| Title (link to summary) |
Number |
Date (released or updated) |
| Puget Sound Dissolved Oxygen Model Nutrient Load Summary for 1999-2008 | 11-03-057 | November 2011 |
| Quality Assurance Project Plan: Cherry and Ames Creeks (Snoqualmie River Tributaries) Dissolved Oxygen Study | 11-03-115 | November 2011 |
| Focus on Water Availability: Snohomish River Watershed, WRIA 7 | 11-11-012 | August 2011 |
| Focus on Snoqualmie Watershed: Watershed Streams Too Warm | 11-10-042 | May 2011 |
| PBT Trend Monitoring: Measuring Lead in Suspended Particulate Matter from Washington State Rivers and Lakes, 2010 Results | 11-03-026 | May 2011 |
| 2010 Report to the Legislature: Status of High and Significant Hazard Dams in Washington with Safety Deficiencies | 11-11-005 | March 2011 |
| Control of Toxic Chemicals in Puget Sound: Characterization of Toxic Chemicals in Puget Sound and Major Tributaries, 2009-10 | 11-03-008 | January 2011 |
| Mercury Levels in Gold Mining Reaches on Seven Washington Rivers and Creeks | 11-03-003 | January 2011 |
| Perfluorinated Compounds in Washington Rivers and Lakes | 10-03-034 | August 2010 |
| PBT Trend Monitoring: Measuring Lead in Suspended Particulate Matter from Washington State Rivers and Lakes, 2009 Results | 10-03-041 | June 2010 |
| Washington State Toxics Monitoring Program: Trend Monitoring for Chlorinated Pesticides, PCBs, PAHs, and PBDEs in Washington Rivers and Lakes, 2008 | 10-03-027 | April 2010 |
| An Assessment of the PCB and Dioxin Background in Washington Freshwater Fish, with Recommendations for Prioritizing 303(d) Listings | 10-03-007 | January 2010 |
| 2009 Report to the Legislature: Watershed Plan Implementation Statutory Changes, Progress Report on Setting Instream Flows, and Reclaimed Water in Adopted Plans | 09-11-033 | January 2010 |
| Washington State Toxics Monitoring Program: Freshwater Fish Tissue Component, 2008 | 09-03-055 | November 2009 |
| Snohomish River Basin: An Ecosystem in Transition | 09-10-085 | October 2009 |
| Door-to-door Outreach: Helping Streams One Home at a Time | 09-10-079 | October 2009 |
| Solar-powered Livestock Watering: Keeping Cattle, Fish, and People Healthy | 09-10-078 | October 2009 |
| Measuring Mercury Trends in Freshwater Fish in Washington State, 2008 Sampling Results | 09-03-045 | September 2009 |
| Quality Assurance Project Plan: The Puget Sound Assessment and Monitoring Program Sediment Monitoring Component. | 09-03-121 | August 2009 |
| Quality Assurance Project Plan: Control of Toxic Chemicals in Puget Sound Phase 3: Characterization of Toxic Chemicals in Puget Sound and Selected Major Tributaries | 09-03-118 | August 2009 |
| Streamflow Summary for Gaging Stations on the Snoqualmie River and Selected Tributaries, 2006 | 09-03-040 | August 2009 |
| Quality Assurance Project Plan: Potential Impacts from Mercury Used in Historic Gold Mining on Six Rivers and Streams | 09-03-123 | August 2009 |
| Setting Instream Flows in Washington State | 98-1813-WR | July 2009 |
| Focus Puget Sound - Port Gardner and the Snohomish Estuary | 09-09-065 | May 2009 |
| PBT Trend Monitoring: Lead in Suspended Particulate Matter, 2008 | 09-03-020 | May 2009 |
| Washington State Toxics Monitoring Program: Trend Monitoring for Chlorinated Pesticides, PCBs, and PBDEs in Washington Rivers and Lakes, 2007 | 09-03-013 | March 2009 |
| Snohomish County – Evergreen State Fairgrounds LID Improvements Project | 09-10-023 | March 2009 |
| Washington State Toxics Monitoring Program: Freshwater Fish Tissue Component, 2007 | 09-03-003 | January 2009 |
