Topic: Environmental assessment for lakes

This list updated February 07, 2012

Title (link to summary) Number      Date (released or updated)
A study of Eurasian watermilfoil, macroinvertebrates and fish in a Washington lake. Article in Journal of Aquatic Plant Management 49:71-82 (2011).12-03-017February 2012
Background Characterization for Metals and Organic Compounds in Northeast Washington Lakes, Part 2: Fish Tissue11-03-054December 2011
PCB, Dioxin, and Chlorinated Pesticide Sources to Vancouver Lake11-03-063December 2011
Measuring Mercury Trends in Freshwater Fish in Washington State, 2010 Sampling Results11-03-053October 2011
Quality Assurance Project Plan: Black Lake Grocery Groundwater Confirmational Monitoring11-03-114September 2011
White Salmon River Watershed Fecal Coliform Bacteria Attainment Monitoring Study11-03-046August 2011
PBT Chemical Trends in Washington State Determined from Age-Dated Lake Sediment Cores, 2010 Sampling Results11-03-045August 2011
Washington State Toxics Monitoring Program: Monitoring with SPMDs for PBTs in Washington Waters in 200911-03-029May 2011
Spokane River PCB Source Assessment, 2003-200711-03-013May 2011
Frequently Asked Questions on Ecology's Petition Response: How Ecology′s alternative to the Lake Whatcom petition will serve to protect the lake′s water quality11-11-070March 2011
Mercury Concentrations in Lake Ozette Sockeye11-03-017March 2011
Lacamas Creek Fecal Coliform, Temperature, Dissolved Oxygen, and pH Total Maximum Daily Load: Water Quality Study Design (Quality Assurance Project Plan)11-03-102February 2011
Land-Use Effects on Export and Retention of Mercury in the Lake Ozette Watershed10-03-059November 2010
Quality Assurance Project Plan: Trend Monitoring for Organic PBTs in Washington Rivers and Lakes10-03-117October 2010
Quality Assurance Project Plan: Lake Spokane Nutrient Monitoring10-03-120October 2010
Quality Assurance Project Plan: Mercury Screening in Lake Ozette Sockeye10-03-118October 2010
Liberty Lake Source Trace Study Regarding PCB, PBDE, Metals, and Dioxin/Furan - A pilot project for Spokane Basin Source Tracing10-04-027October 2010
Potholes Reservoir: Screening Survey for Dieldrin, Other Chlorinated Pesticides, and PCBs in Fish, Water, and Sediments10-03-053September 2010
Perfluorinated Compounds in Washington Rivers and Lakes10-03-034August 2010
Lower White River Nutrients and pH Study: Data Summary Report10-03-040July 2010
Determination of PBT Chemical Trends in Selected Washington Lakes Using Age-Dated Sediment Cores, 2009 Sampling Results10-03-035June 2010
Mercury Accumulation in Sediment Cores from Three Washington State Lakes: Evidence for Local Deposition from a Coal-Fired Power Plant. Journal article in the Archives of Environmental Contamination and Toxicology.10-03-037May 2010
Green Shorelines for Lakes Washington and Sammamish10-06-008May 2010
An Assessment of Washington Lakes: National Lake Assessment Results10-03-029April 2010
Washington State Toxics Monitoring Program: Trend Monitoring for Chlorinated Pesticides, PCBs, PAHs, and PBDEs in Washington Rivers and Lakes, 200810-03-027April 2010
Audubon Lake′s Connection to Upper Crab Creek (Lincoln County): Source Assessment10-03-013March 2010
PBT Monitoring: PBDE Flame Retardants in Spokane River Fish, 200910-03-015March 2010
General Characterization of PCBs in South Lake Washington Sediments10-03-014March 2010
Errata: Spokane River and Lake Spokane Dissolved Oxygen Total Maximum Daily Load Water Quality Improvement Project07-10-073aFebruary 2010
Frequently Asked Questions: Solving Spokane River′s Dissolved Oxygen Shortage08-10-028January 2010
Quality Assurance Project Plan: Seasonal Water Quality Study of Vancouver Lake Tributaries for PCBs, Dioxin, and Chlorinated Pesticides10-03-101January 2010
Freshwater Algae Control Program Report to the Washington State Legislature09-10-082December 2009
Quality Assurance Project Plan: Lake Ozette Watershed PBT Monitoring: Speciated Mercury in Stream Surface Waters09-03-129October 2009
Quality Assurance Project Plan: White Salmon River Fecal Coliform Bacteria Compliance Monitoring09-03-127September 2009
Mercury Sources to Lake Ozette and Lake Dickey: Highly Contaminated Remote Coastal Lakes, Washington State, USA. Article in the journal, Water, Air, & Soil Pollution, Vol 208, No 1-4, p 275-286.09-03-047September 2009
Baseline Characterization of Nine Proposed Freshwater Sediment Reference Sites, 200809-03-032July 2009
POSTER: Modeling Dissolved Oxygen in Budd Inlet and Capitol Lake09-03-034June 2009
Determination of PBT Chemical Trends in Selected Washington Lakes Using Age-Dated Sediment Cores, 2008 Sampling Results09-03-030June 2009
Effect of Fluridone on Macrophytes and Fish in a Coastal Washington Lake. Article in the Journal of Aquatic Plant Management.09-03-033May 2009
PBT Trend Monitoring: Lead in Suspended Particulate Matter, 200809-03-020May 2009
Quality Assurance Project Plan: Audubon Lake's Connection to Upper Crab Creek (Lincoln County): Source Assessment09-03-112April 2009
What are Riparian Areas?92-br-003April 2009
High-resolution Porewater Sampling Near the Groundwater/Surface Water Interface09-03-017April 2009
