| Title (link to summary) |
Number |
Date (released or updated) |
| Baseline Characterization of Nine Proposed Freshwater Sediment Reference Sites, 2008 | 09-03-032 | July 2009 |
| Frequently Asked Questions - Hanford's Site-Wide Permit | 08-05-007 | June 2009 |
| Quality Assurance Project Plan: Trends Monitoring for Organic PBTs: Revisions for the 2009 Spring Monitoring Effort | 09-03-113 | May 2009 |
| PBT Trend Monitoring: Lead in Suspended Particulate Matter, 2008 | 09-03-020 | May 2009 |
| Washington State Toxics Monitoring Program: Trend Monitoring for Chlorinated Pesticides, PCBs, and PBDEs in Washington Rivers and Lakes, 2007 | 09-03-013 | March 2009 |
| Irrigation Canal Effects on Copper Levels in Water and Sediment of the Mid-Columbia and Wenatchee Rivers | 09-03-005 | February 2009 |
| Voluntary Regional Agreements: Interim Report to the Legislature | 08-11-041 | December 2008 |
| Focus on Water Use Compliance: Watermasters in the Columbia River Basin | 08-11-024 | June 2008 |
| Focus on the Columbia River Basin Water Management Program | 06-11-045 | June 2008 |
| Lake Roosevelt Supplemental Water Releases | 08-11-008 | March 2008 |
| Columbia River Mainstem Off-Channel Storage Study | 07-11-034 | February 2008 |
| Voluntary Regional Agreement: Columbia-Snake River Irrigators Association and the Department of Ecology | 08-11-003 | January 2008 |
| Quality Assurance Project Plan: Wenatchee and Mid-Columbia Basins, Impact of Copper Use on Receiving Waters | 07-03-112 | November 2007 |
| Condition of Outer Coastal Estuaries of Washington State, 1999 - A Statistical Summary | 07-03-012 | March 2007 |
| Frequently Asked Questions about Voluntary Regional Agreements | 06-11-033 | March 2007 |
| Final Programmatic Environmental Impact Statement For The Columbia River Water Management Program (Volume I) | 07-11-009-v1 | February 2007 |
| Final Programmatic Environmental Impact Statement For The Columbia River Water Management Program (Volume II) | 07-11-009-v2 | February 2007 |
| Water Supply Inventory and Long-Term Water Supply and Demand Forecast Legislative Report | 06-11-043 | November 2006 |
| Draft Programmatic Environmental Impact Statement For The Columbia River Water Management Program | 06-11-030 | October 2006 |
| Frequently Asked Questions about the Columbia River Water Management Program | 06-11-014 | June 2006 |
| Reducing Toxic Threats and Cleaning Up Puget Sound | 06-01-001 | March 2006 |
| Concentrations of 303(d) Listed Pesticides, PCBs, and PAHs Measured with Passive Samplers Deployed in the Lower Columbia River | 05-03-006 | March 2005 |
| Marine Fueling and Oil Transfer Practices for Covered Vessels and Ships in Washington | 04-08-005 | December 2004 |
| Small Business Economic Impact Statement: Proposed Columbia River Water Management Program Rule | 04-11-028 | December 2004 |
| Total Maximum Daily Load for Total Dissolved Gas in the Mid-Columbia River and Lake Roosevelt | 04-03-002 | June 2004 |
| Quality Assurance Project Plan: Monitoring 303(d) Listed Pesticides, PCBs, and PAHs in the Lower Columbia River Drainage Using a Semipermeable Membrane Device | 03-03-108 | October 2003 |
| Total Dissolved Gas Monitoring Results Columbia and Snake Rivers, May-July 2002 | 02-03-051 | November 2002 |
| Results and Recommendations from Monitoring Arsenic Levels in 303(d) Listed Rivers in Washington | 02-03-045 | October 2002 |
| Total Maximum Daily Load for Lower Columbia River Total Dissolved Gas | 02-03-004 | September 2002 |
