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Environmental Assessment (3574 publications 1957-2024)

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Title (link to summary)NumberDate (released or updated)
Identification of Holden Mine Tailing Pile Particulate Matter in Railroad Creek. Article in journal, Microscope, Vol 45:4 155-161 (1997). 97-e13December 1997
Survey of Metals Concentrations in the Similkameen River. 97-e10December 1997
DDT Sources to the Okanogan River and Lake Osoyoos. 97-e09December 1997
Polychlorinated Dibenzo-P-Dioxins and Dibenzofurans in Upper Columbia River Suspended Particulate Matter, 1990-1994 97-342December 1997
Screening Survey for Metals in Fertilizers and Industrial By-Product Fertilizers in Washington State 97-341December 1997
Restover Truck Stop Ground Water Monitoring, February and August 1997 97-340December 1997
Lakewood/Plaza Cleaners July 23-24, 1997 97-339December 1997
Island County Groundwater Nitrate Study 12-03-220December 1997
Survey for Petroleum and Other Chemical Contaminants in the Sediments of Fidalgo Bay 97-338November 1997
Lake Whatcom 303(d) Listing Recommendations 97-e14October 1997
Watershed Briefing Paper for the Eastern Olympic Watershed Water Quality Management Area 97-336October 1997
Watershed Briefing Paper for the Cedar/Green Water Quality Management Area 97-335October 1997
City of Redmond Wellhead Protection Report 12-03-212October 1997
Water Quality Assessment of Tributaries to the Snohomish River and Nonpoint Source Pollution TMDL 97-334September 1997
City of Blaine Wastewater Treatment Plant Class II Inspection 97-333September 1997
Using Invertebrates to Assess the Quality of Washington Streams and to Describe Biological Expectations 97-332September 1997
City of Aberdeen Wastewater Treatment Plant Class II Inspection, March 17-19, 1997 97-331September 1997
Metal Concentrations in the Spokane River During Spring 1997. 97-e02August 1997
Polychlorinated Dibenzo-P-Dioxins and Dibenzofurans in Snake River Suspended Particulate Matter 97-328August 1997
City of Walla Walla Wastewater Treatment Plant Class II Inspection 97-326August 1997
Washington Lakes: A Department of Ecology Update 97-324August 1997
Water Quality in the Wapato Basin of Lake Chelan, Summer 1996 97-323August 1997
Wapato Lake - Pesticide Levels, Sediment Bioassays, and Abundance of Benthic Invertebrates. 97-e05July 1997
1996 Results on PCBs in Upper Spokane River Fish. 97-e04July 1997
Effects of Holden Mine on the Water, Sediments, and Benthic Invertebrates at Railroad Creek (Lake Chelan) 97-330July 1997
Assessment of Cranberry Bog Drainage Pesticide Contamination 97-329July 1997
Kitsap County Mixing Zone Study 97-328aJuly 1997
Budd Inlet Focused Monitoring Report for 1992, 1993 and 1994 97-327July 1997
Lower Skagit River Total Maximum Daily Load Water Quality Study 97-326aJuly 1997
Creation and Analysis of Freshwater Sediment Quality Values in Washington State 97-323aJuly 1997
A Suspended Sediment and DDT Total Maximum Daily Load Evaluation Report for the Yakima River 97-321July 1997
Snohomish River Estuary Dry Season TMDL Study Phase II 97-325June 1997
Lakewood/Plaza Cleaners January 9, 1997 97-324aJune 1997
Stormwater Sediment Trap Monitoring of Discharges to Thea Foss Waterway 97-322May 1997
Clark County Salmon Creek Wastewater Treatment Plant Class II Inspection 97-320May 1997
Aquatic Plants Technical Assistance Program 1996 Activity Report 97-319May 1997
Pesticide Residues in the Kittitas Valley Surficial Aquifer 97-318April 1997
Protocol for Determining the Mean Epilimnetic Total Phosphorus Concentration in the Wapato Basin of Lake Chelan 97-317April 1997
Washington State Marine Water Quality in 1994 and 1995 97-316April 1997
Winter Soil Pore-Water Nitrate at the Deer Park Land Application Site 1995-96 97-308April 1997
Puyallup Basin Treatment Plant Metals Survey 97-303April 1997
City of Tumwater Wellhead Protection Program 12-03-223April 1997
Eastsound Sewer and Water District Orcas Village Wastewater Treatment Plant Class II Inspection 97-314March 1997
Waste Load Allocations for Biochemical Oxygen Demand for Inland Empire Paper Company 97-313March 1997
Lakewood/Plaza Cleaners July 31, 1996 97-312March 1997
Survey of NPDES Compliance Monitoring in Nine States 97-309March 1997
Pesticides Detected in the Walla Walla Drainage, April and June 1996. 97-e03February 1997
Water Quality Assessments of Selected Lakes within Washington State - 1994 97-307February 1997
Chehalis Best Management Practices Evaluation Project, 1995-96 Water Quality Data Report for Bunker/Deep Creek Project Area 97-306February 1997
Chehalis Best Management Practices Evaluation Project, 1996-97 Annual Report 97-305February 1997
Guidance for Conducting Mixing Zone Analyses 97-e12January 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-e08January 1997
Results from Additional Pesticide Sampling in the Walla Walla Drainage, April and May 1997. 97-e06January 1997
Pesticides in Selected Small Streams in the Puget Sound Basin, 1987-1995 97-e00January 1997
Watershed Briefing Paper for the Spokane Water Quality Management Area 97-337January 1997
City of Marysville Wastewater Treatment Plant Class II Inspection 97-304January 1997
Boise Cascade Pulp and Paper Mill Wallula Washington Class II Inspection 97-302January 1997
Persistence and Drift of the Aquatic Herbicide Diquat Following Application at Steilacoom and Gravelly Lakes 97-301January 1997
Beaver/Allen Creek Water Quality Data Report 1995-1996 97-300January 1997
Appendices for: River and Stream Ambient Monitoring Report for Wateryear 1995 96-355appJanuary 1997
Colville River Water Quality: Pollutant Loading Capacity and Recommendations for Total Daily Maximum Loads 96-349January 1997
Quality Report to Management, 1995-1996: Washington State Department of Ecology 96-03-001January 1997