Quality Assurance Project Plan: General Characterization of PCBs in South Lake Washington Sediments.09-03-106March 2009
Appendix G. Lake Whatcom Watershed Total Phosphorus and Bacteria Total Maximum Daily Loads: Water Quality Study Findings.08-03-024AppGNovember 2008
Lake Whatcom Watershed Total Phosphorus and Bacteria Total Maximum Daily Loads: Water Quality Study Findings08-03-024November 2008
Appendix B-F. Lake Whatcom Watershed Total Phosphorus and Bacteria Total Maximum Daily Loads: Water Quality Study Findings08-03-024AppB-FNovember 2008
Appendix H. Lake Whatcom Watershed Total Phosphorus and Bacteria Total Maximum Daily Loads: Water Quality Study Findings.08-03-024AppHNovember 2008
Quality Assurance Project Plan: Hangman Creek Watershed Dissolved Oxygen and pH Total Maximum Daily Load Water Quality Study Design08-03-117October 2008
Quality Assurance Project Plan: Screening for Blue-Green Algae Toxins in Lake Fish Tissues.08-03-116October 2008
Measuring Mercury Trends in Freshwater Fish in Washington State: 2007 Sampling Results08-03-027September 2008
Lake Whatcom Model Calibration: Memorandum to the Washington State Department of Ecology09-10-006July 2008
History of Mercury in Selected Washington Lakes Determined from Age-Dated Sediment Cores: 2007 Sampling Results08-03-012May 2008
Lake Whatcom TMDL Model - Partial Rollback Scenarios09-10-012April 2008
Lake Whatcom Models Review09-10-013April 2008
Lake Ballinger Total Phosphorus Total Maximum Daily Load: Water Quality Attainment Monitoring Report08-03-007April 2008
Frequently Asked Questions about Tribal-State agreement to deliver water from Lake Roosevelt to farms, towns and salmon in Eastern Washington07-11-050April 2008
Focus on: The Ground Water Permit ExemptionF-WR-92-104April 2008
Quality Assurance Project Plan: West Medical Lake Total PCBs and Dioxin (2,3,7,8-TCDD) Total Maximum Daily Load08-03-104February 2008
Freshwater Algae Control Program: Report to the Washington State Legislature (2006-2007)07-10-093December 2007
Instream Resources Protection Program — Wenatchee River Basin, Water Resource Inventory Area (WRIA) 45wac173-545December 2007
Newman Lake Total Phosphorus Total Maximum Daily Load: Water Quality Improvement Report06-10-045November 2007
Lake Whatcom Model Recalibration: Memorandum to the Washington State Department of Ecology09-10-009November 2007
Lower Skagit River Tributaries Riparian Vegetation Change Analysis Results07-03-050November 2007
Measuring Mercury Trends in Freshwater Fish in Washington State: 2006 Sampling Results07-03-043September 2007
Quality Assurance Project Plan: Lake Chelan Wapato Basin Total Phosphorus TMDL Effectiveness Monitoring, 200707-03-109August 2007
FINAL Model Report for Lake Whatcom Watershed TMDL Model Project09-10-010July 2007
Similkameen River and Palmer Lake Investigation of Arsenic in Fish Tissue07-03-034June 2007
History of Mercury in Selected Washington Lakes Determined from Age-Dated Sediment Cores: 2006 Sampling Results07-03-019June 2007
Focus On - Measuring Mercury Trends in Freshwater Fish and Lake Sediments in Washington State: 2005-2006 Sampling Results07-03-030June 2007
Quality Assurance Project Plan: A Trend Monitoring Component for Organic PBTs in the Washington State Toxics Monitoring Program07-03-104June 2007
The Impact of Diquat on Macrophytes and Water Quality in Battle Ground Lake, Washington. Article in the Journal of Aquatic Plant Management, 45:35-39.07-03-020April 2007
Lake Campbell and Lake Erie Total Phosphorus Total Maximum Daily Load - Water Quality Effectiveness Monitoring Report07-03-011March 2007
Vancouver Lake PCBs, Chlorinated Pesticides, and Dioxins in Fish Tissue and Sediment07-03-017March 2007
Measuring Mercury Trends in Freshwater Fish in Washington State: 2005 Sampling Results07-03-007February 2007
Lake Whatcom Model calibration with variable stoichiometry in sediments - REVISED: Memorandum to the Washington State Department of Ecology09-10-008February 2007
The Washington Lake Book -- A Handbook for Lake Users97-10January 2007
Quality Assurance Project Plan: Similkameen River and Palmer Lake Investigation of Arsenic in Fish Tissue06-03-118December 2006
Quality Assurance Project Plan: Depositional History of Mercury in Selected Washington Lakes Determined from Sediment Cores.06-03-113October 2006
PCBs, PBDEs, and Selected Metals in Spokane River Fish, 200506-03-025August 2006
PBDEs Flame Retardants in Washington Rivers and Lakes: Concentrations in Fish and Water, 2005-0606-03-027August 2006
Moses Lake Phosphorus-Response Model and Recommendations to Reduce Phosphorus Loading06-03-011June 2006
Washington State Toxics Monitoring Program: Toxic Contaminants in Fish Tissue and Surface Water in Freshwater Environments, 200306-03-019May 2006
Instream Resources Protection Program -- Lower And Upper Skagit Water Resources Inventory Area (WRIA 3 And 4)wac173-503May 2006
Lake Tapps (Pierce County) Monitoring, Final Data Report06-03-006January 2006
Quality Assurance Project Plan: Lake Ballinger Total Maximum Daily Load Effectiveness Monitoring Study06-03-201January 2006