| Quality Assurance Project Plan: Mid Columbia and Snake Rivers Total Dissolved Gas TMDL Field Monitoring | 02-03-067 | 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 |
| Reassessment of Toxicity of Lake Roosevelt Sediments | 01-03-043 | December 2001 |
| River and Stream Ambient Monitoring Report for Water Year 2000 | 01-03-042 | December 2001 |
| Investigation into Recurring Toxicity of the Chinet Company Columbia River Intake | 01-03-030 | September 2001 |
| Quality Assurance Project Plan: Reassessment of Toxicity of Lake Roosevelt Sediments | 01-03-073 | May 2001 |
| Prevention Bulletin 01-01: The Super Rubin | 01-08-002 | January 2001 |
| Water and Sediment Quality in the Vicinity of Cleveland Mine, Hunters Creek Drainage, Stevens County | 00-03-013 | March 2000 |
| Identification of Cleveland Mine Tailing Pile Particulate Matter in Hunters Creek Drainage, Stevens County. Article in the journal, Microscope, Vol 93-105, June 2000. | 00-03-056 | March 2000 |
| Screening Level Investigation of Water and Sediment Quality of Creeks in Ten Eastern Washington Mining Districts, with Emphasis on Metals | 00-03-004 | January 2000 |
| River and Stream Ambient Monitoring Report for Water Year 1997 | 99-332 | August 1999 |
| River and Stream Ambient Monitoring Report for Wateryear 1996 | 98-317 | June 1998 |
| Responsiveness Summary and Concise Explanatory Statemtn of Changes to the Proposed Rules
Amendments to Chapter 173-563 WAC and Chapter 173-531A WAC | 98-901 | March 1998 |
| Polychlorinated Dibenzo-P-Dioxins and Dibenzofurans in Upper Columbia River Suspended Particulate Matter, 1990-1994 | 97-342 | December 1997 |
| Clark County Salmon Creek Wastewater Treatment Plant Class II Inspection | 97-320 | May 1997 |
| Boise Cascade Pulp and Paper Mill Wallula Washington Class II Inspection | 97-302 | 1997 |
| River and Stream Ambient Monitoring Report for Wateryear 1995 | 96-355 | December 1996 |
| Chemical Analysis of Sediments Adjacent to the Canby Road Tire Fire. Memo to Thom Hooper, WA State Dept of Fish & Wildlife. | 96-e09 | July 1996 |
| Aquatic Plants Technical Assistance Program 1995 Activity Report | 96-332 | July 1996 |
| Washington Water Power Company Kettle Falls Generator Station Class II Inspection | 96-320 | April 1996 |
| Washington State Pesticide Monitoring Program: Pesticides and PCBs in Marine Mussels, 1995 | 96-301 | 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 |
| Responsiveness Summary : Amendments to: Chapter 1273-563 WAC Instream Resources Protection Program for the Main Stem Columbia River in Washington State and Chapter 173-564 WAC Water Resources Management Program for the Main Stem of the Snake River | 94-11-001 | December 1994 |
| Contaminant Trends in Lake Roosevelt | 94-185 | November 1994 |
| Vanalco Aluminum (Vancouver) Class II Inspection January 10-12, 1994. | 94-159 | October 1994 |
| Pendleton Woolen Mills Class II Inspection, April 1993 | 94-162 | October 1994 |
| River and Stream Ambient Monitoring Report for Wateryear 1993 | 94-158 | September 1994 |
| Freshwater Ambient Monitoring Report for Wateryear 1992 | 94-70 | May 1994 |
| Boise Cascade Corporation (Vancouver), Class II Inspection February 22-24, 1993 | 94-22 | February 1994 |
| An-Ping #6 Oil Spill - Results of Sediment Sampling | 94-e38 | February 1994 |
| Aluminum Company of America (Wenatchee) December 1992 Class II Inspection | 93-e20 | November 1993 |
| Longview Fibre Company Class II Inspection November 2-3, 1993 | 94-160 | November 1993 |