| 2008 Report to the Legislature - Progress on Watershed Planning and Setting Instream Flows | 08-06-027 | December 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 |
| Condition of Coastal Waters of Washington State, 2000-2003: A Statistical Summary | 07-03-051 | December 2007 |
| Washington State Toxics Monitoring Program: Contaminants in Fish Tissue from Freshwater Environments in 2004 and 2005 | 07-03-024 | June 2007 |
| Quality Assurance Project Plan: Snoqualmie River Temperature Total Maximum Daily Load Study | 06-03-106 | July 2006 |
| Focus on Swamp Creek | 06-10-023 | April 2006 |
| Progress on Watershed Planning and Setting Instream Flows | 05-11-038 | December 2005 |
| Changes and Trends in Puget Sound Sediments: Results of the Puget Sound Ambient Monitoring Program, 1989-2000 | 05-03-024 | August 2005 |
| Temporal Monitoring of Puget Sound Sediments: Results of the Puget Sound Ambient Monitoring Program, 1989-2000 | 05-03-016 | July 2005 |
| Quality Assurance Project Plan: Lake Bacteria Sampling Project | 04-03-202 | July 2004 |
| Quality Assurance Project Plan: Snoqualmie River Total Maximum Daily Load Effectiveness Evaluation | 04-03-201 | 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 |
| Chemical Contamination, Acute Toxicity in Laboratory Tests, and Benthic Impacts in Sediments of Puget Sound: A summary of results of the joint 1997-1999 Ecology/NOAA survey | 03-03-049 | November 2003 |
| Lower Snohomish River Tributaries Fecal Coliform Bacteria Total Maximum Daily Load:Detailed Implementation Plan | 03-10-031 | June 2003 |
| Washington Water Acquisition Program: Finding Water to Restore Streams | 03-11-005 | March 2003 |
| Effectiveness Monitoring for Dioxin Total Maximum Daily Loads in Western Washington | 03-03-002 | January 2003 |
| Quality Assurance Project Plan: Screening Investigation of Water and Sediment Quality in Creeks from Ten Washington Mining Districts | 02-03-081 | October 2002 |
| Results of Sampling to Verify 303(d) Metals Listings for Selected Washington State Rivers and Creeks | 02-03-039 | September 2002 |
| River and Stream Ambient Monitoring Report for Water Year 2000 | 01-03-042 | December 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 |
| Snohomish River Tributaries Fecal Coliform Total Maximum Daily Load Submittal Report | 00-10-087 | June 2001 |
| 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: 1997 | 00-03-009 | March 2000 |
| Sediment Quality in Puget Sound: Year 1, Northern Puget Sound | 99-347 | December 1999 |
| River and Stream Ambient Monitoring Report for Water Year 1997 | 99-332 | August 1999 |
| Aquatic Plants Technical Assistance Program 1998 Activity Report | 99-328 | June 1999 |
| The Relationship Between Stream Macroinvertebrates and Salmon in the Quilceda/Allen Drainage | 99-311 | March 1999 |
| Pacific Northwest Salmon Habitat Indicators - Pilot Project Snohomish River Basin | 99-301 | 1999 |
| Washington State Marine Water Quality in 1996 and 1997 | 98-338 | December 1998 |
| River and Stream Ambient Monitoring Report for Wateryear 1996 | 98-317 | June 1998 |
| City of Ferndale Wastewater Treatment Plant Class II Inspection, June 16-18, 1997 | 98-318 | June 1998 |
| Aquatic Plants Technical Assistance Program 1997 Activity Report | 98-311 | April 1998 |
| Washington State Marine Water Quality in 1994 and 1995 | 97-316 | April 1997 |
| Water Quality Assessments of Selected Lakes within Washington State - 1994 | 97-307 | February 1997 |