Quality Assurance Project Plan: PCBs and Other Contaminants in Spokane River Fish, 200505-03-120December 2005
Focus on Fecal Coliform Bacteria02-10-010December 2005
Investigation of Petroleum Products in Black Lake Sediment and Surface Water Adjacent to an Underground Storage Tank Site05-03-030September 2005
Wenatchee River Temperature Total Maximum Daily Load Study05-03-011August 2005
Lake Whatcom Water Quality Model09-10-007July 2005
Assessment of Total Dissolved Gas in the Spokane River at Upriver and Little Falls Dams05-03-010July 2005
Lake Chelan DDT and PCBs in Fish Total Maximum Daily Load Study05-03-014June 2005
Nisqually River Basin Fecal Coliform Bacteria and Dissolved Oxygen Total Maximum Daily Load Study05-03-002May 2005
Quality Assurance Project Plan: Investigation of Petroleum Products in Black Lake Sediment and Surface Water from Underground Tanks.05-03-105April 2005
Frequently Asked Questions about Protecting Oxygen in the Spokane River05-10-036March 2005
Lake Whatcom Total Maximum Daily Load Groundwater Study05-03-001January 2005
Quality Assurance Project Plan: Total Maximum Daily Load Effectiveness Monitoring Study: Lakes Erie and Campbell04-03-206September 2004
Whatcom Creek Fecal Coliform Total Maximum Daily Load Study04-03-015August 2004
Verification of 303(d)-listed Sites in Northwest, Central, and Eastern Regions of Washington State04-03-035July 2004
Quality Assurance Project Plan: Lake Tapps Monitoring04-03-204July 2004
Quality Assurance Project Plan: Lake Bacteria Sampling Project04-03-202July 2004
Guide to Healthy Streams, Lakes, and Wetlands for Small Farms and Rural Landowners in Eastern Washington01-10-014July 2004
Cottage Lake Total Maximum Daily Load Analysis: Submittal Report03-10-085June 2004
Total Maximum Daily Load for Total Dissolved Gas in the Mid-Columbia River and Lake Roosevelt04-03-002June 2004
Focus on Lake-Friendly Landscaping04-10-046June 2004
Mercury in Lake Whatcom Sediments: Spatial Distribution, Depositional History, and Tributary Inputs04-03-019June 2004
Nutrient Criteria Development in Washington State - Phosphorus04-10-033May 2004
Trophic State Census of Washington State Lakes by Satellite Imagery04-03-011March 2004
Spokane River and Lake Spokane (Long Lake) Pollutant Loading Assessment for Protecting Dissolved Oxygen04-03-006February 2004
Lower Skagit River Tributaries Temperature Total Maximum Daily Load Study04-03-001January 2004
Focus on Cottage Lake Cleanup Plan04-10-013January 2004
Colville River Dissolved Oxygen Total Maximum Daily Load: Submittal Report03-10-029December 2003
Meeting Notice: Mosquito Control Methods To Be Revised03-10-081October 2003
Aquatic Plants Technical Assistance Program, 2002 Activity Report03-03-033September 2003
Data Summary: Spokane River and Lake Spokane (Long Lake) Pollutant Loading Assessment for Protecting Dissolved Oxygen03-03-023August 2003
Quality Assurance Project Plan: Lake Bacteria Sampling Project03-03-201August 2003
Quality Assurance Project Plan: Wenatchee River Temperature, Dissolved Oxygen, pH, and Fecal Coliform Total Maximum Daily Load, Year 2 Technical Study03-03-106August 2003
TMDL Technical Assessment of DDT and PCBs in the Lower Okanogan River Basin03-03-013July 2003
Focus on Public Involvement with Your Community′s Water Quality03-10-067July 2003
Quality Assurance Project Plan: Total Maximum Daily Load Study for DDT and PCBs in Lake Chelan03-03-105July 2003
Inner Bellingham Bay Contaminated Sediments TMDL: Detailed Implementation Plan03-10-057July 2003
Ecology/Health Responses to Public Comments Received on the Draft Mercury Chemical Action Plan03-03-029June 2003
Mercury in Edible Fish Tissue and Sediments from Selected Lakes and Rivers of Washington State03-03-026June 2003
Focus on Mercury in Fish: Study finds elevated levels in Washington fish03-03-036June 2003
Frequently Asked Questions about Mercury in Bass03-03-037June 2003
Focus on Cleaning Up Water Pollution03-10-040June 2003
Stormwater Management MANUAL for Eastern Washington - FINAL DRAFT - Chapters 1 through 403-10-038AJune 2003
Stormwater Management MANUAL for Eastern Washington - FINAL DRAFT - Chapter 4 Maps03-10-038AmapsJune 2003
Stormwater Management MANUAL for Eastern Washington - DRAFT FINAL - Chapters 5 and 603-10-038BJune 2003
Stormwater Management MANUAL for Eastern Washington - DRAFT FINAL - Chapters 7 and 803-10-038CJune 2003
Stormwater Management MANUAL for Eastern Washington - DRAFT FINAL - Glossary, Bibliography, Cost Analysis, and Response to Comments03-10-038DJune 2003
Focus on Moses Lake Water Cleanup Plan03-10-048May 2003
Investigation of Background Inorganic and Organic Arsenic in Four Washington Lakes03-03-024May 2003
Lake Chelan DDT/PCB Watershed Cleanup Plan03-10-035May 2003
Washington State Toxics Monitoring Program: Toxic Contaminants in Fish Tissue and Surface Water in Freshwater Environments, 200103-03-012March 2003
Sediment Toxicity Near Gas Works Park, Lake Union, Seattle03-03-014March 2003
Focus on National Pollutant Discharge Elimination System (NPDES) Permits for Aquatic Pest Control03-10-007March 2003
Focus on Water Quality Permit Fees03-10-008March 2003
