| Title (link to summary) |
Number |
Date (released or updated) |
| Solving Septic Impacts in the Colville Watershed | 09-10-021 | 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 |
| Measuring Mercury Trends in Freshwater Fish in Washington State: 2007 Sampling Results | 08-03-027 | September 2008 |
| History of Mercury in Selected Washington Lakes Determined from Age-Dated Sediment Cores: 2007 Sampling Results | 08-03-012 | May 2008 |
| Measuring Mercury Trends in Freshwater Fish in Washington State: 2005 Sampling Results | 07-03-007 | February 2007 |
| Colville National Forest Temperature and Bacteria Total Maximum Daily Load: Water Quality Implementation Plan | 06-10-059 | October 2006 |
| Washington State Toxics Monitoring Program: Toxic Contaminants in Fish Tissue and Surface Water in Freshwater Environments, 2003 | 06-03-019 | May 2006 |
| Progress on Watershed Planning and Setting Instream Flows | 05-11-038 | December 2005 |
| Colville River Watershed Fecal Coliform Bacteria Total Maximum Daily Load (Water Cleanup Plan): Detailed Implementation Plan | 05-10-045 | August 2005 |
| Colville National Forest Temperature, Bacteria, and pH Total Maximum Daily Load (Water Cleanup Plan): Submittal Report | 05-10-047 | July 2005 |
| Third Screening Investigation of Water and Sediment Quality of Creeks in Ten Washington Mining Districts, with Emphasis on Metals | 04-03-005 | February 2004 |
| Colville River Dissolved Oxygen Total Maximum Daily Load: Submittal Report | 03-10-029 | December 2003 |
| Mercury in Edible Fish Tissue and Sediments from Selected Lakes and Rivers of Washington State | 03-03-026 | June 2003 |
| Colville River Watershed Bacteria Total Maximum Daily Load: Submittal Report - Amended | 03-10-030 | May 2003 |
| Investigation of Background Inorganic and Organic Arsenic in Four Washington Lakes | 03-03-024 | May 2003 |
| 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: 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: Investigation of Background Concentrations of Organic and Inorganic Arsenic in Freshwater Fish Tissue in Four Washington Lakes | 02-03-075 | September 2002 |
| Colville River Fecal Coliform Total Maximum Daily Load Study | 02-03-036 | July 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 |
| Focus Sheet: Water Quality in the Colville River Watershed | 02-10-013 | March 2002 |
| River and Stream Ambient Monitoring Report for Water Year 2000 | 01-03-042 | December 2001 |
| Water Quality Assessments of Selected Lakes within Washington State: 1997 | 00-03-009 | March 2000 |
| Aquatic Plants Technical Assistance Program 1998 Activity Report | 99-328 | June 1999 |
| Aquatic Plants Technical Assistance Program 1997 Activity Report | 98-311 | April 1998 |
| 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 |
| River and Stream Ambient Monitoring Report for Wateryear 1995 | 96-355 | December 1996 |
| Lake Water Quality Assessment Program, 1993 | 96-304 | 1996 |
| 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 |
| City of Colville Sewage Treatment Plant Class II Inspection | 95-357 | October 1995 |
| River and Stream Ambient Monitoring Report for Wateryear 1994 | 95-349 | September 1995 |
| Loon Lake Sewer District 4 Treatment Plant Class II Inspection | 95-341 | August 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 |
| 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 |
| Lake Water Quality Assessment Program, 1991-1992 | 94-46 | April 1994 |
| 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 |
| Lake Water Quality Assessment Project, 1990 | 92-124 | 1993 |
| Effectiveness of Forest Road and Timber Harvest Best Management Practices with Respect to Sediment-related Water Quality Impacts, Progress Report | 92-e55 | October 1992 |
| Lake Water Quality Assessment Project, 1989 | 91-60 | November 1991 |
| Water Quality Survey of 15 "Volunteer-Monitored" Lakes in Washington State | 91-e06 | July 1991 |
| Water Quality Survey of 25 Citizen-Volunteer Lakes from Washington State | 90-e03 | March 1990 |
| Colville Wastewater Treatment Plant/Colville River Receiving Water Study. | 89-e39 | April 1989 |
| Colville Wastewater Treatment Plant Class II Inspection September 22-23, 1987 | 88-e10 | August 1988 |
| Chewelah Class II Inspection and Receiving Water Report. Memo to Roger Ray. | 83-e46 | October 1983 |
| An Assessment of the Trophic Status of Deer, Loon, and Diamond Lakes | 80-9 | July 1980 |
| Class II Inspection - Colville, Washington. Memo to Claude Sappington. | 79-e23 | November 1979 |
| Review of Water Quality Data for Colville Indian Reservation. Memo to John Spencer. | 79-e03 | July 1979 |
| Water Resources Management Program, Basin Program Series 5: Colville River Basin | 77-11-002 | August 1977 |
| Chewelah STP Class II Inspection. Memo to Ron Pine. | 75-e24 | December 1975 |
| Chewelah (Lagoon). Memo to Dan Neal, Ron Pine, and Ron Devitt. | 73-e36 | July 1973 |
| Colville Sewerage Treatment Plant Survey. Memo to Dan Neal. | 73-e52 | 1973 |
