| Title (link to summary) |
Number |
Date (released or updated) |
| Pesticides in Salmonid-Bearing Streams: Intensive Sampling in an Agricultural Drain - A Cooperative Study by the Washington State Department of Ecology and the Washington State Department of Agriculture | 08-03-020 | July 2008 |
| Finding Water Supplies for Eastern Washington | 08-11-031 | July 2008 |
| Math Classes for Treatment Plant Operators | 08-10-056 | July 2008 |
| Surface Water Monitoring Program for Pesticides in Salmonid-Bearing Streams, 2007 Data Summary | 08-03-009 | April 2008 |
| Data Summary Report: Yakima Area Creeks Fecal Coliform Total Maximum Daily Load Study | 08-03-001 | February 2008 |
| Chlorinated Pesticides, PCBs, and Dioxins in Yakima River Fish in 2006: Data Summary and Comparison to Human Health Criteria | 07-03-036 | 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 |
| Quality Assurance Project Plan: Marion Drain Intensive Surface Water Sampling for Pesticides In Salmonid-Bearing Streams | 07-03-105 | June 2007 |
| Ambient Groundwater Quality in the Moxee Valley Surficial Aquifer, Yakima County, January-June 2006 | 07-03-023 | May 2007 |
| Surface Water Monitoring Program for Pesticides in Salmonid-Bearing Streams, 2006 Monitoring Data Summary | 07-03-016 | March 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 |
| Measuring Mercury Trends in Freshwater Fish in Washington State: 2005 Sampling Results | 07-03-007 | February 2007 |
| 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 |
| 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 |
| Results from Monitoring Endosulfan and Dieldrin in Wide Hollow Creek, Yakima River Drainage, 2005-06 | 06-03-038 | September 2006 |
| Yakima River Watershed Toxics Study | 06-10-069 | September 2006 |
| Focus on Finding Water Use Solutions for Camps and Cabin Owners | 06-11-016 | July 2006 |
| Lower Yakima River Suspended Sediment Total Maximum Daily Load: Effectiveness Monitoring Report | 06-03-014 | May 2006 |
| Progress on Watershed Planning and Setting Instream Flows | 05-11-038 | December 2005 |
| Quality Assurance Project Plan: Assessment of Ambient Groundwater Quality Conditions in the Surficial Unconsolidated Sedimentary Aquifer of the Moxee Valley, Yakima County, Washington | 05-03-119 | December 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 |
| Final Environmental Impact Statement - Ahtanum Creek Watershed Restoration Program | 05-06-016 | June 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 |
| Quality Assurance Project Plan: Yakima Area Creeks Fecal Coliform Total Maximum Daily Load Study | 05-03-101 | January 2005 |
| 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 |
| Groundwater Quality in the Central Ahtanum Valley, Yakima County, March 2001 - December 2002 | 03-03-040 | July 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 |
| Granger Drain Fecal Coliform Bacteria Total Maximum Daily Load: Detailed Implementation Plan | 03-10-004 | 2003 |
| Results and Recommendations from Monitoring Arsenic Levels in 303(d) Listed Rivers in Washington | 02-03-045 | 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 |
| Granger Drain Fecal Coliform Bacteria Total Maximum Daily Load -- Submittal Report | 01-10-062 | November 2001 |
| Granger Drain Fecal Coliform Bacteria Total Maximum Daily Load Assessment and Evaluation -- FINAL | 01-10-012 | October 2001 |
| Water Cleanup Plans: Granger Drain Fecal Coliform TMDL | 01-10-004 | February 2001 |
| USBR Columbia River Pump Exchange Project: Potential Water Quality Impacts on the Lower Yakima River | 01-03-000 | January 2001 |