Moses Lake Total Maximum Daily Load Groundwater Study03-03-005February 2003
Washington State Mercury Chemical Action Plan03-03-001February 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
Water Quality Assessments of Volunteer-Monitored Lakes Within Washington State, 1998-199902-03-019December 2002
Appendices for "Water Quality Assessments of Volunteer-Monitored Lakes Within Washington State, 1998-1999"02-03-019appDecember 2002
Quality Assurance Project Plan: Characterization of Groundwater Discharge to Lake Whatcom02-03-082December 2002
Arsenic Concentrations in Three Palmer Lake Sediment Samples02-03-058December 2002
Focus: Lake Whatcom Cleaning up Water Pollution02-10-070December 2002
Effectiveness Monitoring for Total Phosphorus Total Maximum Daily Loads in Fenwick and Sawyer Lakes02-03-054December 2002
A Total Maximum Daily Load Evaluation for Arsenic in the Similkameen River02-03-044November 2002
Analysis of Fish Tissue from Long Lake (Spokane River) for PCBs and Selected Metals02-03-049November 2002
Quality Assurance Project Plan: Screening Survey of Mercury Levels in Edible Fish Tissue from Selected Lakes and Rivers of Washington State02-03-080October 2002
Quality Assurance Project Plan: Woodland Creek Temperature TMDL02-03-077September 2002
Quality Assurance Project Plan: Mercury in Sediments from Lake Whatcom and Surrounding Lakes: Determination of Spatial and Temporal Patterns and Characterization of Tributary Inputs02-03-079September 2002
Stormwater Management MANUAL for Eastern Washington -- DRAFT -- Chapters 1 through 402-10-040ASeptember 2002
Stormwater Management MANUAL for Eastern Washington -- DRAFT -- Chapter 4 Maps02-10-040AmapsSeptember 2002
Stormwater Management MANUAL for Eastern Washington -- DRAFT -- Chapters 5 and 602-10-040BSeptember 2002
Stormwater Management MANUAL for Eastern Washington -- DRAFT -- Chapters 7 and 802-10-040CSeptember 2002
MODEL Municipal Stormwater Management Program for Eastern Washington -- DRAFT -- Chapters 1 through 902-10-041September 2002
MODEL Municipal Stormwater Management Program for Eastern Washington -- DRAFT -- Appendices 9A and 9B02-10-041-9abSeptember 2002
Quality Assurance Project Plan: Investigation of Background Concentrations of Organic and Inorganic Arsenic in Freshwater Fish Tissue in Four Washington Lakes02-03-075September 2002
Water Cleanup Plans: Total Maximum Daily Loads (TMDLs)02-10-038September 2002
Quality Assurance Project Plan: TMDL Technical Assessment of DDT and PCBs in the Okanogan River02-03-070August 2002
Quality Assurance Project Plan: Wenatchee River Temperature, Dissolved Oxygen, and pH Total Maximum Daily Load, Year 1 Technical Study02-03-069July 2002
Quality Assurance Project Plan: Lake Whatcom TMDL Study02-03-074July 2002
Moses Lake Inflow-Outflow Balance: A Component of the Moses Lake Total Phosphorus Total Maximum Daily Load02-03-029June 2002
Journal article: Determining trophic state in Lake Whatcom, Washington (USA), a soft water lake exhibiting seasonal nitrogen limitation. Hydrobiologia 468:107-121, 200202-03-028June 2002
Focus Sheet: Dissolved Oxygen in the Spokane River and Long Lake02-10-002June 2002
Spill Scene Summer 200202-08-006June 2002
Aquatic Plants Technical Assistance Program 2001 Activity Report02-03-025June 2002
Notice: Public comment sought on 303(d) listing policy02-10-025May 2002
Focus Sheet: Cleanup Plan - Wenatchee Watershed Cleanup Plan (TMDL)02-10-023April 2002
Spokane Area Point Source PCB Survey, May 200102-03-009March 2002
Quality Assurance Project Plan: Comparison of Toxicity in Lake Union Sediments Using Molecular DNA Techniques and Conventional Bioassay Measures02-03-089March 2002
Quality Assurance Project Plan: Analysis of Fish from Long Lake, Washington, for PCBs and Selected Metals02-03-088February 2002
2001 Washington State Water Quality Assessment Section 305(b) Report Update01-10-015January 2002
Focus Sheet: Nutrients in Our Lakes and Streams02-10-004January 2002
Focus Sheet: Dissolved Oxygen and the Water Quality Standards02-10-001January 2002
Reassessment of Toxicity of Lake Roosevelt Sediments01-03-043December 2001
Focus Sheet: Burning In and Around Moses Lake (OBSOLETE)01-02-012November 2001
Condition of Freshwaters in Washington State: Technical Appendix01-03-026October 2001
2001 Stormwater Management Manual for Western Washington: Volume I -- Minimum Technical Requirements and Site Planning99-11September 2001
2001 Stormwater Management Manual for Western Washington: Volume II -- Construction Stormwater Pollution Prevention99-12September 2001
2001 Stormwater Management Manual for Western Washington: Volume III -- Hydrologic Analysis and Flow Control Design/BMPs99-13September 2001
2001 Stormwater Management Manual for Western Washington: Volume IV -- Source Control BMPs99-14September 2001
2001 Stormwater Management Manual for Western Washington: Volume V -- Runoff Treatment BMPs99-15September 2001
Aquatic Plants Technical Assistance Program 2000 Activity Report01-03-034September 2001
Periodic Dam Safety Inspection Report: Serenity Lake Dam01-11-014September 2001
Water Quality Assessments of Selected Lakes within Washington State: 199901-03-009July 2001
