evaluation Project-1995-96 Water Quality Data Report for the Chehalis River Project Area | 96-353 | December 1996 |
| River and Stream Ambient Monitoring Report for Wateryear 1995 | 96-355 | December 1996 |
| Ambient Database Management System Documentation, Version 1.5 | 96-356 | December 1996 |
| Total Maximum Daily Load Development Guidelines | 97-315 | November 1996 |
| Lower Skagit Total Maximum Daily Load Data Summary | 96-345 | November 1996 |
| Ground Water Quality Characterization and Nitrate Investigation of the Glade Creek Watershed | 96-348 | November 1996 |
| Relationship Between Ground Water and Surface Water in the Quilceda Creek Watershed | 96-333 | October 1996 |
| Watershed Briefing Paper for the Kitsap Basin Watershed | 96-335 | September 1996 |
| Watershed Briefing Paper for the Upper and Lower Yakima Watersheds | 96-336 | September 1996 |
| Watershed Briefing Paper for the Mid-Columbia Basin Watershed | 96-337 | September 1996 |
| Watershed Briefing Paper for the Lower Columbia Basin Watershed | 96-338 | September 1996 |
| Applying Metals Criteria to Water Quality-Based Discharge Limits | 96-339 | September 1996 |
| Chehalis Best Management Practices Evaluation Project--1995 Temperature Monitoring Data | 96-340 | September 1996 |
| Totten and Eld Inlets Clean Water Projects: Annual Report | 96-342 | September 1996 |
| Results of Monitoring Metals in Chambers/Clover Creek Drainage. Memo to Bob Duffy, SWRO. | 96-e08 | July 1996 |
| An Analysis of the Effect of Discharged Wastewater on the Stillaguamish River at Stanwood | 96-330 | July 1996 |
| Spokane River PCB Source Monitoring Follow-up Study November and December 1995 | 96-331 | July 1996 |
| Aquatic Plants Technical Assistance Program 1995 Activity Report | 96-332 | July 1996 |
| Pendleton Woolen Mill Land Application Site Ground Water Monitoring Evaluation | 96-321 | June 1996 |
| Taxonomic Laboratory Protocol for Stream Macroinvertebrates Collected by the Washington State Department of Ecology | 96-323 | June 1996 |
| Chehalis Best Management Practices Evaluation Project, Report on the Black River Project Area | 96-325 | June 1996 |
| Aquatic Plants Technical Assistance Implementation Plan - 1996 Field Season | 96-328 | June 1996 |
| Spokane Basin Data Analysis Report - Little Spokane Sub-Basin | 96-329 | June 1996 |
| Nooksack Watershed Surficial Aquifer Characterization | 96-311 | May 1996 |
| Olympus Terrace Sewer District Wastewater Treatment Plant Class II Inspection Oct 16-19-1995 | 96-322 | May 1996 |
| Pesticide Residues in the Skagit Delta Surficial Aquifer - Washington State Pesticide Monitoring Program | 96-302 | April 1996 |
| Gibbons Creek Fecal Coliform Total Maximum Daily Load Assessment | 96-316 | April 1996 |
| Washington Water Power Company Kettle Falls Generator Station Class II Inspection | 96-320 | April 1996 |
| Results of Pesticide/PCB Monitoring in Chambers/Clover Creek Drainage. Memorandum to Bob Duffy, SWRO, March 15, 1996. | 96-e07 | March 1996 |
| Washington State Pesticide Monitoring Program: Pesticides and PCBs in Marine Mussels, 1995 | 96-301 | March 1996 |
| Chehalis Best Management Practices Evaluation Project, 1995/96 Annual Report | 96-306 | March 1996 |
| Beaver/Allen Creek Water Quality Report, 1994-1995 | 96-310 | March 1996 |
| Restover Truck Stop Ground Water Monitoring, August and October 1995 | 96-312 | March 1996 |
| Washington State Pesticide Monitoring Program: 1994 Surface Water Sampling Report | 96-305 | February 1996 |
| Evaluation of High Temperature in Rock Creek (Klickitat County) | 96-308 | February 1996 |