| City of Marysville Wastewater Treatment Plant Class II Inspection | 97-304 | 1997 |
| River and Stream Ambient Monitoring Report for Wateryear 1995 | 96-355 | December 1996 |
| City of Monroe Wastewater Treatment Plant Class II Inspection, March 11-13, 1996 | 96-351 | November 1996 |
| Aquatic Plants Technical Assistance Program 1995 Activity Report | 96-332 | July 1996 |
| Lake Water Quality Assessment Program, 1993 | 96-304 | 1996 |
| River and Stream Ambient Monitoring Report for Wateryear 1994 | 95-349 | September 1995 |
| Metals Concentrations in Rivers and Streams Dropped from the 1994 Section 303(d) List | 95-352 | September 1995 |
| Aquatic Plants Technical Assistance Implementation Plan - 1995 Field Season | 95-334 | July 1995 |
| Snohomish River Estuary Dry Season TMDL Study Phase I - Water Quality Model Calibration | 95-338 | July 1995 |
| Water Quality Impacts from Dairies in Washington State: A Literature Review | 95-326 | June 1995 |
| Aquatic Plants Technical Assistance 1994 Activity Report | 95-331 | June 1995 |
| Marine Water Column Ambient Monitoring Program: Wateryear 1995 Long-Term Monitoring Implementation Plan | 95-324 | May 1995 |
| 1994 Statewide Water Quality Assessment Lakes Chapter - Companion Document to WA State 305(b) | 95-311 | February 1995 |
| Snohomish Watershed Initial Assessment | 95-006 | 1995 |
| Snohomish River Watershed Assessment Summary | 95-154 | 1995 |
| City of Everett Basin Class II Inspection Summary | 94-e16 | November 1994 |
| City of Marysville Basin Class II Inspection Summary. | 94-e17 | November 1994 |
| City of Monroe Basin Class II Inspection Summary | 94-e18 | November 1994 |
| City of Snohomish Basin Class II Inspection Summary | 94-e19 | November 1994 |
| Lake Stevens Sewer District Basin Class II Inspection Summary | 94-e20 | November 1994 |
| Town of Sultan Basin Class II Inspection Summary | 94-e21 | November 1994 |
| Priority Pollutants in Sediment from Ebey Slough, Snohomish River Estuary | 94-173 | October 1994 |
| River and Stream Ambient Monitoring Report for Wateryear 1993 | 94-158 | September 1994 |
| Freshwater Ambient Monitoring Report for Wateryear 1992 | 94-70 | May 1994 |
| Snoqualmie River Total Maximum Daily Load Study | 94-71 | May 1994 |
| Lake Water Quality Assessment Program, 1991-1992 | 94-46 | April 1994 |
| Weyerhaeuser Company, Snoqualmie Facility Class II Inspection, February 9 and 16, 1993 | 94-23 | February 1994 |
| Effectiveness of Best Management Practices for Aerial Application of Forest Pesticides | 93-81 | October 1993 |
| Summary of Ambient Monitoring Data Collected from the Snohomish River Basin | 93-e18 | October 1993 |
| Freshwater Ambient Monitoring Report for Wateryear 1991 | 93-75 | September 1993 |
| Snohomish Wastewater Treatment Plant Class II Inspection - September 20-21, 1992 | 93-e59 | March 1993 |
| Lake Water Quality Assessment Project, 1990 | 92-124 | 1993 |
| Relative Dispersion of Water Masses Near Department of Ecology Long-Term Monitoring Stations in Puget Sound Model | 93-e01 | 1993 |
| Snoqualmie River Basin Class II Inspections at North Bend, Snoqualmie, and Duvall Wastewater Treatment Plants | 92-e21 | December 1992 |
| City of Marysville Class II Inspection July 16-17, 1990 | 92-e28 | November 1992 |
| Effectiveness of Washington's Forest Practice Riparian Management Zone Regulations for Protection of Stream Temperature | 92-64 | July 1992 |
| Marine Water Column Ambient Monitoring Plan: Final Report | 92-23 | April 1992 |
| Drilling, Hydrologic Testing, and Piezometer Installation Near Sinking Creek Lincoln County, Washington | 92-11-001 | February 1992 |