Chemical Analysis and Toxicity Testing of Spokane River Sediments Collected in October 200001-03-019July 2001
Water Quality Financial Assistance Program -- Funding Overview & Quick Reference01-10-043July 2001
Periodic Dam Safety Inspection Report: Leader Lake Dams01-11-008July 2001
Periodic Dam Safety Inspection Report: Beitey Lake Dam01-11-009July 2001
An Aquatic Plant Identification Manual for Washington's Freshwater Plants01-10-032June 2001
Final Statewide 303(d) Workload Assessment01-03-018May 2001
Quality Assurance Project Plan: Reassessment of Toxicity of Lake Roosevelt Sediments01-03-073May 2001
An Ecological Hazard Assessment for PCBs in the Spokane River01-03-015April 2001
Quality Assurance Project Plan: Moses Lake Phosphorus TMDL Study01-03-075April 2001
Mercury Concentrations in Edible Muscle of Lake Whatcom Fish01-03-012April 2001
Focus Sheet: Riparian Areas00-10-023March 2001
Final Supplemental Environmental Impact Statement For Freshwater Aquatic Plant Management00-10-040February 2001
Focus Sheet: New Water Quality Standards Implementation01-10-006January 2001
Salmon Creek Watershed Bacteria and Turbidity Total Maximum Daily Load -- Submittal Report01-10-007January 2001
The Use of Sediment Cores to Track Persistent Pollutants in Washington State: A Review01-03-001January 2001
Concentrations of Chemical Contaminants and Bioassay Response to Sediments in Salmon Bay, Seattle: Results of Phase III Sampling00-03-053December 2000
Water Quality Assessments of Selected Lakes within Washington State: 199800-03-039December 2000
Lake Washington School District Plant & Facilities #9400-09-010November 2000
Moses Lake Proposed Phosphorus Criterion and Preliminary Load Allocations Based on Historical Review00-03-036October 2000
Saltwater Intrusion in Salmon Bay and Lake Union Sediments00-03-032August 2000
2000 Washington State Water Quality Assessment -- Section 305(b) Report00-10-058August 2000
Review of Sediment Quality Data for the Similkameen River00-03-027July 2000
Focus Sheet: Lake Management Using Herbicides with IPM: Public Review and Open House Forums Planned00-10-034June 2000
Lower Skagit River Fecal Coliform Total Maximum Daily Load Submittal Report -- Water Cleanup Plan00-10-010June 2000
Aquatic Plants Technical Assistance Program 1999 Activity Report00-03-018May 2000
Water Quality Assessments of Selected Lakes within Washington State: 199700-03-009March 2000
Focus Sheet: Salmon Creek water cleanup planning update00-10-013March 2000
Briefing Paper for the Okanogan Watershed, WRIAs 48, 49, 5099-340October 1999
Simpson Northwest Timberlands Temperature Total Maximum Daily Load Submittal99-56October 1999
PCB Concentrations in Fish from Ward Lake (Thurston County) and the Lower Elwha River99-338September 1999
Lake Whatcom Watershed Cooperative Drinking Water Protection Project: Results of 1998 Water, Sediment and Fish Tissue Sampling99-337September 1999
Metals Concentrations in Spokane River Sediments Collected with USGS in 199899-330August 1999
Invasive, Exotic, Aquatic Plants99-05August 1999
Moses Lake Dunes Wastewater Treatment Plant, Class II Groundwater Inspection99-325June 1999
Aquatic Plants Technical Assistance Program 1998 Activity Report99-328June 1999
Spokane River Dissolved Metals Total Maximum Daily Load -- Submittal Report99-49May 1999
Moses Lake (Dunes) Wastewater Treatment Plant Class II Wastewater Inspection April 27-29, 199899-320April 1999
Sun Lakes Trophic Status Assessment Study99-315March 1999
DDT in Osoyoos Lake Fish98-337December 1998
Basic American Foods Class II Groundwater Inspection98-330October 1998
Rocky Ford Creek TMDL Study98-326September 1998
White River Spring Chinook Habitat Guidance -- A Water Quality Management Approach for the Upper White River98-10July 1998
Diquat Concentrations in the Steilacoom Lake Outlet (Chambers Creek)98-322July 1998
Lake Chelan TMDL- A Plan for Keeping it Clean98-2017-WQJuly 1998
Dissolved Oxygen in Lake Whatcom/Trend in the Depletion of Hypolimnetic Oxygen in Basin I 83-9798-313May 1998
Lake Sawyer Water Cleanup Plan (TMDL) for Phosphorus98-2022-WQ1998
South Fork Palouse Water Cleanup Plan (TMDL) for ammonia98-2023-WQ1998
Focus Sheet: Cleaning up the Willapa River98-2031-WQ1998
DDT Sources to the Okanogan River and Lake Osoyoos. Memo to Jim Milton, Central Regional Office.97-e09December 1997
Metal Concentrations in the Spokane River During Spring 1997. Memo to J. Manning and C. Nuechterlein, August 26, 1997.97-e02August 1997
Water Quality in the Wapato Basin of Lake Chelan, Summer 199697-323August 1997
Washington Lakes: A Department of Ecology Update97-324August 1997
Campbell Lake Total Phosphorus Total Maximum Daily Load97-10-201July 1997
Eric Lake Total Phosphorus Total Maximum Daily Load97-10-202July 1997
Effects of Holden Mine on the Water, Sediments, and Benthic Invertebrates at Railroad Creek (Lake Chelan)97-330July 1997
Snohomish River Estuary Dry Season TMDL Study Phase II97-325June 1997
Protocol for Determining the Mean Epilimnetic Total Phosphorus Concentration in the Wapato Basin of Lake Chelan97-317April 1997