| Lake Water Quality Assessment Program, 1993 | 96-304 | 1996 |
| Lacamas Creek Watershed Total Maximum Daily Load Evaluation | 96-307 | 1996 |
| Particulate Matter and Polychlorinated Biphenyls in Spokane River, Washington. Article in Microscope, Vol 44:1 1-6, 1996. | 96-e05 | 1996 |
| Results of Sampling for Copper in Drainages to Sylvia Lake. Memo to Loree Randall, SWRO, January 4, 1996. | 96-e14 | 1996 |
| Conducting Wetland Function Assessment Project | 96-1805-S&WR | 1996 |
| Washington State Wetland Function Assessment Project | 96-br-103 | 1996 |
| Progress Report on Survey of Metals Concentrations in the Similkameen River. Memo to Jim Milton. | 95-e07 | November 1995 |
| Seawater Challenge of Chinook Salmon Smolts Exposed to the Aquatic Herbicide Hydrothol 191 | 95-358 | November 1995 |
| Estimates of Ground-Water Contaminant Loading to the Colville River in the Vicinity of L-Bar Products | 95-344 | October 1995 |
| City of Chewelah Wastewater Treatment Plant Class II Inspection - October 3-6, 1994 | 95-354 | October 1995 |
| Salmon Creek Nonpoint Source Pollution TMDL | 95-355 | October 1995 |
| Washington State Pesticide Monitoring Program: 1993 Fish Tissue Sampling Report | 95-356 | October 1995 |
| Pesticide Residues in the Walla Walla Surficial Aquifer - Pesticides in Ground Water Report #7 | 95-327 | September 1995 |
| South Fork Palouse River Total Maximum Daily Load for Ammonia | 95-329 | September 1995 |
| Watershed Briefing Paper for the Upper and Lower Snake River Water Quality Management Area | 95-346 | September 1995 |
| Watershed Briefing Paper for the San Juan Islands Water Resource Inventory Area | 95-347 | September 1995 |
| Watershed Briefing Paper for the Wenatchee Basin Water Resource Inventory Area | 95-348 | September 1995 |
| River and Stream Ambient Monitoring Report for Wateryear 1994 | 95-349 | September 1995 |
| Watershed Briefing Paper for the Western Olympic Water Quality Management Area | 95-351 | September 1995 |
| Metals Concentrations in Rivers and Streams Dropped from the 1994 Section 303(d) List | 95-352 | September 1995 |
| Land Use and Water Quality Mission Creek Little Mission Creek Sub-Basins - Lower Hood Canal | 95-072 | September 1995 |
| Loon Lake Sewer District 4 Treatment Plant Class II Inspection | 95-341 | August 1995 |
| 1995 Ambient Biological Assessment Monitoring Implementation Plan | 95-343 | August 1995 |
| Ambient Monitoring Instream Biological Assessment: Progress Report of 1993 Pilot Survey | 95-333 | July 1995 |
| Snohomish River Estuary Dry Season TMDL Study Phase I - Water Quality Model Calibration | 95-338 | July 1995 |
| Description of Spatial Analyses in Support of Columbia Gorge TMDL Projects, Memo to David Giglio, Karol Erickson, and Bob Cusimano. | 95-e18 | June 1995 |
| GIS Analysis, Yakima River Suspended Sediment TMDL Evaluation. Memo to Joe Joy. | 95-e17 | June 1995 |
| Chehalis Best Management Practices Evaluation Project, 1994-1995 Annual Report | 95-315 | June 1995 |
| Water Quality Impacts from Dairies in Washington State: A Literature Review | 95-326 | June 1995 |
| Fishtrap Creek Total Maximum Daily Load Study | 95-328 | June 1995 |
| Joe Creek Receiving Water Study | 95-330 | June 1995 |
| Aquatic Plants Technical Assistance 1994 Activity Report | 95-331 | June 1995 |
| Loon Lake Class II Inspection, Groundwater Permit No. ST 8019 | 95-319 | May 1995 |
| Watershed Briefing Paper for the Nooksack Water Resource Inventory Area | 95-321 | May 1995 |
| Results of Monitoring Copper Sulfate Application to Sylvia Lake | 95-322 | May 1995 |
| Summary of Guidelines for Contaminated Freshwater Sediments | 95-308 | March 1995 |
