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Environmental Assessment (3561 publications 1957-2024)

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Title (link to summary)NumberDate (released or updated)
Technical Memorandum (Task 8B) Effects of Exempt Wells on Baseflows Washougal 12-03-294December 2003
Technical Memorandum (Task 8A) EF Lewis Ground Water and Surface Water Relationships 12-03-293December 2003
Quality Assurance Project Plan: Stormwater Quality Survey of Western Washington Log Yards 03-03-113December 2003
Quality Assurance Project Plan: Verification of 303(d) Listed Sites in Northwest, Central, and Eastern Regions of Washington State 03-03-112December 2003
Oceanographic Changes in Puget Sound and the Strait of Juan de Fuca during the 2000-01 Drought. Article in Canadian Water Resources Journal, Vol. 28, No. 4, p. 715-728 (2003). 03-03-053December 2003
Continuous Temperature Sampling Protocols for the Environmental Monitoring and Trends Section 03-03-052December 2003
Lakewood Plaza Cleaners, February and September 2003 Groundwater Monitoring Results 03-03-050December 2003
Foster Creek, Lower Moses Coulee Level 2 Hydrogeologic Assessment 12-03-316November 2003
Quality Assurance Project Plan: Stormwater Quality Survey of Western Washington Construction Sites 03-03-111November 2003
Chemical Contamination, Acute Toxicity in Laboratory Tests, and Benthic Impacts in Sediments of Puget Sound: A summary of results of the joint 1997-1999 Ecology/NOAA survey 03-03-049November 2003
Quality Assurance Project Plan: Little Squalicum Creek Biological Toxicity Assessment 03-03-110October 2003
Quality Assurance Project Plan: Groundwater Assessment Program Pilot Study, Phase 1 03-03-109October 2003
Quality Assurance Project Plan: Monitoring 303(d) Listed Pesticides, PCBs, and PAHs in the Lower Columbia River Drainage Using a Semipermeable Membrane Device 03-03-108October 2003
Quality Assurance Project Plan: Total Maximum Daily Load Study for PCBs in the Spokane River 03-03-107October 2003
Padden Creek Pesticide Study: Final Report 03-03-048October 2003
Palermo Wellfield Superfund Site Subdrain System and Treatment Lagoon Status Report, December 2002 and May 2003 03-03-046October 2003
Aquatic Plants Technical Assistance Program, 2002 Activity Report 03-03-033September 2003
Quality Assurance Project Plan: Lake Bacteria Sampling Project 03-03-201August 2003
Quality Assurance Project Plan: Wenatchee River Temperature, Dissolved Oxygen, pH, and Fecal Coliform Total Maximum Daily Load, Year 2 Technical Study 03-03-106August 2003
Data Summary: Spokane River and Lake Spokane (Long Lake) Pollutant Loading Assessment for Protecting Dissolved Oxygen 03-03-023August 2003
Total Maximum Daily Load for Lower Snake River Total Dissolved Gas 03-03-020August 2003
Aquifer Storage and Recovery Evaluation Report 12-03-284July 2003
Data Collection and Management, Island County 12-03-273July 2003
South King County GWM Plan, Supplement 1 - Area Characterization 12-03-203July 2003
Quality Assurance Project Plan: TMDL Effectiveness Monitoring and Water Quality Evaluation in the Lower Yakima River 04-03-203July 2003
Quality Assurance Project Plan: Total Maximum Daily Load Study for DDT and PCBs in Lake Chelan 03-03-105July 2003
Groundwater Quality in the Central Ahtanum Valley, Yakima County, March 2001 - December 2002 03-03-040July 2003
Symposium Article: Total Maximum Daily Load Effectiveness Monitoring Strategy for Washington State 03-03-039July 2003
Shelton Laundry & Cleaners, July 2002 through April 2003 Groundwater Monitoring Results 03-03-038July 2003
Multi-Metric Index Development for Biological Monitoring in Washington State Streams 03-03-035July 2003
TMDL Technical Assessment of DDT and PCBs in the Lower Okanogan River Basin 03-03-013July 2003
Data Appendixes B, C, and D: Totten and Eld Inlets Clean Water Projects, Final Report 03-03-011July 2003
Totten and Eld Inlets Clean Water Projects, Final Report 03-03-010July 2003