| River and Stream Ambient Monitoring Report for Water Year 1997 | 99-332 | August 1999 |
| Biological Assessment of Small Streams in the Coast Range Ecoregion & the Yakima River Basin | 99-302 | 1999 |
| River and Stream Ambient Monitoring Report for Wateryear 1996 | 98-317 | June 1998 |
| Washington State Pesticide Monitoring Program: 1995 Surface Water Sampling Report | 98-300 | 1998 |
| A Suspended Sediment and DDT Total Maximum Daily Load Evaluation Report for the Yakima River | 97-321 | July 1997 |
| Water Quality Assessments of Selected Lakes within Washington State - 1994 | 97-307 | February 1997 |
| River and Stream Ambient Monitoring Report for Wateryear 1995 | 96-355 | December 1996 |
| Watershed Briefing Paper for the Upper and Lower Yakima Watersheds | 96-336 | September 1996 |
| Aquatic Plants Technical Assistance Program 1995 Activity Report | 96-332 | July 1996 |
| Land Use/Land Cover Spatial Data Layer Development and Update Project | 96-e17 | March 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 |
| 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 |
| 1994 Statewide Water Quality Assessment Lakes Chapter - Companion Document to WA State 305(b) | 95-311 | February 1995 |
| Washington State Pesticide Monitoring Program: Reconnaissance Sampling of Fish Tissue and Sediments (1992) | 94-194 | December 1994 |
| Zinc, Copper, and Cadmium Concentrations in Four Washington Rivers | 94-58 | October 1994 |
| River and Stream Ambient Monitoring Report for Wateryear 1993 | 94-158 | September 1994 |
| Effects of Leakage from Four Dairy Waste Storage Ponds on Ground Water Quality, Final Report | 94-109 | June 1994 |
| Instream Biological Assessment Monitoring Protocols: Benthic Macroinvertebrates | 94-113 | June 1994 |
| Freshwater Ambient Monitoring Report for Wateryear 1992 | 94-70 | May 1994 |
| Yakima Regional Wastewater Treatment Plant Class II Inspection, October 5-7,1992. | 93-e28 | November 1993 |
| Freshwater Ambient Monitoring Report for Wateryear 1991 | 93-75 | September 1993 |
| Moxee Drain BMP Implementation Demonstration Project Water Quality Monitoring Report | 93-e55 | September 1993 |
| City of Grandview Class II Inspection, October 21-23, 1991 | 93-e60 | May 1993 |
| Yakima River Basin Class II Inspections at Toppenish, Zillah, Sunnyside, Mabton, Wapato, Moxee, Selah, Ellensburg, and Granger Wastewater Treatment Plants | 93-e19 | April 1993 |
| Washington State Pesticide Monitoring Program: Reconnaissance Sampling of Surface Waters (1992) | 93-e09 | March 1993 |
| Prosser Wastewater Treatment Plant Class II Inspection, October 7-9, 1991 | 92-e36 | December 1992 |
| Interim Report on the Moxee BMP Demonstration Project | 92-e58 | April 1992 |
| Seneca Foods, Wastewater Treatment Plant Class II Inspection | 91-e21 | November 1991 |
| Toppenish Sewage Treatment Plant Class II Inspection, May 29-30, 1990 | 91-e02 | October 1991 |
| Organochlorine analysis of Yakima River samples for State of the Environment Report. Memo to Bob Barwin and Steve Saunders September 27, 1991. | 91-e27 | September 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 |
| Wapato Wastewater Treatment Plant Class II Inspection. | 89-e42 | September 1989 |
| Agricultural Chemicals Pilot Study Interim Report, August 1989. | 89-e12 | August 1989 |
| Quality and Fate of Fish Hatchery Effluents During the Summer Low Flow Season | 89-17 | 1989 |
| Quality of Water, Sediment, and Biota in Wide Hollow Creek, Washington | 88-e26 | March 1988 |
| Re-survey for Aldrin in Spring/Snipes Creek. | 88-e14 | 1988 |