| Tucannon River Fish Habitat Analysis Using the Instream Flow Incremental Methodology | 95-167 | March 1995 |
| Bioassays of Spokane River Sediments (Final). | 95-e19 | February 1995 |
| Guidance for Conducting Water Quality Assessments & Watershed Characterizations under the Nonpoint Rule (Chapter 400-12 WAC) | 95-307 | February 1995 |
| Department of Ecology 1993-94 Investigation of PCBs in the Spokane River | 95-310 | February 1995 |
| 1994 Statewide Water Quality Assessment Lakes Chapter - Companion Document to WA State 305(b) | 95-311 | February 1995 |
| Duwamish - Green Watershed Initial Assessment | 95-001 | 1995 |
| Entiat Watershed Initial Assessment | 95-002 | 1995 |
| Upper Chehalis Watershed Initial Assessment | 95-003 | 1995 |
| Tucannon River Watershed Initial Assessment | 95-004 | 1995 |
| Snohomish Watershed Initial Assessment | 95-006 | 1995 |
| Cedar-Sammamish Watershed Initial Assessment | 95-007 | 1995 |
| Puyallup - White Watershed Initial Assessment | 95-008 | 1995 |
| Chambers - Clover Creek Watershed Initial Assessment | 95-009 | 1995 |
| Deschutes Watershed Initial Assessment | 95-010 | 1995 |
| Walla Walla Watershed Initial Assessment | 95-011 | 1995 |
| Wenatchee River Watershed Initial Assessment | 95-012 | 1995 |
| Chelan Watershed Initial Assessment | 95-013 | 1995 |
| Okanogan Watershed Initial Assessment | 95-014 | 1995 |
| Little Spokane Watershed Initial Assessment | 95-015 | 1995 |
| Kettle Watershed Initial Assessment | 95-016 | 1995 |
| Pend Oreille Watershed Initial Assessment | 95-017 | 1995 |
| Upper Chehalis Watershed Assessment Summary | 95-150 | 1995 |
| Entiat River Watershed Assessment Summary | 95-151 | 1995 |
| Tucannon River Watershed Assessment Summary | 95-152 | 1995 |
| Duwamish-Green Watershed Assessment Summary | 95-153 | 1995 |
| Snohomish River Watershed Assessment Summary | 95-154 | 1995 |
| Cedar-Sammamish Watershed Assessment Summary | 95-155 | 1995 |
| Puyallup-White Watershed Assessment Summary | 95-156 | 1995 |
| Chambers-Clover Watershed Assessment Summary | 95-157 | 1995 |
| Deschutes River Watershed Assessment Summary | 95-158 | 1995 |
| Walla Walla Watershed Assessment Summary | 95-159 | 1995 |
| Wenatchee River Watershed Assessment Summary | 95-160 | 1995 |
| Chelan Watershed Assessment Summary | 95-161 | 1995 |
| Okanogan River Watershed Assessment Summary | 95-162 | 1995 |
| Little Spokane River Watershed Assessment Summary | 95-163 | 1995 |
| Kettle River Watershed Assessment Summary | 95-164 | 1995 |
| Pend Oreille River Watershed Assessment Summary | 95-165 | 1995 |
| Washington State Pesticide Monitoring Program: Reconnaissance Sampling of Fish Tissue and Sediments (1992) | 94-194 | December 1994 |
| Contaminant Trends in Lake Roosevelt | 94-185 | November 1994 |
| Pendleton Woolen Mills Class II Inspection, April 1993 | 94-162 | October 1994 |
| Town of Naches Sewage Treatment Plant Class II Inspection, July 1993 | 94-163 | October 1994 |
| Washington State Pesticide Monitoring Program: 1993 Surface Water Sampling Report | 94-164 | October 1994 |
| Water Quality Assessment in the Burley Minter Creek Watersheds Kitsap & Pierce Counties, WA | 94-172 | October 1994 |
| Priority Pollutants in Sediment from Ebey Slough, Snohomish River Estuary | 94-173 | October 1994 |
| Zinc, Copper, and Cadmium Concentrations in Four Washington Rivers | 94-58 | October 1994 |
| Upper Chehalis River Basin: Evaluation of Total Maximum Daily Loads Summary Report | 94-144 | September 1994 |
| Survey of Chemical Contaminants in Ten Washington Lakes | 94-154 | September 1994 |
