| Title (link to summary) |
Number |
Date (released or updated) |
| Measuring Mercury Trends in Freshwater Fish in Washington State, 2008 Sampling Results | 09-03-045 | September 2009 |
| Quality Assurance Project Plan: Grayland Ditch: An Evaluation of Organophosphate Pesticides and Pesticide Test Kits | 09-03-115 | July 2009 |
| Effect of Fluridone on Macrophytes and Fish in a Coastal Washington Lake. Article in the Journal of Aquatic Plant Management. | 09-03-033 | May 2009 |
| 2008 Report to the Legislature - Progress on Watershed Planning and Setting Instream Flows | 08-06-027 | December 2008 |
| Willapa River Fecal Coliform Bacteria Total Maximum Daily Load: Water Quality Implementation Plan | 08-10-052 | August 2008 |
| Chehalis Basin Education Consortium: Educating Teachers, Students, and the Community | 08-10-057 | July 2008 |
| Addendum to Quality Assurance Project Plan: Type N Experimental Buffer Treatment Study: Addressing Buffer Effectiveness on Riparian Inputs, Water Quality, and Exports to Fish-Bearing Waters in Basaltic Lithologies | 07-03-103ADD1 | June 2008 |
| Condition of Coastal Waters of Washington State, 2000-2003: A Statistical Summary | 07-03-051 | December 2007 |
| Willapa River Fecal Coliform Bacteria Verification Study: Water Quality Monitoring Report | 07-03-039 | August 2007 |
| Willapa River Fecal Coliform Bacteria Total Maximum Daily Load: Water Quality Improvement Report | 07-03-021 | June 2007 |
| Condition of Outer Coastal Estuaries of Washington State, 1999 - A Statistical Summary | 07-03-012 | March 2007 |
| Quality Assurance Project Plan: Type N Experimental Buffer Treatment Study: Addressing Buffer Effectiveness on Riparian Inputs, Water Quality, and Exports to Fish-Bearing Waters in Basaltic Lithologies | 07-03-103 | March 2007 |
| Willapa River Dissolved Oxygen Total Maximum Daily Load: Water Quality Improvement Report and Implementation Plan | 06-10-017 | February 2006 |
| Quality Assurance Project Plan: Willapa River Fecal Coliform Bacteria Verification Study | 06-03-202 | February 2006 |
| Progress on Watershed Planning and Setting Instream Flows | 05-11-038 | December 2005 |
| Willapa River Watershed Temperature Total Maximum Daily Load (Water Cleanup Plan): Submittal Report and Detailed Implementation Plan | 05-10-073 | August 2005 |
| Marine Fueling and Oil Transfer Practices for Covered Vessels and Ships in Washington | 04-08-005 | December 2004 |
| Washington State Toxics Monitoring Program: Toxic Contaminants in Fish Tissue and Surface Water in Freshwater Environments, 2002 | 04-03-040 | September 2004 |
| Willapa River Watershed Temperature Total Maximum Daily Load Study | 04-03-024 | September 2004 |
| Flow Summary for Gaging Stations on the Willapa River and Selected Tributaries | 04-03-023 | June 2004 |
| Pesticide Reduction Evaluation for Cranberry Bog Drainage in the Grayland Area | 03-03-034 | June 2003 |
| Mercury in Edible Fish Tissue and Sediments from Selected Lakes and Rivers of Washington State | 03-03-026 | June 2003 |
| Willapa Bay, WA Geographic Response Plan (GRP) | 03-08-009 | June 2003 |
| 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 |
| Quality Assurance Project Plan: Pesticide Reduction Evaluation for Cranberry Bog Drainage in the Grayland Area | 02-03-072 | August 2002 |
| River and Stream Ambient Monitoring Report for Water Year 2000 | 01-03-042 | December 2001 |
| Carbaryl Concentrations in Willapa Bay and Recommendations for Water Quality Guidelines | 01-03-005 | March 2001 |
| Evaluation of Efforts to Reduce Pesticide Contamination in Cranberry Bog Drainage | 00-03-041 | November 2000 |
| Willapa River Total Maximum Daily Load Data Summary Report | 00-03-005 | January 2000 |
| 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 |
| Screening Survey of Carbaryl (Sevin) and 1-naphthol Concentrations in Willapa Bay Sediments | 99-323 | May 1999 |
| Biological Assessment of Small Streams in the Coast Range Ecoregion & the Yakima River Basin | 99-302 | 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 |
| Aquatic Plants Technical Assistance Program 1997 Activity Report | 98-311 | April 1998 |
| Focus Sheet: Cleaning up the Willapa River | 98-2031-WQ | 1998 |
| Washington State Pesticide Monitoring Program: 1995 Surface Water Sampling Report | 98-300 | 1998 |
| Assessment of Cranberry Bog Drainage Pesticide Contamination | 97-329 | July 1997 |
| Washington State Marine Water Quality in 1994 and 1995 | 97-316 | April 1997 |
| River and Stream Ambient Monitoring Report for Wateryear 1995 | 96-355 | December 1996 |
| Aquatic Plants Technical Assistance Implementation Plan - 1995 Field Season | 95-334 | July 1995 |