| Environmental Monitoring for Chemical Warfare Agents | 93-e32 | October 1993 |
| Freshwater Ambient Monitoring Report for Wateryear 1991 | 93-75 | September 1993 |
| City of Chelan Municipal Sewage Treatment Plant Class II Inspection, July 27-29, 1992 | 93-e26 | September 1993 |
| Interim Report on Monitoring Contaminant Trends in Lake Roosevelt | 93-e53 | August 1993 |
| Lower Columbia River Bi-State Water Quality Program: Bacteria Study, November - December 1992 | 93-28 | April 1993 |
| City of Kennewick Wastewater Treatment Plant Class II Inspection, April 1992 | 93-e12 | March 1993 |
| Project Summary for Columbia Aluminum Company, Goldendale, Washington, Class II Inspection, May 1991. | 93-e00 | February 1993 |
| Class II Inspection of the Boise Cascade Pulp & Paper Mill, Wallula, Washington - April 1992 | 93-e33 | February 1993 |
| Approach to Developing Nutrient Loading Criteria for Franklin D. Roosevelt Lake | 92-e62 | 1992 |
| Review of Metals, Bioassay, and Macroinvertebrate Data from Lake Roosevelt Benthic Samples Collected in 1989. Memo to Carl Nuechterlein. | 91-e23 | December 1991 |
| Basic Water Monitoring Program Fish Tissue and Sediment Sampling for 1989 | 91-e14 | October 1991 |
| James River, Camas Pulp and Paper Mill Class II Inspection, June 4-6, 1990 | 91-e01 | August 1991 |
| Results of Screen for EPA Xenobiotics in Sediment and Bottom Fish from Lake Roosevelt (Columbia River). Memo to Carl Nuechterlein. | 91-e24 | July 1991 |
| Metals Concentrations in Lake Roosevelt (Columbia River) Largescale Suckers. Memo to Carl Nuechterlein. | 91-e26 | June 1991 |
| Spatial Trends in TCDD/TCDF Concentrations in Sediment and Bottom Fish Collected in Lake Roosevelt (Columbia River) | 91-29 | June 1991 |
| Metal and Fecal Coliform Concentrations in the Lower Columbia River. Memo to Steve Saunders. | 91-e25 | May 1991 |
| PCDDs and PCDFs in Columbia River Suspended Particulate Matter. Memo to Bob Barwin and Steve Saunders. | 91-e28 | May 1991 |
| Class II Inspection of Weyerhaeuser, Longview Pulp and Paper Mill, April 16-18, 1990 | 91-e00 | April 1991 |
| Longview Fibre Company Class II Inspection | 91-e09 | April 1991 |
| Second Progress Report on Ecology's Dioxin/Furan Survey in the Middle Columbia River. Memo to Gerry Jewett, Bob Barwin, and Carl Nuechterlein, April 9. | 91-e43 | April 1991 |
| Polychlorinated Dioxins and -Furans in Lake Roosevelt (Columbia River) Sportfish, 1990 | 91-4 | March 1991 |
| Bingen-White Salmon Wastewater Treatment Plant Class II Inspection | 91-e12 | February 1991 |
| Reynolds Metal Company Class II Inspection February 1990 | 91-e19 | 1991 |
| Chemical Contaminant Levels in Ground Water, Soil and Sediments from the Chicago Milwaukee Real Estate Corporation Waste Disposal Site. Othello, Washington, July 17-18, 1989. | 91-e40 | 1991 |
| First Progress Report on Ecology's Dioxin/Furan Survey in the Middle Columbia River | 91-e42 | 1991 |
| Port Orchard Wastewater Treatment Plant Class II Inspection, January 1989. Memo to Jacques Faigenblum. | 90-e73 | December 1990 |
| Washington Water Power Generating Station, Kettle Falls, Class II Inspection on July 11-12, 1989. Memo to Ken Merrill. | 90-e69 | December 1990 |
| Aluminum Company of America (ALCOA) Class II Inspection, January 1990 | 90-e72 | December 1990 |
| Second Progress Report on Ecology's Dioxin/Furan Survey in Lake Roosevelt. Memo to Carl Nuechterlein. | 90-e42 | November 1990 |