| Dissolved Oxygen in the Spokane River Downstream from Inland Empire Paper Company with Recommendations for Waste Load Allocations for Biochemical Oxygen Demand | 94-155 | September 1994 |
| City of Medical Lake Sewage Treatment Facility Class II Inspection | 94-156 | September 1994 |
| River and Stream Ambient Monitoring Report for Wateryear 1993 | 94-158 | September 1994 |
| Results of 1993 Screening Survey on PCBs and Metals in the Spokane River | 94-e24 | July 1994 |
| 1994 Spokane River Survey - Fish Tissue and Sediment Sampling Plan. | 94-e05 | July 1994 |
| Spokane River Basin Class II Inspection at Kaiser Aluminum Corp at Trentwood Wastewater Treatment Plant | 94-122 | July 1994 |
| 1992 Budd Inlet Seasonal Monitoring Report | 94-132 | July 1994 |
| Black River Wet Season Nonpoint Source Total Maximum Daily Load Study | 94-104 | June 1994 |
| Black River Dissolved Oxygen and Phosphorus Total Maximum Daily Load Study | 94-106 | June 1994 |
| Instream Biological Assessment Monitoring Protocols: Benthic Macroinvertebrates | 94-113 | June 1994 |
| Whatcom County Hydraulic Continuity Investigation, Part II | 94-01 | May 1994 |
| Planar PCBs in Spokane River Fish. Memo to Carl Nuechterlein, ERO. | 94-e23 | May 1994 |
| Effectiveness of Forest Road and Timber Harvest Best Management Practices with Respect to Sediment-Related Water Quality Impacts, Interim Report No. 2 | 94-67 | May 1994 |
| Freshwater Ambient Monitoring Report for Wateryear 1992 | 94-70 | May 1994 |
| Snoqualmie River Total Maximum Daily Load Study | 94-71 | May 1994 |
| Drainage Basin Tracing Study: Phase II, Chemicals Found in Storm Drains, Whatcom Creek and Squalicum Harbor in Bellingham, Washington | 94-90 | May 1994 |
| Lake Water Quality Assessment Program, 1991-1992 | 94-46 | April 1994 |
| Woodland Creek Water Quality Assessment Final Report, Ecology Building Project | 94-62 | April 1994 |
| City of Tekoa. Wastewater Treatment Plan Class II Inspection, August 31 - September 1, 1993 | 94-33 | March 1994 |
| A Review of the Data from the Entiat River Basin Collected for the Ambient Monitoring Database | 94-e15 | March 1994 |
| Technical Guidance for Assessing the Quality of Aquatic Environments, A Handbook prepared for the Water Quality Financial Assistance Program (revised 1994) | 91-78 | February 1994 |
| Water-Level Monitoring, Bellingham Frozen Foods, September 14 through December 9, 1993, Bellingham, Washington | 94-e14 | February 1994 |
| Upper Chehalis River Dry Season Total Maximum Daily Load Study | 94-126 | 1994 |
| Cadmium, Copper, Mercury, Lead, and Zinc in the Spokane River: Comparisons with Water Quality Standards and Recommendations for Total Maximum Daily Loads | 94-99 | 1994 |
| Woodland Creek Water Quality Assessment Final Report Ecology Building Project | 94-062 | 1994 |
| Periodic Dam Safety Inspection Report Dawn Lake | 94-007 | 1994 |
| Periodic Dam Safety Inspec. Report Power Lake Dam | 94-011 | 1994 |
| Dam Safety Inspection - Lacamas/Round Lake Dams | 94-060 | 1994 |
| Periodic Dam Safety Inspection Report-Rose Lake Dam | 94-142 | 1994 |
| Yakima Regional Wastewater Treatment Plant Class II Inspection, October 5-7,1992. | 93-e28 | November 1993 |
| Longview Fibre Company Class II Inspection November 2-3, 1993 | 94-160 | November 1993 |
| Effectiveness of Best Management Practices for Aerial Application of Forest Pesticides | 93-81 | October 1993 |
| Willapa Bay Watershed Bacterial Evaluation and Preliminary Control Strategy | 93-64 | September 1993 |
| Puyallup River Total Maximum Daily Load for Biochemical Oxygen Demand, Ammonia, and Residual Chlorine (This is a 1993 report; 96-326a is a summary of this report with the same title.) | 96-326 | June 1993 |