Water Quality Assessments of Selected Lakes within Washington State - 199497-307February 1997
Persistence and Drift of the Aquatic Herbicide Diquat Following Application at Steilacoom and Gravelly Lakes97-3011997
Washington State Pesticide Monitoring Program: 1994 Fish Tissue and Sediment Sampling Report96-352December 1996
Spokane River PCB Source Monitoring Follow-up Study November and December 199596-331July 1996
Aquatic Plants Technical Assistance Implementation Plan - 1996 Field Season96-328June 1996
Gibbons Creek Remnant Channel Receiving Water Study96-313April 1996
Washington Water Power Company Kettle Falls Generator Station Class II Inspection96-320April 1996
Results of Pesticide/PCB Monitoring in Chambers/Clover Creek Drainage. Memorandum to Bob Duffy, SWRO, March 15, 1996.96-e07March 1996
Lake Water Quality Assessment Program, 199396-3041996
Lacamas Creek Watershed Total Maximum Daily Load Evaluation96-3071996
Results of Sampling for Copper in Drainages to Sylvia Lake. Memo to Loree Randall, SWRO, January 4, 1996.96-e141996
Periodic Dam Safety Inspection Report - Lake Margaret Dam96-0961996
Washington State Pesticide Monitoring Program: 1993 Fish Tissue Sampling Report95-356October 1995
Watershed Briefing Paper for the Upper and Lower Snake River Water Quality Management Area95-346September 1995
Watershed Briefing Paper for the San Juan Islands Water Resource Inventory Area95-347September 1995
Watershed Briefing Paper for the Wenatchee Basin Water Resource Inventory Area95-348September 1995
Loon Lake Sewer District 4 Treatment Plant Class II Inspection95-341August 1995
Aquatic Plants Technical Assistance Implementation Plan - 1995 Field Season95-334July 1995
Loon Lake Class II Inspection, Groundwater Permit No. ST 801995-319May 1995
Results of Monitoring Copper Sulfate Application to Sylvia Lake95-322May 1995
Protocols for Determining the Mean Epilimnetic Total Phosphorus Concentration and Secchi Disc Depth in the Wapato Basin of Lake Chelan95-e16May 1995
1994 Statewide Water Quality Assessment Lakes Chapter - Companion Document to WA State 305(b)95-311February 1995
Lake Stevens Sewer District Basin Class II Inspection Summary94-e20November 1994
Contaminant Trends in Lake Roosevelt94-185November 1994
Assessment of Declining-Water Levels in Lake Devereaux, Mason County, WA.OFTR 94-08November 1994
Survey of Chemical Contaminants in Ten Washington Lakes94-154September 1994
City of Medical Lake Sewage Treatment Facility Class II Inspection94-156September 1994
Results of 1993 Screening Survey on PCBs and Metals in the Spokane River94-e24July 1994
1992 Budd Inlet Seasonal Monitoring Report94-132July 1994
Lake Water Quality Assessment Program, 1991-199294-46April 1994
Spokane River Basin Class II Inspection at the Liberty Lake Wastewater Treatment Plant94-55April 1994
Woodland Creek Water Quality Assessment Final Report, Ecology Building Project94-62April 1994
Ponderosa Dam Hydrologic AnalysisOFTR 94-03March 1994
Assessment of Declining Water Levels in Lake Devereaux, Mason County, WA94-08 OFTRJanuary 1994
A Citizen′s Manual for Developing Integrated Aquatic Vegetation Management Plans93-0931994
A Citizen's Guide to Understanding & Monitoring Lakes and Streams94-1491994
Forming a Lake Association94-1501994
Periodic Dam Safety Inspection Report Dawn Lake94-0071994
Periodic Dam Safety Inspection. Report Power Lake Dam94-0111994
Periodic Dam Safety Inspection Report, Marcel Lake Dam, King County94-0531994
Dam Safety Inspection - Lacamas/Round Lake Dams94-0601994
Periodic Dam Safety Inspection Report-Rose Lake Dam94-1421994
Yakima Regional Wastewater Treatment Plant Class II Inspection, October 5-7,1992.93-e28November 1993
The High Rock Aquifer Break of October 1993OFTR 95-21October 1993
Meadow Lake Dam Hydrologic AnalysisOFTR 93-04September 1993
Interim Report on Monitoring Contaminant Trends in Lake Roosevelt93-e53August 1993
Persistence and Drift of the Herbicide Endothall Following Applications at Lakeland Village and Gravelly Lakes, Washington93-e51May 1993
Washington State Pesticide Monitoring Program: Reconnaissance Sampling of Surface Waters (1992)93-e09March 1993
Aberdeen Lake Dam Hydrologic AnalysisOFTR 93-02March 1993
Sawyer Lake Total Maximum Daily Load for Phosphorus93-10-201February 1993
Chelan Lake Total Phosphorus Total Maximum Daily Load (TMDL)93-10-204January 1993
Lake Water Quality Assessment Project, 199092-1241993
Clark Fork - Pend Oreille Basin Water Quality Study, A Summary of Findings and a Management Plan93-e541993
Selecting Best Management Practices for Stormwater ManagementWQ-R-93-0111993
Stormwater Erosion and Sediment Control for Small Parcel ConstructionWQ-R-93-0121993
Periodic Dam Safety Inspection Report: Trout Lake Dam92-0841993
Periodic Dam Safety Inspection Report - Aberdeen Lake Dam93-0291993
Controlling Lake Plants With Chemicals92-116December 1992
Survey of Contaminants in Sediments in Lake Union and Adjoining Waters92-e10August 1992
Copper in Sediments from Lake Steilacoom Lake, Pierce County, WA92-e00June 1992
Effects of Polycyclic Aromatic Hydrocarbons (PAHs) in Sediments from Lake Washington on Freshwater Bioassay Organisms and Benthic Macroinvertebrates92-e01June 1992
