| Title (link to summary) |
Number |
Date (released or updated) |
| 2008 Report to the Legislature - Progress on Watershed Planning and Setting Instream Flows | 08-06-027 | December 2008 |
| Chehalis Basin Education Consortium: Educating Teachers, Students, and the Community | 08-10-057 | July 2008 |
| Progress on Watershed Planning and Setting Instream Flows | 05-11-038 | 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 |
| 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 |
| The Chehalis/Grays Harbor Watershed Dissolved Oxygen, Temperature, and Fecal Coliform Bacteria TMDL: Detailed Implementation (Cleanup) Plan | 04-10-065 | December 2004 |
| Upper Chehalis River Fecal Coliform Bacteria Total Maximum Daily Load: Submittal Report | 04-10-041 | May 2004 |
| Upper Chehalis River Fecal Coliform Bacteria Total Maximum Daily Load Recommendations | 04-03-004 | April 2004 |
| Chehalis River Basin, WRIAs 22 and 23, Fish Habitat Analysis Using the Instream Flow Incremental Methodology | 04-11-006 | April 2004 |
| Quality Assurance Project Plan: Spatial Extent of Dioxin/Furan Contaminated Sediments in Dillenbaugh Creek | 04-03-101 | January 2004 |
| Mercury in Edible Fish Tissue and Sediments from Selected Lakes and Rivers of Washington State | 03-03-026 | June 2003 |
| Grays Harbor/Chehalis Watershed Fecal Coliform Bacteria Total Maximum Daily Load Submittal Report | 01-10-025 | December 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 |
| Reconnaissance Survey of Dioxins and Furans in Dillenbaugh Creek and the Chehalis River near the American Crossarm Site | 02-03-043 | September 2002 |
| Chehalis Best Management Practices Evaluation Project, Final Report for Water Quality Sites | 02-03-015 | April 2002 |
| 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 |
| Upper Chehalis River Basin Temperature Total Maximum Daily Load | 99-52 | July 2001 |
| American Crossarm and Conduit Monitoring Results, November 2000 and April 2001 | 01-03-022 | June 2001 |
| American Crossarm and Conduit Monitoring Results, September 1999 and June 2000 | 00-03-050 | December 2000 |
| Hamilton/Labree Road PCE Site Groundwater Monitoring, February and July 1999 | 00-03-037 | September 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 |
| American Crossarm and Conduit Monitoring Results, June 22, 1999 | 99-343 | October 1999 |
| American Crossarm and Conduit Monitoring Results, May 5 and October 14, 1998 | 99-341 | October 1999 |
| Upper Chehalis River Basin Temperature
Total Maximum Daily Load | 99-52-WQ | September 1999 |
| River and Stream Ambient Monitoring Report for Water Year 1997 | 99-332 | August 1999 |
| Hamilton/Labree Road PCE Site Ground Water Monitoring October 1997 - July 1998 | 99-322 | April 1999 |
| American Crossarm and Conduit January 6-7, September 9-10, and December 9-10, 1997 | 99-321 | April 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 |
| 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 |
| Chehalis Best Management Practices Evaluation Project, 1996-97 Beaver/Allen Creek WQ Data Report | 98-309 | March 1998 |
| City of Chehalis Wastewater Treatment Plant Class II Inspection, June 1997 | 98-303 | 1998 |
| Chehalis Best Management Practices Evaluation Project, 1996/97 Water Quality Data Report for Bunker Creek | 98-333 | 1998 |
| 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 |
| Beaver/Allen Creek Water Quality Data Report 1995-1996 | 97-300 | 1997 |
| Pollutant Loading Capacity for the Black River, Chehalis River System, Washington. Article in the Journal of the American Water Resources Assn, Vol. 33, No. 2, April 1997. | 97-e08 | 1997 |
| 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 |
| Chehalis Best Management Practices Evaluation Project--1995 Temperature Monitoring Data | 96-340 | September 1996 |
| Aquatic Plants Technical Assistance Program 1995 Activity Report | 96-332 | July 1996 |
| Chehalis Best Management Practices Evaluation Project, Report on the Black River Project Area | 96-325 | June 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 |
| Chehalis Best Management Practices Evaluation Project, 1994-95 Water Quality Data Report for Bunker/Deep Creek Project Area | 96-312a | March 1996 |
| Washington State Pesticide Monitoring Program: 1994 Surface Water Sampling Report | 96-305 | February 1996 |
| Lake Water Quality Assessment Program, 1993 | 96-304 | 1996 |
| Washington State Pesticide Monitoring Program: 1993 Fish Tissue Sampling Report | 95-356 | October 1995 |
| Chehalis River BMP Evaluation Project: Interim Report on the Chehalis River Project Area | 95-336 | 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 |
| Aquatic Plants Technical Assistance Implementation Plan - 1995 Field Season | 95-334 | July 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 |
| 1994 Statewide Water Quality Assessment Lakes Chapter - Companion Document to WA State 305(b) | 95-311 | February 1995 |
| Upper Chehalis Watershed Initial Assessment | 95-003 | 1995 |