| Upper Snoqualmie River Special Study | 92-e34 | 1992 |
| Upper Snoqualmie River Special Study | 92-e64 | 1992 |
| Lake Water Quality Assessment Project, 1989 | 91-60 | November 1991 |
| Basic Water Monitoring Program Fish Tissue and Sediment Sampling for 1989 | 91-e14 | October 1991 |
| Water Quality Survey of 15 "Volunteer-Monitored" Lakes in Washington State | 91-e06 | July 1991 |
| Snoqualmie River NPDES Permitted Dischargers July - September 1989 Inspections | 91-e20 | May 1991 |
| Snoqualmie River Low Flow Water Quality Assessment, July-September 1989. | 91-e30 | April 1991 |
| Review of Marysville WWTP Expansion Draft Outfall and Water Quality Analysis. Memo to Mike Dawda, NWRO, January 8, 1991. | 91-e29 | 1991 |
| Quality of Salmonid Hatchery Effluents during a Summer Low-Flow Season. Article in Transactions of the American Fisheries Society 120:43-51, 1991. | 91-e32 | 1991 |
| Scott, Everett Class II Inspection, January 31 and February 1, 1989. Memo to Don Nelson. | 90-e27 | June 1990 |
| Class II Compliance Monitoring Inspection, Scott Paper Company, Everett, Washington. Memo to Bruce Johnson and Roger Stanley. | 80-e20 | May 1990 |
| British Petroleum Oil Refinery Class II Inspection. Memo to Kim Anderson. | 90-e29 | March 1990 |
| Water Quality Survey of 25 Citizen-Volunteer Lakes from Washington State | 90-e03 | March 1990 |
| Central Kitsap Wastewater Treatment Plant Class II Inspection, November 29-30, 1988 | 90-e25 | March 1990 |
| Weyerhaeuser, Everett Class II Inspection. Memo to Greg Bean. | 90-e32 | February 1990 |
| Screening Survey for Chemical Contaminants and Toxicity in Drainage Basins at Paine Field, August 10-12, 1987. | 89-e25 | May 1989 |
| Quality and Fate of Fish Hatchery Effluents During the Summer Low Flow Season | 89-17 | 1989 |
| The Effect of the Everett WTP on Water Quality in the Snohomish River Estuary. | 87-e07 | July 1987 |
| City of Everett Class II Inspection. | 87-e30 | April 1987 |
| Granite Falls Receiving Water Study. Memo to Dave Wright. | 86-e00 | October 1986 |
| Ecological Baseline and Monitoring Project Final Report. Part 4: The Effects of Pulp Mill Load Reductions on Water Quality in Port Gardner, Washington. | 86-e07 | June 1986 |
| Ecological Baseline and Monitoring Project Final Report. Part 3: Distribution and Abundance of Benthic Macrofauna Adjacent to a Sulfite Pulp Mill Discharge Pipeline in Port Gardner, Washington, 1974 through 1976. | 86-e25 | May 1986 |
| Ecological Baseline and Monitoring Project Final Report. Part 2: Routine Water Quality Sampling and Intensive Surveys Data from Port Gardner, Washington. | 86-e10 | 1986 |
| Granite Falls Class II Inspection - August 2-3, 1983. Memo to Skip Harlan. | 83-e29 | October 1983 |
| Snoqualmie River Bacteria Study | 93-e46 | April 1983 |
| Water Quality Survey of Anderson Creek. September 10, 1982, Letter to Don Hendrick. | 82-e00 | September 1982 |
| Water Quality of the Snohomish River/Estuary and Possible Impacts of a Proposed Hewlett Packard Manufacturing Plant. | 82-2 | February 1982 |
| Assessment of Toxic Pollutants in English Sole and Rock Sole: Everett Harbor and Port Gardner. Memo to Dr. Claris Hyatt. | 82-e08 | 1982 |
| Reconnaissance of Eby Slough. Memo to John Bernhardt. | 81-e24 | August 1981 |
| Granite Falls Class II. Memo to Dave Wright. | 80-e19 | October 1980 |
| Monroe Class II Inspection. Memo to Dave Wright. | 80-e18 | April 1980 |
| Snohomish River Basin Instream Resources Protection Program | 79-11-001 | August 1979 |