Results of Sediment Sampling in the J.H. Baxter Cove, Lake Washington - June 1991.92-e50May 1992
Impacts of Eastern State Hospital and Lakeland Village Wastewater Discharges on the Quality of West Medical Lake92-e63March 1992
Evaluation of Bioassay Organisms for Freshwater Sediment Toxicity Testing92-e02February 1992
The Changing Spokane River Watershed: Actions to Improve and Maintain Water Quality. (Chapter in a book.)92-e601992
Approach to Developing Nutrient Loading Criteria for Franklin D. Roosevelt Lake92-e621992
Focus Sheet: Controlling Lake Plants with ChemicalsF-WQ-92-1161992
Focus Sheet: Permission Needed to Put Herbicides in the WaterF-WQ-92-1341992
Periodic Dam Safety Inspection Report: Solmar Lake Dam92-0831992
Review of Metals, Bioassay, and Macroinvertebrate Data from Lake Roosevelt Benthic Samples Collected in 1989. Memo to Carl Nuechterlein.91-e23December 1991
Lake Water Quality Assessment Project, 198991-60November 1991
Results of Screen for EPA Xenobiotics in Sediment and Bottom Fish from Lake Roosevelt (Columbia River). Memo to Carl Nuechterlein.91-e24July 1991
Water Quality Survey of 15 "Volunteer-Monitored" Lakes in Washington State91-e06July 1991
Metals Concentrations in Lake Roosevelt (Columbia River) Largescale Suckers. Memo to Carl Nuechterlein.91-e26June 1991
Spatial Trends in TCDD/TCDF Concentrations in Sediment and Bottom Fish Collected in Lake Roosevelt (Columbia River)91-29June 1991
PCDDs and PCDFs in Columbia River Suspended Particulate Matter. Memo to Bob Barwin and Steve Saunders.91-e28May 1991
Distribution and Significance of Polycyclic Aromatic Hydrocarbons in Lake Washington Sediments Adjacent to Quendall Terminals/J.H. Baxter Site91-e39May 1991
Lake Chelan Total Maximum Daily Load for Total Phosphorus (Memorandum)91-e50April 1991
Polychlorinated Dioxins and -Furans in Lake Roosevelt (Columbia River) Sportfish, 199091-4March 1991
Diagnostic Study of Lake Sawyer, King County, Washington91-e05March 1991
Lake Union Fish Histopathology Study91-e33March 1991
Appendices A and B for: Diagnostic Study of Lake Sawyer, King County, Washington91e05appAB1991
Appendices C and D for: Diagnostic Study of Lake Sawyer, King County, Washington91e05appCD1991
Appendices E, F, and G for: Diagnostic Study of Lake Sawyer, King County, Washington91e05appEFG1991
Periodic Dam Safety Inspection Report - Cascade Lk91-0071991
Periodic Dam Safety Inspection Report: Clear Lake Reservoir, Main Dam and Saddle Dam.91-0551991
Second Progress Report on Ecology's Dioxin/Furan Survey in Lake Roosevelt. Memo to Carl Nuechterlein.90-e42November 1990
Lake Sawyer Hydrogeologic Study--Black Diamond, Washington90-e23October 1990
First Progress Report on Ecology's Dioxin/Furan Survey in Lake Roosevelt. Memo to Carl Nuechterlein.90-e39August 1990
1989 Lakes and Reservoir Water Quality Assessment Program: Survey of Chemical Contaminants in Ten Washington Lakes90-e35May 1990
Copper in Steilacoom Lake. Memo to Steve Saunders.90-e11April 1990
Water Quality Survey of 25 Citizen-Volunteer Lakes from Washington State90-e03March 1990
Diagnostic Study of Myron Lake, Yakima County, Washington, July 1988 through December 198990-e61March 1990
Results of Screen for Dioxin and Related Compounds in Lake Roosevelt Sportfish. Memo to John Arnquist, Carl Nuechterlein, and Phil Kauzloric.90-e46February 1990
Transboundary Metal Pollution of the Columbia River (Franklin D. Roosevelt Lake). Article in Bulletin of Environmental Contamination and Toxicology (1990) 45:703-710.90-e381990
Milfoil - an Aggressive Water Weed90-br-0021990
Survey of Mercury and Dioxin in Lake Roosevelt Sportfish - 1989: Preliminary Results for Mercury. Memo to Carl Nuechterlein and Phil Kauzloric.89-e29November 1989
Lake Sawyer - Black Diamond Waste Load Allocation Evaluation.89-e40September 1989
Eagle Harbor Remedial Investigation Draft Report. Memo to Nigel Blakley.89-e04July 1989
Lake Sawyer Fishkill. Memo to Bob Newman through Greg Pelletier.89-e35June 1989
Pacific Woodtreating Corporation, Class II Inspection89-e47April 1989
Snoqualmie Pass Wastewater Treatment Plant February 9-10, 1988 and March 2, 1988 Class II Inspection Report89-e19March 1989
An Assessment of Metals Contamination in Lake Roosevelt. Ecology Report (1988), Revised 198989-e261989
Lake Chelan Water Quality Assessment. Prepared by Harper-Owes.89-e361989
Lake Chelan Water Quality Assessment, Executive Summary. Prepared by Harper-Owes89-e371989
Metals Concentrations in Fish Caught in Claypit Pond, Whatcom County, WA. Memo to Kevin Fitzpatrick.88-e01October 1988
Duck Lake Ground Water Management Subareawac173-132June 1988
Instream Resources Protection Program–Nooksack Water Resource Inventory Area (WRIA) 1wac173-501June 1988
Instream Resources Protection Program— Cedar–Sammamish Basin, Water Resource Inventory Area (WRIA) 8wac173-508June 1988
Instream Resources Protection Program– Green–Duwamish River Basin, Water Resource Inventory Area (WRIA) 9wac173-509June 1988
Instream Resources Protection Program - Puyallup River Basin, Water Resource Inventory Area (WRIA) 10wac173-510June 1988