| South Fork Palouse River Total Maximum Daily Load of Ammonia | 93-e48 | June 1993 |
| Effectiveness of Forest Road and Timber Harvest Best Management Practices with Respect to Sediment-Related Water Quality Impacts, Interim Report No. 1 | 94-27 | June 1993 |
| Lower Columbia River Bi-State Water Quality Program: Bacteria Study, November - December 1992 | 93-28 | April 1993 |
| Washington State Pesticide Monitoring Program: Reconnaissance Sampling of Surface Waters (1992) | 93-e09 | March 1993 |
| Lake Water Quality Assessment Project, 1990 | 92-124 | 1993 |
| Clark Fork - Pend Oreille Basin Water Quality Study, A Summary of Findings and a Management Plan | 93-e54 | 1993 |
| Periodic Dam Safety Inspection Report: Trout Lake Dam | 92-084 | 1993 |
| Water Quality Screening in the Dakota, Bertrand, and Fishtrap Creek Watersheds, Whatcom County, Washington | 92-e14 | December 1992 |
| Annual Report for the Black River Nonpoint TMDL Study. Memo to Bill Backous, Diane Harvester, Dick Wallace, and Kahle Jennings, October 13, 1992. | 92-e11 | October 1992 |
| Survey of Contaminants in Sediments in Lake Union and Adjoining Waters | 92-e10 | August 1992 |
| Methow River Basin Fish Habitat Analysis Using the Instream Flow Incremental Methodology | 92-082 | August 1992 |
| An Investigation of Recurrent Fish Kills at Maritime Heritage Fish Hatchery in Bellingham: Fall 1990 Study | 92-e53 | July 1992 |
| Effectiveness of Washington's Forest Practice Riparian Management Zone Regulations for Protection of Stream Temperature | 92-64 | July 1992 |
| Copper in Sediments from Lake Steilacoom Lake, Pierce County, WA | 92-e00 | June 1992 |
| Results of Sediment Sampling in the J.H. Baxter Cove, Lake Washington - June 1991. | 92-e50 | May 1992 |
| Spatial and Temporal Trends in Contaminant Levels Associated with Settling Particulate Matter in Sitcum Waterway (Commencement Bay) July 1990 to June 1991 | 92-e51 | May 1992 |
| Timber/Fish/Wildlife Ecoregion Bioassessment Pilot Project | 92-63 | 1992 |
| Focus Sheet: Controlling Lake Plants with Chemicals | F-WQ-92-116 | 1992 |
| Investigation of WQ Problems in the Black River Between the Black River Canoe Club & Mouth of Mima | 91-e41 | December 1991 |
| Lake Water Quality Assessment Project, 1989 | 91-60 | November 1991 |
| Kaiser Aluminum and Chemical Corporation-Trentwood, Class II Inspection. Memo to Roger Ray and Patrick Hallinan, November 8, 1991. | 91-e13 | November 1991 |
| Waste Antifreeze Characterization Study | 91-e46 | August 1991 |
| Spatial Trends in TCDD/TCDF Concentrations in Sediment and Bottom Fish Collected in Lake Roosevelt (Columbia River) | 91-29 | June 1991 |
| Lake Chelan Total Maximum Daily Load for Total Phosphorus | 91-e50 | April 1991 |
| Polychlorinated Dioxins and -Furans in Lake Roosevelt (Columbia River) Sportfish, 1990 | 91-4 | March 1991 |
| Lake Union Fish Histopathology Study | 91-e33 | March 1991 |
| Portage Creek: Nonpoint Source Pollution Effects on Quality of the Water Resource | 95-300 | 1991 |
| Timber-Fish-Wildlife - Evaluation of Prediction Models and Characterization of Stream Temperature Regimes in Washington | 90-e74 | December 1990 |
| Data Appendix: Timber-Fish-Wildlife - Evaluation of Prediction Models and Characterization of Stream Temperature Regimes in Washington | 90-e75 | October 1990 |
| Little Klickitat River Basin Fish Habitat Analysis Using the Instream Flow Incremental Methodology | 90-030 | August 1990 |
| Quality of Grays Harbor Pulp Mill Effluents, March-June 1989 | 90-e43 | June 1990 |