| Upper Chehalis Watershed Assessment Summary | 95-150 | 1995 |
| Washington State Pesticide Monitoring Program: Reconnaissance Sampling of Fish Tissue and Sediments (1992) | 94-194 | December 1994 |
| Upper Chehalis River Basin: Evaluation of Total Maximum Daily Loads Summary Report | 94-144 | September 1994 |
| River and Stream Ambient Monitoring Report for Wateryear 1993 | 94-158 | September 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 |
| Effects of Leakage from Four Dairy Waste Storage Ponds on Ground Water Quality, Final Report | 94-109 | June 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 |
| Upper Chehalis River Dry Season Total Maximum Daily Load Study | 94-126 | 1994 |
| Chehalis River Basin Class II Inspections at Eight NPDES Permitted Dischargers, August 1991-August 1992 | 93-e11 | December 1993 |
| Effectiveness of Best Management Practices for Aerial Application of Forest Pesticides | 93-81 | October 1993 |
| Freshwater Ambient Monitoring Report for Wateryear 1991 | 93-75 | September 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 |
| 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 |
| Effectiveness of Forest Road and Timber Harvest Best Management Practices with Respect to Sediment-related Water Quality Impacts, Progress Report | 92-e55 | October 1992 |
| Historical Data Sources and Water Quality Problems in the Chehalis River Basin - First Interim Report for the Chehalis River TMDL | 92-e54 | June 1992 |
| Investigation of WQ Problems in the Black River Between the Black River Canoe Club & Mouth of Mima | 91-e41 | December 1991 |
| Basic Water Monitoring Program Fish Tissue and Sediment Sampling for 1989 | 91-e14 | October 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 |
| Black River Water Quality, Winter 1989/1990. Memo to Gene Deschamps. | 90-e14 | December 1990 |
| Rochester Ground Water Quality Investigation | 90-e17 | November 1990 |
| 1989 Lakes and Reservoir Water Quality Assessment Program: Survey of Chemical Contaminants in Ten Washington Lakes | 90-e35 | May 1990 |
| Water Quality Survey of 25 Citizen-Volunteer Lakes from Washington State | 90-e03 | March 1990 |
| The Black River Fish Kill Report | 89-54 | October 1989 |
| Quality and Fate of Fish Hatchery Effluents During the Summer Low Flow Season | 89-17 | 1989 |
| Dillenbaugh Creek Benthic Invertebrate and Sediment Assessment, July 1987. Memo to Mike Templeton. | 88-e19 | December 1988 |
| Receiving Water and Sediment Sampling: American Crossarm and Conduit Pentachlorophenol Spill. | 87-e36 | May 1987 |
| Salzer Creek Survey. | 87-e04 | April 1987 |
| Changes in the Consolidated Dairy Products (Darigold) Permit: Computer Model Simulations and Nutrient Evaluation. Memo to Chung Ki Yee. | 87-e18 | March 1987 |
| Dillenbaugh Creek Survey. Memo to Jon Neel. | 87-e03 | 1987 |
| Review of EPA Region X Technical Assistance Team Preliminary Site Assessment of PCB Contamination at the Lewis County PUD/Ross Electrical Coal Creek Site. Memo to Jon Neel. | 86-e31 | 1986 |
| Evaluation of Conditions Contributing to the Dissolved Oxygen Problem in the Chehalis River between Chehalis and Centralia. Memo to Jon Neel. | 84-e24 | October 1984 |
| Consolidated Dairy Products, Chehalis (Darigold) Wastewater Treatment Plant Class II Inspection - March 20-21, 1984. Memo to Gary Bailey August 1, 1984. | 84-e11 | August 1984 |
| Chehalis River Water Quality Data Collected July-September 1980. Memo to Howard Steeley. | 82-e20 | November 1982 |
| Chehalis River Study. Memo to Howard Steeley. | 81-e05 | September 1981 |
| Centralia STP Class II Inspection. Memo to Doug Houck October 13, 1980. | 80-e05 | October 1980 |
| Chehalis Wastewater Treatment Plant - Class II Inspection. Memo to Doug Houck. | 80-e22 | September 1980 |
| Low D.O. Values in the Chehalis River. Memo. | 80-e09 | 1980 |
| Water Resources Management Program, Basin Program Series 2: Chehalis River Basin | 75-11-001 | November 1976 |
| Cedar Creek Youth Camp Lagoon. Memo to Ron Robinson. | 74-e94 | August 1974 |
| Pe Ell STP Efficiency Study. Memo to Gerry Calkins. | 74-e24 | June 1974 |
| Maple Lane School Sewage Treatment Plant Survey. Memo to Mike Price, Ron Robinson, Ron Pine, and Carrie Berry. | 73-e23 | November 1973 |
| Centralia STP. Lab Data Summary. | 73-e48 | July 1973 |
| National Fruit Processing, Chehalis. Memo to Nelson Graham. | 72-e21 | December 1972 |
| Water Quality of Chehalis River in the Chehalis- Centralia Area. Memo to Nelson Graham. | 72-e22 | October 1972 |
| Centralia STP Efficiency Study. STP Survey Report Form. | 72-e37 | September 1972 |
| Chehalis STP Efficiency Study. STP Survey Report Form. | 72-e46 | September 1972 |
| Efficiency Studies and Survey Results (Chehalis River). Memo to Ron Pine. | 72-e27 | July 1972 |
| Maple Lane School, Centralia, Basin Class II Inspection on October 22-23, 1991 | 92-e18 | June 1972 |
| Interim Report: Hanaford Creek Sampling Program, April 1971 | 71-e19 | April 1971 |
| Gheer Creek Survey. Memo to Nelson Graham. | 69-e05 | November 1969 |