Instream Resources Protection Program--Nisqually River Basin, Water Resource Inventory Area (WRIA) 11wac173-511June 1988
Instream Resources Protection Program-chambers- Clover Creeks Basin, Water Resource inventory Area (WRIA) 12wac173-512June 1988
Instream Resources Protection Program–Deschutes River Basin, Water Resource Inventory Area (WRIA) 13wac173-513June 1988
Instream Resources Protection Program–Kennedy– Goldsborough Water Resource Inventory Area (WRIA) 14wac173-514June 1988
Instream Resources Protection Program–Kitsap Water Resource Inventory Area (WRIA) 15wac173-515June 1988
Investigation of Recurrent Coho Salmon Mortality at the Maritime Heritage Fish Hatchery in Bellingham, Washington.88-e24June 1988
Washington State Pesticide Monitoring Program: 1995 Fish Tissue Sampling Report98-312May 1988
Basic American Foods Class II Wastewater Inspection April 27-29, 199899-319April 1988
Black Diamond and Lake Sawyer--Clarification of Our Role in the Water Quality Assessment Project and a Proposed Project Budget. Memo to Myron Saikewicz.88-e231988
The Spokane River Basin: Allowable Phosphorus Loading87-e29September 1987
Morphometry of Lake Chelan.87-11987
Application of the Triad Approach to Freshwater Sediment Assessment: An Initial Investigation of Sediment Quality Near Gas Works Park, Lake Union.86-e41October 1986
Limitations On Use Of Referendum 39 Grant Funds For Water Pollution Abatementwac173-80September 1986
Shoreline Survey and Source Inventory of Wapato Basin, Lake Chelan.86-e29July 1986
Moses Lake Water Quality Data, 1982.86-e26May 1986
Preliminary Plan for an Investigation of Metals Contamination in the Upper Columbia River/Franklin D. Roosevelt Lake. Memo to Norm Glenn.86-e18April 1986
Lake Chelan Project Proposal.85-e09February 1985
Western Processing: Characterization of "Lake Nieuwenhuis" Water Quality and Quantity. Memo to Bob Goodman.84-e41May 1984
Liberty Lake Sewer District Sewage Treatment Plant Class II Inspection, August 30-31, 198384-e47March 1984
Lake Sequalitchew. Memo to John Bernhardt.84-e38March 1984
Liberty Lake WTP Receiving Water Study. Memo to Roger Ray.84-e01February 1984
Water Quality of Crescent Bay Lake, August 1-2, 1983. Memo to Carl Nuechterlein.83-e18November 1983
Capitol Lake Storm Sewer Pipe. Memo to Darrel Anderson.83-e38July 1983
Snake Lake Water Quality Investigation. Memo to Bob Ramsey.83-e41June 1983
Results of Harts Lake Reconnaissance: February 24, 1983. Memorandum to Frank Monahan.83-e37April 1983
Deschutes River/Capitol Lake Water Quality Assessment.82-e23September 1982
The Cause(s) of Continued Hypolimnetic Anoxia in Long Lake, Washington, Following Advances Wastewater Treatment by the City of Spokane.82-31August 1982
Lake Chelan "208" Water Quality Study Data Review. Letter from R.W. Beck and Assoc., Seattle, WA to Charles Carelli.82-e12June 1982
Results of One Day Survey of Lake Chelan. Memo to Dick Cunningham.82-e04May 1982
Capitol Lake Fecal Coliform Levels and Lake Flushing. Memo to John Bernhardt.81-e21October 1981
Fawn Lake Stream Water Quality Data. Letter to Little Skookum Shellfish Growers from Ardea Enterprises.81-e20March 1981
Review of Lake Chelan Water Quality Study Proposal. Memo to John Bernhardt.80-e14October 1980
An Assessment of the Trophic Status of Deer, Loon, and Diamond Lakes80-9July 1980
Chambers-Clover Basin Instream Resources Protection Program79-IRPP-12November 1979
Water Quality in Capitol Lake Olympia, Washington78-e07June 1978
Wapato Lake - Pesticide Levels, Sediment Bioassays, and Abundance of Benthic Invertebrates. Memo to M. Linden and B. Barwin, Central Regional Office.97-e05July 1977
Capitol Lake Draining Operation. Memo to Ron Pine.75-e08August 1975
Baker lake Survey. Memo to Dick Cunningham.75-e60June 1975
Storm Drain at Long Lake. Memo to Gene Asselstine.74-e23December 1974
Resurvey of Unnamed Tributary Adjacent to U&I Sugar Company, Moses Lake, WA. Memo to Rhys Sterling.74-e40April 1974
Moses Lake STP Efficiency STP Study. Memo to Rhys Sterling.74-e39April 1974
Liberty Lake Sewage Treatment Plant. Memo to Howard Bunten.74-e06February 1974
Silver Lake - Problem Status. Memo to Wes Hunter through John R. Raymond.73-e83December 1973
Medical Lake (Lagoon). Memo to Dan Neal, Ron Pine, and Ron Devitt.73-e34July 1973
Investigation of Seepage to a Grant County Watercourse Adjacent to U&I Sugar Company, Moses Lake. Memo to Dan Neal.73-e65April 1973
Data from Survey of Geneva Lake, King Co. Memo to Ron Pine, Pete Hildebrandt73-e301973
The Geohydrology of the Sidney-Molson Lakes Area, Okanogan County, Washingtonoftr 72-01May 1972
Horseshoe Lake Survey, Woodland: RE: Memo from Nelson Graham dated October 12, 1971. Memo to Nelson Graham.71-e24December 1971
Barn Lot Waste Discharge to a Tributary of Omak Lake. Memo to Tom Haggerty- Warren Myers.71-e14April 1971
Eutrophication: Liberty Lake and Silver Lake Complaints. Memo to Tom Haggerty.70-e14October 1970
Liberty Lake - Point Discharge Complaint. Memo to Dan Neal.69-e07November 1969
The Effects of the Holden Mine Tailings upon the Aquatic Insect Fauna of Railroad Creek, a Tributary to Lake Chelan. Technical Report No. 67091.67-e00October 1967

Last updated February 07, 2012