| Title (link to summary) | Number | Date (released or updated) |
|
Quality Assurance Project Plan: Monitoring of Tire Contaminants in Coho Salmon Watersheds
| 23-03-113 | November 2023 |
|
WRIA 26 Cowlitz Watershed Water Availability
| 20-11-026 | October 2023 |
|
Methylmercury in Freshwater Fish, 2020 Comparison Study
| 23-03-011 | July 2023 |
|
Focus on: Watershed Health Monitoring 2023
| 23-03-008 | February 2023 |
|
Survey of Phthalates in Washington State Waterbodies, 2021
| 22-03-027 | September 2022 |
|
Focus on: Section 401 Water Quality Certifications
| 21-06-008 | April 2021 |
|
Focus on: Water of the United States
| 21-06-007 | March 2021 |
|
Planning for flood risks
| 21-06-004 | February 2021 |
|
Shell Mart McKenzie Automotive Groundwater Monitoring Results, April 2019: Data Summary Report
| 21-03-002 | February 2021 |
|
Flame Retardants in Ten Washington State Lakes, 2017-2018.
| 19-03-021 | December 2019 |
|
Freshwater Fish Contaminant Monitoring Program: 2016 Results
| 19-03-013 | August 2019 |
|
Quality Assurance Project Plan: Flame Retardants in Ten Waterbodies in Washington State
| 17-03-116 | November 2017 |
|
Measuring Mercury Trends in Freshwater Fish, 2015 Sampling Results
| 17-03-006 | April 2017 |
|
Brominated Flame Retardants, Alkylphenolic Compounds, and Hexabromocyclododecane in Freshwater Fish of Washington State Rivers and Lakes
| 16-03-012 | March 2016 |
|
2015 Report to the Legislature: Statewide Progress on Setting Instream Flows
| 15-11-018 | November 2015 |
|
Quality Assurance Project Plan: Olequa Creek, Dry Season Flow Characterization in Winlock, WA, Lewis County
| 15-10-021 | June 2015 |
|
Quality Assurance Project Plan: Brominated Flame Retardants, Chlorinated Paraffins, and Hexabromocyclododecane in Freshwater Fish of Washington State Rivers and Lakes
| 14-03-126 | December 2014 |
|
2013 Report to the Legislature: Statewide Progress on Setting Instream Flows
| 13-11-004 | November 2013 |
|
2012 Report to the Legislature: Statewide Progress on Setting Instream Flows2012 Report to the Legislature: Statewide Progress on Setting Instream Flows
| 12-11-048 | December 2012 |
|
2011 Report to the Legislature: Statewide Progress on Setting Instream Flows
| 12-11-002 | May 2012 |
|
Measuring Mercury Trends in Freshwater Fish in Washington State, 2010 Sampling Results
| 11-03-053 | October 2011 |
|
2010 Report to the Legislature: Water Banking in Washington State
| 11-11-072 | June 2011 |
|
Rule Proposal Notice for Grays-Elochoman and Cowlitz Water Resources Management Programs
| 10-11-007 | April 2010 |
|
Small Business Economic Impact Statement for Chapter 173-525 WAC, Grays-Elochoman Basin and Chapter 173-526 WAC, Cowlitz Basin
| 10-11-006 | April 2010 |
|
Overview of the Grays-Elochoman and Cowlitz Water Resources Management Program Rules (WAC 173-525 and WAC 173-526)
| 10-11-005 | March 2010 |
|
Preliminary Cost Benefit, Maximum Net Benefit, and Least Burdensome Analyses, Chapter 173-525 WAC: Water Resources Program for the Grays-Elochoman Basin (WRIA 25) and Chapter 173-526 WAC: Water Resources Program for the Cowlitz Basin (WRIA 26)
| 10-11-004 | March 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 |
|
2008 Report to the Legislature - Progress on Watershed Planning and Setting Instream Flows
| 08-06-027 | December 2008 |
|
History of Mercury in Selected Washington Lakes Determined from Age-Dated Sediment Cores: 2007 Sampling Results
| 08-03-012 | May 2008 |
|
Clarks Creek Watershed Fecal Coliform TMDL
| 07-10-110 | May 2008 |
|
Fact Sheet: Emerald Kalama
| 07-07-052 | December 2007 |
|
Washington State Toxics Monitoring Program: Contaminants in Fish Tissue from Freshwater Environments in 2004 and 2005
| 07-03-024 | June 2007 |
|
Condition of Outer Coastal Estuaries of Washington State, 1999 - A Statistical Summary
| 07-03-012 | March 2007 |
|
Measuring Mercury Trends in Freshwater Fish in Washington State: 2005 Sampling Results
| 07-03-007 | February 2007 |
|
Progress on Watershed Planning and Setting Instream Flows
| 05-11-038 | December 2005 |
|
Small Business Economic Impact Statement: Proposed Columbia River Water Management Program Rule
| 04-11-028 | December 2004 |
|
Results and Recommendations from Monitoring Arsenic Levels in 303(d) Listed Rivers in Washington