Little and Middle Spokane River Level 1 Assessment Report - Appendix D Groundwater Information 12-03-340June 2003
Technical Memo Review of Groundwater Nitrate Studies, Walla Walla WQ Assessment 12-03-306June 2003
Candidate Sites for Walla Walla Basin Shallow Aquifer Storage And Release Projects 12-03-305June 2003
Quality Assurance Project Plan: 2003 BEACH Pilot Project 03-03-202June 2003
Quality Assurance Monitoring Plan: Stream Ambient Water Quality Monitoring, Revision of 1995 Version 03-03-200June 2003
Frequently Asked Questions about Mercury in Bass 03-03-037June 2003
Focus on Mercury in Fish: Study finds elevated levels in Washington fish 03-03-036June 2003
Pesticide Reduction Evaluation for Cranberry Bog Drainage in the Grayland Area 03-03-034June 2003
River and Stream Ambient Monitoring Report for Water Year 2002 03-03-032June 2003
Condition of Fresh Waters in Washington State for the Year 2002: Technical Appendix 03-03-031June 2003
Condition of Fresh Waters in Washington State for the Year 2002 03-03-030June 2003
Ecology/Health Responses to Public Comments Received on the Draft Mercury Chemical Action Plan 03-03-029June 2003
Effectiveness Monitoring for Fecal Coliform Total Maximum Daily Loads in Pipers Creek 03-03-027June 2003
Mercury in Edible Fish Tissue and Sediments from Selected Lakes and Rivers of Washington State 03-03-026June 2003
South Prairie Creek Bacteria and Temperature Total Maximum Daily Load Study 03-03-021June 2003
Entiat Subbasin Hydrograph Separation Analysis 12-03-323May 2003
Quality Assurance Project Plan: Washington State Surface Water Monitoring Program for Pesticides in Salmonid Habitat for Two Index Watersheds: A Study for the Washington State Department of Agriculture by the Washington State Department of Ecology 03-03-104May 2003
Investigation of Background Inorganic and Organic Arsenic in Four Washington Lakes 03-03-024May 2003
Strategic Recommendations for Groundwater Assessment Efforts of the Environmental Assessment Program 03-03-009May 2003
Quality Assurance Project Plan: Total Maximum Daily Load Study for DDT Contamination and Transport in the Lower Mission Creek Basin, Chelan County, Washington 03-03-103April 2003
Flow Summary for Gaging Stations on the Stillaguamish River and Selected Tributaries, May through October 2001 03-03-019April 2003
Don't Mess with Mercury 03-03-018April 2003
Groundwater Quality in the Agnew and Carlsborg area, Clallam County, December 2000 - September 2002 03-03-017April 2003
Verification of 1998 303(d) PCB Listing, Inner Budd Inlet 03-03-016April 2003
Quality Assurance Project Plan: Spokane River Total Dissolved Gas Total Maximum Daily Load Evaluation 03-03-102March 2003
Quality Assurance Project Plan: Addendum to Operation and Maintenance Manual of the Treatment Lagoon, Palermo Wellfield Superfund Site 03-03-101March 2003
Groundwater/Surface Water Interactions in the Upper Sammamish River: A Preliminary Analysis 03-03-015March 2003
Sediment Toxicity Near Gas Works Park, Lake Union, Seattle 03-03-014March 2003
Washington State Toxics Monitoring Program: Toxic Contaminants in Fish Tissue and Surface Water in Freshwater Environments, 2001 03-03-012March 2003
Quality Assurance Project Plan: Henderson and Nisqually TMDL Study 03-03-100February 2003
Total Mercury Concentrations among Fish and Crayfish Inhabiting Different Trophic Levels in Lake Whatcom, Washington. Article in Journal of Freshwater Ecology, Volume 71, Number 4, p. 621-633, December 2002. 03-03-008February 2003
Lakewood Plaza Cleaners, February and August 2002 Groundwater Monitoring Sampling Results 03-03-007February 2003
Moses Lake Total Maximum Daily Load Groundwater Study 03-03-005February 2003
Norfolk Combined Sewer Overflow (Duwamish River) Sediment Cap Recontamination, Phase I Investigation 03-03-004February 2003
Washington State Mercury Chemical Action Plan 03-03-001February 2003
Effectiveness Monitoring for Dioxin Total Maximum Daily Loads in Western Washington 03-03-002January 2003