| Wenatchee Wastewater Treatment Plant Class II Inspection, December 11-13,1989 | 90-e02 | November 1990 |
| Brewster Wastewater Treatment Plant Class II Inspection | 90-e65 | October 1990 |
| First Progress Report on Ecology's Dioxin/Furan Survey in Lake Roosevelt. Memo to Carl Nuechterlein. | 90-e39 | August 1990 |
| Results of the Seafood Processing Plant Survey Conducted in September 1988. Memo to Kathy Cupps, Ecology's Southwest Regional Office. | 90-e49 | May 1990 |
| Vantage Wastewater Treatment Plant Class II Inspection. Memo to Polly Zehm. | 90-e31 | May 1990 |
| Shell Oil's Anacortes Refinery Class II Inspection, February 22-23, 1989 | 90-e67 | March 1990 |
| Results of Screen for Dioxin and Related Compounds in Lake Roosevelt Sportfish. Memo to John Arnquist, Carl Nuechterlein, and Phil Kauzloric. | 90-e46 | February 1990 |
| Survey of Mercury and Dioxin in Lake Roosevelt Sportfish - 1989: Preliminary Results for Mercury. Memo to Carl Nuechterlein and Phil Kauzloric. | 89-e29 | November 1989 |
| Kalama Chemical, Inc. Class II Inspection May 1988 | 89-e18 | July 1989 |
| Treetop, Wenatchee Wastewater Treatment Plant, Class II Inspection. | 89-e45 | June 1989 |
| An Assessment of Metals Contamination in Lake Roosevelt. Ecology Report (1988), Revised 1989 | 89-e26 | 1989 |
| Screening Survey for Chemical Contaminants and Toxicity in Sediments at Five Lower Columbia River Ports, September 22-24, 1987. | 88-e15 | December 1988 |
| Pesticides/PCBs Analysis of McNary Pool Fish. Memo to Russ Taylor. | 88-e16 | September 1988 |
| Screening Survey for Contaminants in Ground Water and Surface Drainage at the Port of Pasco. | 87-e15 | June 1987 |
| Data Report for Samples Collected at Port of Pasco, September 9-10, 1985. Memo to Carl Nuechterlein. | 86-e39 | June 1986 |
| Preliminary Plan for an Investigation of Metals Contamination in the Upper Columbia River/Franklin D. Roosevelt Lake. Memo to Norm Glenn. | 86-e18 | April 1986 |
| Pendleton Woolen Mills Wastewater Treatment Plant Class II Inspection. September 25-26 and December 13-14, 1984. Memo to Jon Neel. | 85-e02 | November 1985 |
| American Cyanamid Waste. Memo to Gary Bailey. | 85-e14 | November 1985 |
| Basic Water Monitoring Program: Fish Tissue and Sediment Sampling for 1984. | 85-7 | November 1985 |
| High Mercury Levels at Northport. Memo to Claude Sappington. | 84-e02 | May 1984 |
| Water Quality Characteristics Within the Dilution Zone Below the Cowlitz County Water Pollution Control Plant Outfall. Memo to Jon Neel. | 82-e09 | November 1982 |
| Industries Directly or Indirectly Discharging into the Columbia River from the Mouth to Bonneville Dam. Memo to Clifford Bosley, US Fish and Wildlife Service. | 82-e22 | March 1982 |
| Mercury Concentrations Detected in Fish Above and Below Cominco Operations in Trail, British Columbia. Letter to Wilbur G. Hallauer, Director from B.E. Marr, Deputy Ministry of Environment, British Columbia. | 80-e11 | November 1980 |
| Pasco Sewage Treatment Plant Class II Inspection. Memo to Phil Williams. | 79-e36 | July 1979 |
| Sandvik Special Metals Class II Inspection. Memo to Al Newman. | 79-e09 | June 1979 |
| Weyerhaeuser Pulp (Longview) Class II Inspection. Memo to Jon Neel. | 78-e28 | October 1978 |
| Water Resources Management Program, John Day & McNary Pools - Columbia River | 78-11-001 | October 1978 |
| Alcoa (Vancouver) Class II Inspection. Memo to Fred Fenske. | 78-e11 | June 1978 |
| Wenatchee STP Class II Inspection. | 78-e12 | May 1978 |