| Water Quality Impacts from Dairies in Washington State: A Literature Review | 95-326 | 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 |
| Marine Water Column Ambient Monitoring Program: 1993 | 94-210 | December 1994 |
| Freshwater Ambient Monitoring Report for Wateryear 1992 | 94-70 | May 1994 |
| Willapa Bay Watershed Bacterial Evaluation and Preliminary Control Strategy | 93-64 | September 1993 |
| Freshwater Ambient Monitoring Report for Wateryear 1991 | 93-75 | September 1993 |
| Port of Willapa Pretreatment Facility, City of Raymond Wastewater Treatment Plant, September and December 1992 Class II Inspection | 93-e23 | August 1993 |
| Marine Water Column Ambient Monitoring Program: Wateryear 1992 Data Report, Final Report. | 93-41 | June 1993 |
| Washington State Pesticide Monitoring Program: Reconnaissance Sampling of Surface Waters (1992) | 93-e09 | March 1993 |
| Marine Water Column Ambient Monitoring Program: Annual Report for Wateryear 1991, Final Report. | 93-13 | February 1993 |
| Marine Water Column Monitoring Program Annual Data Report for Wateryear 1990 | 92-77 | August 1992 |
| Effectiveness of Washington's Forest Practice Riparian Management Zone Regulations for Protection of Stream Temperature | 92-64 | July 1992 |
| Water Quality Survey of 15 "Volunteer-Monitored" Lakes in Washington State | 91-e06 | July 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 |
| Survey of Pesticides in Sediments in the Vicinity of Shoalwater Bay Tribal Lands. | 89-e01 | December 1989 |
| Quality and Fate of Fish Hatchery Effluents During the Summer Low Flow Season | 89-17 | 1989 |
| Elevated Nitrate in Ocean Park Drinking Water Well. Memo to Beth Rowan May 31, 1988 | 88-e00 | May 1988 |
| Completion of Sevin Report. Memo to Jon Neel and Gary Bailey. | 87-e13 | July 1987 |
| Review of Data on Sevin. Memo to Jon Neel and Gary Bailey. | 87-e14 | July 1987 |
| Willapa Bay Water Quality Management Plan | 83-4 | May 1983 |
| Raymond/South and North Fork Willapa River Fecal Coliform Survey. Memo to Howard Steeley. | 83-e07 | January 1983 |
| South Bend STP Class II Survey. Memo to Douglas Houck. | 79-e11 | 1979 |
| Weyerhaeuser Raymond (Twin Harbors) Class II Inspection. Memo to Gerry Calkins. | 78-e06 | March 1978 |
| East Point Seafood Class II Inspection. Memo to Gerry Calkins. | 76-e18 | December 1976 |
| North Cove Pacific County Dump and Grayland Cranberry Drainage Ditch. Memo to Howard Steeley. | 76-e25 | 1976 |
| East Point Seafoods Effluent and Receiving Water Study. Memo to Howard Steeley. | 76-e31 | 1976 |
| Willapa Salmon Hatchery. Memo to Howard Steeley. | 76-e32 | 1976 |
| Analysis of Water Quality and Unknown Fibers from Willapa Bay. Memo to Vance Lipausky, Coast Oyster Company. | 75-e25 | December 1975 |
| Naselle Youth Camp STP Efficiency Study. Memo to Gerry Calkins. | 75-e51 | September 1975 |
| Ilwaco STP. Memo to Vern Meinz. | 75-e11 | March 1975 |
| East Point Seafoods Study by Smith. Memo to Howard Steeley and Vern Meinz. | 75-e34 | 1975 |
| Critique of the Washington Department of Ecology Survey of the Willapa River on August 20, 21, 1974. Grays Harbor College, Aberdeen. | 74-e88 | December 1974 |
| Survey Conducted on the Willapa River August 20-21, 1974. Memo to Howard Steeley and Vern Meinz. | 74-e44 | October 1974 |
| Survey at Weyerhaeuser in Raymond, Washington. Memo to Gerry Calkins and Howard Steeley. | 74-e27 | August 1974 |
| South Bend Sewage Lagoon Efficiency Study. Memo to Gerry Calkins. | 74-e25 | June 1974 |
| Efficiency Study of Raymond Sewage Treatment Plant. Memo to Howard Steeley and Gerry Calkins. | 74-e17 | March 1974 |
| Long Beach Sewage Treatment Plant Efficiency Survey. Memo to Howard Steeley and Gerry Calkins. | 73-e27 | December 1973 |
| Report of Field Studies on the Willapa River August 29-31, 1972, and September 19-20, 1972. USEPA, Seattle, WA | 72-e26 | 1972 |
| Willapa River Survey. Memo to Nelson Graham. | 71-e03 | November 1971 |
| Weyerhaeuser-Raymond Industrial Survey. Memo to Nelson Graham. | 71-e11 | October 1971 |
| Long Beach Lagoon Discharge Receiving Water and Ground Water. Memo to Nelson Graham. | 71-e12 | October 1971 |
| Harbor Bell, Inc. Memo to Nelson Graham. | 71-e32 | May 1971 |
| Willapa River Survey. Memo to Nelson Graham, Don Provost, and Ron Lee. | 70-e00 | August 1970 |
| Willapa River Estuary Survey. Memo to Nelson Graham and Merley McCall. | 70-e07 | February 1970 |
| Preliminary Geologic Evaluation of a Proposed Nuclear Power Plant Site at Hawks Point, Pacific County, Washington | OFTR 70-02 | 1970 |
| A Brief Description of the Ground-Water Resources of Pacific and Wahkiakum Counties, Washington | OFTR 69-01 | 1969 |