| 1989 Lakes and Reservoir Water Quality Assessment Program: Survey of Chemical Contaminants in Ten Washington Lakes | 90-e35 | May 1990 |
| Selah Wastewater Treatment Plant Receiving Water Survey, October 1988. | 90-e51 | 1990 |
| The Black River Fish Kill Report | 89-54 | October 1989 |
| Green River Fish Habitat Analysis Using the Instream Flow Incremental Methodology | 89-035 | July 1989 |
| Screening Survey for Chemical Contaminants and Toxicity in Sediments at Five Lower Columbia River Ports, September 22-24, 1987. | 88-e15 | December 1988 |
| Washington State Pesticide Monitoring Program: 1995 Fish Tissue Sampling Report | 98-312 | May 1988 |
| Basic American Foods Class II Wastewater Inspection April 27-29, 1998 | 99-319 | April 1988 |
| Yakima River Fish Histopathology Study | 87-e38 | March 1987 |
| Occurrence and Significance of DDT Compounds and Other Contaminants in Fish, Water, and Sediment from the Yakima River Basin | 86-5 | July 1986 |
| Gibbons Creek Remnant Channel Receiving Water Study | 96-313 | April 1986 |
| Basic Water Monitoring Program: Fish Tissue and Sediment Sampling for 1984. | 85-7 | November 1985 |
| Dissolved Oxygen Simulations for Mill Creek Using 1983-84 Walla Walla STP Effluent Data | 85-e33 | August 1985 |
| Water Quality Improvement in the Spokane River as a Result of Advanced Wastewater Treatment | 84-11 | December 1984 |
| Liberty Lake Sewer District Sewage Treatment Plant Class II Inspection, August 30-31, 1983 | 84-e47 | March 1984 |
| The Cause(s) of Continued Hypolimnetic Anoxia in Long Lake, Washington, Following Advances Wastewater Treatment by the City of Spokane. | 82-31 | August 1982 |
| Spokane River Data | 82-e35 | May 1982 |
| Spokane River Wasteload Allocation Study, Supplemental Report for Phosphorus Allocation | 81-15 | September 1981 |
| Assessment of Water Quality Conditions in Skamokawa Creek, Washington | 81-7 | February 1981 |
| The Impact of Renton Wastewater Treatment Plant on Water Quality of the Lower Green/Duwamish River | 81-2 | 1981 |
| Stillaguamish River Basin Instream Resources Protection Program | 81-IRPP-5 | 1981 |
| Briefing Memo, Intensive Survey: Renton Wastewater Treatment Plant and Green/Duwamish River | 80-e25 | July 1980 |
| An Assessment of the Trophic Status of Deer, Loon, and Diamond Lakes | 80-9 | July 1980 |
| Deschutes River Basin Suspended Sediment Transport Study | 79-e42 | July 1979 |
| Cedar-Sammamish Basin Instream Resources Protection Program | 79-IRRP-8 | January 1979 |
| Snohomish River Basin Instream Resources Protection Program | 79-IRPP-7 | 1979 |
| Weaver Creek: Battle Ground Sewage Treatment Plant Impact Study | 78-e39 | December 1978 |
| 1996 Results on PCBs in Upper Spokane River Fish. Memo to C. Nuechterlein and D. Knight, Eastern Regional Office. | 97-e04 | July 1977 |
| Wapato Lake - Pesticide Levels, Sediment Bioassays, and Abundance of Benthic Invertebrates. Memo to M. Linden and B. Barwin, Central Regional Office. | 97-e05 | July 1977 |
| Mill Creek near Battle Ground - Clark County | 73-e84 | May 1973 |
| The Geohydrology of the Sidney-Molson Lakes Area, Okanogan County, Washington | oftr 72-01 | May 1972 |
| Boise Creek Survey. Memo to S.A. Messman. | 71-e04 | December 1971 |
| Newaukum Creek Surveys. Memo to Stew Messman. | 71-e00 | December 1971 |
| Willapa River Survey. Memo to Nelson Graham. | 71-e03 | November 1971 |
| Barn Lot Waste Discharge to a Tributary of Omak Lake. Memo to Tom Haggerty- Warren Myers. | 71-e14 | April 1971 |
| Ridgefield Wildlife Refuge Wetlands Pumping Project. Memo to Nelson Graham. | 71-e15 | March 1971 |