| Weyerhaeuser Chlorine Plant Class II Inspection. Memo to Gerry Calkins. | 78-e14 | March 1978 |
| Cowlitz County Regional STP Class II Inspection. Memo to Gerry Calkins. | 78-e13 | 1978 |
| Weyerhaeuser at Longview Class II Inspection. Memo to Gary Rothwell. | 77-e09 | July 1977 |
| Alcoa Vancouver Class II Inspection. Memo to Gary Rothwell. | 77-e08 | March 1977 |
| Wenatchee STP Class II Inspection. | 76-e49 | December 1976 |
| Weyerhaeuser Pulp Mill (Longview) Class II Inspection. Memo to Gary Rothwell. | 76-e51 | September 1976 |
| Onion Creek Survey, April 4-10, 1976. Memo to Rhys Sterling. | 76-e57 | May 1976 |
| Longview Fibre Company Class II Inspection. Memo to Gary Rothwell. | 76-e22 | April 1976 |
| Underwood Fruit Company at Bingen. Memo to Clar Pratt. | 76-e28 | 1976 |
| Receiving Water Study of City of Bingen Waterfront. Memo to Clar Pratt. | 76-e29 | 1976 |
| Lyle STP Efficiency Study. Memo to Clar Pratt and Jim Milton. | 75-e56 | September 1975 |
| Weyerhaeuser Chlorine Plant at Longview Class II Survey. Memo to Howard Steeley, Vern Meinz, and Gerry Calkins. | 75-e28 | August 1975 |
| Wishram "Lagoon." Memo to Central Region. | 75-e58 | July 1975 |
| Union Collier Chemical. Memo to Central Region. | 75-e57 | July 1975 |
| Vancouver Westside STP Class II Survey. Memo to Gerry Calkins. | 75-e27 | July 1975 |
| Bingen STP Efficiency Study. Memo to Clar Pratt and Jim Milton. | 75-e55 | July 1975 |
| Survey at Boise Cascade at Vancouver. Memo to Mike Palko. | 74-e58 | May 1974 |
| Efficiency Survey Conducted on Bridgeport STP. Memo to John Arnquist and Rhys Sterling. | 74-e34 | April 1974 |
| Survey of Columbia River between Longview and Cathlamet, Washington. Memo to Dick Burkhalter and John Stetson. | 74-e41 | March 1974 |
| Kalama STP Efficiency Survey. Memo to Howard Steeley and Gerry Calkins. | 73-e35 | December 1973 |
| Longview Sewage Lagoon Survey. Memo to Gerry Calkins. | 73-e54 | December 1973 |
| Longview Primary Efficiency Survey. Memo to Gerry Calkins. | 73-e53 | December 1973 |
| Chevron Chemical Survey of October 16, 1973. Memo to John Hodgson and John Arnquist. | 73-e78 | December 1973 |
| Lone Oak Sewage Treatment Plant Efficiency Survey. Memo to Howard Steeley and Gerry Calkins. | 73-e24 | November 1973 |
| Sandvik Special Metals. Memo to John Hodgson and John Arnquist. | 73-e79 | November 1973 |
| Diffuse Outfall Study - Boise Cascade Papers, Wallula, Washington. Memo to Mike Palko. | 73-e81 | July 1973 |
| Industrial Waste Survey - Boise Cascade Papers, Wallula, Washington. Memo to Mike Palko. | 73-e82 | July 1973 |
| Stockdale Inc, STP at Vantage. Memo to John Hodgson. | 73-e67 | July 1973 |
| Survey of Kalama Chemical Incorporated, May 31, 1972. Memo to Nelson Graham. | 72-e30 | July 1972 |
| United Grain Company, Vancouver. Memo to Nelson Graham. | 72-e17 | July 1972 |
| Great Western Malting. Memo to Nelson Graham. | 72-e42 | June 1972 |
| Weyerhaeuser Wood Division Survey, Longview. Memo to Nelson Graham. | 71-e01 | December 1971 |
| Chevron Chemical at Finley, Washington. Memo to Dan Neal | 71-e16 | September 1971 |
| Ridgefield Wildlife Refuge Wetlands Pumping Project. Memo to Nelson Graham. | 71-e15 | March 1971 |
| Weyerhaeuser - Longview Mercury Analysis for Chlorine Plant and Pulp Mill Effluent Samples. Memo to Mr. James C. Willman. | 70-e16 | August 1970 |
| A Report on the Toxic Effects of a Pulp Mill Effluent Entering Camas Slough. Project Report TR 69-5, Water Pollution Control Commission. | 69-e09 | November 1969 |