| Persistence of DDT in the Yakima River Drainage, Washington. Article in Archives of Environmental Contamination and Toxicology 17, 289-297 (1988) | 88-e17 | 1988 |
| Yakima River Fish Histopathology Study | 87-e38 | March 1987 |
| Yakima Sewage Treatment Plant Class II Inspection, July 15-16, 1986. | 86-e16 | November 1986 |
| Occurrence and Significance of DDT Compounds and Other Contaminants in Fish, Water, and Sediment from the Yakima River Basin | 86-5 | July 1986 |
| Basic Water Monitoring Program: Fish Tissue and Sediment Sampling for 1984. | 85-7 | November 1985 |
| Roza Irrigation District Ground Water Supply Study: Report for Yakima River Basin Water Enhancement Project | OFTR 85-01 | May 1985 |
| Results of Low-flow Surveys in the Yakima River Above and Below Prosser STP, October 5-6, 1982, and September 13-14, 1983. Memo to Al Newman. | 84-e22 | 1984 |
| DDT Concentrations in Fish taken from the Yakima River Below Birchfield (Moxee) Drain. Memo to Clar Pratt. | 83-e27 | December 1983 |
| Birchfield DDT Recommendations. Memo to Dick Cunningham. | 83-e01 | July 1983 |
| Review of Available DDT Data. Especially as Related to the Yakima River and Recent Elevated Residues Found in Samples from Birchfield (Moxee) Drain. Memo to Dick Cunningham. | 83-e26 | July 1983 |
| Water Quality in the Gap-to-Gap Reach of the Yakima River, June-October 1982. Memo to Clar Pratt. | 83-e17 | June 1983 |
| Prosser Class II Inspection - October 5-6, 1982. Memo to Al Newman. | 83-e13 | May 1983 |
| Analyses of Bacteriological Data Generated in Yakima Related to Post-St. Helen's Eruption Activities. Memo to Clar Pratt. | 80-e07 | September 1980 |
| Richland STP Class II Inspection. Memo to Al Newman. | 79-e33 | April 1979 |
| Yakima STP Class II Inspection. Memo to Tom Coleman. | 77-e17 | February 1977 |
| U&I (Toppenish) Class II Inspection. Memo to Jim Milton. | 76-e15 | March 1976 |
| Prosser Domestic STP Efficiency Study. Memo to Jim Milton. | 75-e20 | April 1975 |
| Toppenish Municipal STP Efficiency Study. Memo to Jim Milton | 75-e17 | April 1975 |
| Mabton STP Efficiency Study. Memo to Jim Milton. | 75-e19 | April 1975 |
| Mabton STP. Memo to James Milton | 74-e18 | October 1974 |
| Granger STP Efficiency Study. Memo to John Arnquist. | 74-e00 | April 1974 |
| Efficiency Study of Shelton Sewage Treatment Plant. Memo to Ron Robinson and Mike Price. | 73-e77 | December 1973 |
| Union Gap STP Efficiency Survey, Conducted October 17, 1973. Memo to John Arnquist and John Hodgson. | 73-e68 | November 1973 |
| Yakima STP Efficiency Study | 73-e85 | November 1973 |
| Richland STP Class II Inspection. Memo to John Arnquist, John Hodgson, Ron Devitt, Ron Pine. | 73-e09 | October 1973 |
| Moxee City STP. Memo to John Hodgson, Ron Pine, and Ron Devitt. | 73-e37 | July 1973 |
| Sunnyside Sewage Treatment Plants. Memo to John Hodgson. | 73-e47 | April 1973 |
| Terrace Heights STP. Memo to John Hodgson. | 73-e51 | February 1973 |
| Efficiency Study of Waste Treatment Facilities at Stokely Van Camp, Zillah, Washington. Memo to John Hodgson. | 72-e35 | October 1972 |
| Boise Cascade at Yakima. Memo to John Hodgson. | 72-e36 | October 1972 |
| Wapato STP. Memo to Dan Neal and John Hodgson. | 72-e18 | June 1972 |
| Industrial Survey - Wapato Fruit Company, Wapato. Memo to Dan Neal, 1971. | 71-e26 | December 1971 |
| Yakima River Study Near the Utah and Idaho Sugar Company, Toppenish, Washington. Memo to Dan Neal. | 71-e27 | November 1971 |
| Industrial Survey - Utah and Idaho Sugar Company, Toppenish, Washington. Memo to Dan Neal. | 71-e25 | November 1971 |