| 02-03-045 | October 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 |
|
River and Stream Ambient Monitoring Report for Water Year 2000
| 01-03-042 | December 2001 |
|
Water Quality Chapter 8 Technical Assessment
| 12-03-291 | October 2001 |
|
Groundwater Resources Chapter Level 1 Technical Assessment
| 12-03-290 | August 2001 |
|
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 |
|
Washougal River Fish Habitat Analysis Using the Instream Flow Incremental Methodology and the Toe-Width Method for WRIAs 25, 26, 28, and 29
| 99-153 | June 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 | January 1998 |
|
River and Stream Ambient Monitoring Report for Wateryear 1995
| 96-355 | December 1996 |
|
Watershed Briefing Paper for the Lower Columbia Basin Watershed
| 96-338 | September 1996 |
|
Aquatic Plants Technical Assistance Program 1995 Activity Report
| 96-332 | July 1996 |
|
Lake Water Quality Assessment Program, 1993
| 96-304 | January 1996 |
|
Metals Concentrations in Rivers and Streams Dropped from the 1994 Section 303(d) List
| 95-352 | September 1995 |
|
River and Stream Ambient Monitoring Report for Wateryear 1994
| 95-349 | September 1995 |
|
1995 Ambient Biological Assessment Monitoring Implementation Plan
| 95-343 | August 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 |
|
River and Stream Ambient Monitoring Report for Wateryear 1993
| 94-158 | September 1994 |
|
Instream Biological Assessment Monitoring Protocols: Benthic Macroinvertebrates
| 94-113 | June 1994 |
|
Freshwater Ambient Monitoring Report for Wateryear 1992
| 94-70 | May 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 |
|
Whatcom County Hydraulic Continuity Investigation, Part II
| 94-01 | May 1994 |
|
Status of the Water Supply at the Department of Wildlife's Green River Rearing Ponds, Near Kanasket, Washington
| OFTR 94-06 | January 1994 |
|
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 |
|
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 |
|
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 | January 1991 |
|
Water Quality Survey of 25 Citizen-Volunteer Lakes from Washington State
| 90-e03 | March 1990 |
|
Green River Fish Habitat Analysis Using the Instream Flow Incremental Methodology
| 89-035 | July 1989 |
|
Quality and Fate of Fish Hatchery Effluents During the Summer Low Flow Season
| 89-17 | January 1989 |
|
State Water Program: Columbia River Instream Resource Protection Program
| 80-11-004 | June 1980 |
|
Water Resources Management Program Proposed Columbia/Snake System Planning Program
| 78-11-002 | February 1978 |
|
Ostrander Creek - Woodbrook Lagoon Survey.
| 77-e26 | April 1977 |
|
Effects of Receiving Waters of Wastes Discharged from Three Sewage Treatment Plants in Southwest Washington
| 77-6 | January 1977 |
|
Toledo Lagoon.
| 75-e12 | February 1975 |
|
Castle Rock STP Efficiency Study.
| 75-e44 | January 1975 |
|
STP Survey at Vader Sewage Lagoon.
| 75-e43 | January 1975 |
|
Shakertown Corporation, Winlock, Washington.
| 75-e42 | January 1975 |
|
Longview Water Treatment Plant.
| 75-e40 | January 1975 |
|
Kelso Water Treatment Plant.
| 75-e39 | January 1975 |
|
Ryderwood STP Efficiency Study.
| 75-e35 | January 1975 |
|
Efficiency Study at Woodbrook Lagoon.
| 75-e05 | January 1975 |
|
Efficiency Study at Winlock STP.
| 75-e04 | January 1975 |
|
Cowlitz Stud Company at Randle.
| 74-e77 | December 1974 |
|
U.S. Plywood at Morton.
| 74-e76 | December 1974 |
|
Shakertown Corporation at Winlock.
| 74-e75 | December 1974 |
|
Efficiency Study at Winlock STP.
| 74-e72 | April 1974 |
|
Efficiency Study of Toledo Sewage Lagoon.
| 74-e19 | March 1974 |
|
Efficiency Study of Vader Sewage Lagoon.
| 74-e16 | March 1974 |
|
Whitewater Stream Inventory and Streamflow Suitability for Whitewater Canoeing and Kayaking
| 74-11-002 | January 1974 |
|
Silver Lake - Problem Status.
| 73-e83 | December 1973 |
|
Castle Rock Sewage Treatment Plant Survey.
| 73-e56 | December 1973 |
|
Kelso STP Efficiency Survey.
| 73-e28 | November 1973 |
|
Morton Sewage Treatment Plant.
| 73-e25 | October 1973 |
|
Mossyrock Lagoon Efficiency Study. STP Report Form.
| 71-e06 | October 1971 |
|
Geology and Ground Water Resources, Rocky Point Interchange Vicinity Cowlitz County, Washington
| 71-11-009 | June 1971 |