| Biological Systems Acoustical Assessments in Port Gardner and Adjacent Waters, 1 September 1978 to 30 June 1979. | 79-e15 | June 1979 |
| Snohomish River Basin Instream Resources Protection Program | 79-IRPP-7 | 1979 |
| Weyco Thermo-Mechanical Pulp Mill - Everett Class II Inspection. Memo to Roger Stanley. | 78-e34 | July 1978 |
| Secondary Review of Snohomish County's RWMSCI Mathematical Model as it Applies to the Lower Snohomish River. Memo to John Spencer. | 77-e06 | March 1977 |
| North Bend STP Survey. Memo to Craig Baker. | 77-e07 | March 1977 |
| Review of Snohomish County's RWMSCI Mathematical Model As It Applies to the Lower Snohomish River. Memo to John Spencer. | 77-e05 | February 1977 |
| Everett STP Class II Inspection. Memo to John Glynn. | 76-e08 | March 1976 |
| Everett Sewage Lagoons. Memo to John Glynn. | 76-e04 | February 1976 |
| Monroe Reformatory Sewage Lagoons. Memo to John Glynn. | 76-e02 | 1976 |
| Marysville Sewage Lagoon Efficiency Survey. Memo to John Glynn. | 76-e05 | 1976 |
| Sultan STP Efficiency Study. Memo to John Glynn. | 76-e38 | 1976 |
| North Bend STP. Memo to Mark Primo. | 76-e40 | 1976 |
| Weyerhaeuser at Snoqualmie. Memo to Tom McCann. | 76-e43 | 1976 |
| Ecological Baseline and Monitoring Study for Port Gardner and Adjacent Waters: A Summary Report for 1972 - 1975 | 76-e59 | 1976 |
| Wastewater Discharge from Weyerhaeuser Mechanical Pulp Plant Outfall #004. Memo to Bruce Johnson. | 75-e37 | December 1975 |
| Pigeon Creek #1 Chronic Soil Erosion and Associated Turbidity Caused by Overflow from Municipal Water Storage Lagoon. Memo to Craig Baker. | 75-e36 | May 1975 |
| Efficiency Survey Conducted at North Bend STP. Memo to John Glynn. | 74-e09 | August 1974 |
| Survey of the Everett Lagoon. Memo to John Glynn. | 74-e55 | May 1974 |
| Survey at Monroe Reformatory. Memo to John Glynn. | 74-e53 | April 1974 |
| Efficiency Survey Conducted at the Snoqualmie Lagoon. Memo to John Glynn. | 74-e08 | March 1974 |
| Statistical Analysis of Data from Weyerhaeuser, Everett Secondary Treatment Survey Conducted February 20 to March 9, 1973. Memo to Ron Devitt. | 73-e73 | August 1973 |
| Weyerhaeuser Wood Mills - B & C Everett - Industrial Wastewater Treatment Surveys. Memo to Bill Burwell. | 73-e43 | July 1973 |
| Weyerhaeuser Company - Snoqualmie. Memo to Bill Burwell. | 73-e57 | June 1973 |
| Permit Compliance - Weyerhaeuser, Kraft, Everett. Memo to Jim Knudson. | 73-e42 | May 1973 |
| Everett Harbor Mercury Levels. Memo to Ron Pine. | 73-e62 | March 1973 |
| Hydraulic Dredging and the Effect of a Method of Spoil Disposal on Water Quality and Juvenile Salmon Survival in Port Gardner Bay, Everett, Washington. | 73-e69 | February 1973 |
| Spencer Island Hog Fuel Disposal. Memo to John Glynn and Larry Lewis. | 73-e80 | 1973 |
| Snohomish River Monitoring Project. Letter to William Smiley dated August 25, 1972. | 72-e41 | August 1972 |
| Tulalip Sanitary Landfill. Memo to John Arnquist December 15, 1971. | 71-e05 | December 1971 |
| Snoqualmie River at Carnation - September 27, 1971 Sample. Memo to Dick Cunningham. | 71-e21 | November 1971 |
| A Report on the Geology and Ground-Water Resources of Land Parcel No. 1-2680 owned by Charles Puckett, Snohomish County, Washington | OFTR 71-01 | 1971 |
| Lower Snohomish River Survey. Memo to John Arnquist and Merley McCall. | 70-e04 | August 1970 |
| Report on the Geology And Ground-Water Resources of the Arlington Heights, Snohomish County, Washington | OFTR 70-01 | 1970 |
