Title (link to summary) | Number | Date (released or updated) |
Inventory of Dams in the State of Washington
| 94-016 | December 2023 |
Quality Assurance Project Plan: Monitoring of Tire Contaminants in Coho Salmon Watersheds
| 23-03-113 | November 2023 |
WRIA 47 Chelan Watershed Water Availability
| 20-11-047 | June 2023 |
Addendum 2 to Quality Assurance Project Plan: Freshwater Fish Contaminant Monitoring Program, 2021: Lake Chelan
| 21-03-117 | September 2021 |
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 |
Quality Assurance Project Plan: Characterization of Metals in Sediment from the Lucerne Basin of Lake Chelan
| 19-03-105 | April 2019 |
Focus on: Lake Chelan Reserve
| 17-11-009 | September 2017 |
Quality Assurance Project Plan: Lake Chelan Water Quality Monitoring Study - Total Phosphorus, Orthophosphate, Ammonia, Nitrate, Nitrite, Total Persulfate Nitrogen, Alkalinity, Total Organic Carbon, Chlorophyll a, pH, Temperature, Specific Conductivity, and Dissolved Oxygen
| 16-10-030 | August 2016 |
Quality Assurance Project Plan: A Long-Term Monitoring Plan to Assess Aquatic Life Uses on Railroad Creek Using Biological Assessment
| 15-03-116 | September 2015 |
Freshwater Fish Contaminant Monitoring Program: Annual Report for 2013
| 15-03-016 | May 2015 |
Focus on Water Availability: Chelan Watershed, WRIA 47
| 11-11-051 | January 2015 |
Freshwater Fish Contaminant Monitoring Program: 2012 Results
| 14-03-020 | May 2014 |
Focus on Chemicals in Fish: Lake Chelan and Wenatchee Basin Fish Tested for Chemicals
| 12-03-024 | March 2012 |
Washington State Toxics Monitoring Program: Freshwater Fish Tissue Component, 2010
| 12-03-023 | March 2012 |
Lake Chelan Wapato Basin Total Phosphorus Total Maximum Daily Load: Water Quality
Effectiveness Monitoring Report
| 11-03-049 | November 2011 |
Focus on Fish Testing: Fish Testing Planned for Lake Chelan and Wenatchee River in 2010
| 10-03-033 | May 2010 |
An Assessment of Washington Lakes: National Lake Assessment Results
| 10-03-029 | April 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 |
Lake Chelan DDT and PCB TMDL: Water Quality Implementation Plan
| 08-10-048 | August 2008 |
Clarks Creek Watershed Fecal Coliform TMDL
| 07-10-110 | May 2008 |
Quality Assurance Project Plan: Lake Chelan Wapato Basin Total Phosphorus TMDL Effectiveness Monitoring, 2007
| 07-03-109 | August 2007 |
Washington State Toxics Monitoring Program: Contaminants in Fish Tissue from Freshwater Environments in 2004 and 2005
| 07-03-024 | June 2007 |
Washington State Toxics Monitoring Program: Toxic Contaminants in Fish Tissue and Surface Water in Freshwater Environments, 2003
| 06-03-019 | May 2006 |
Progress on Watershed Planning and Setting Instream Flows
| 05-11-038 | December 2005 |
Lake Chelan DDT and PCBs in Fish Total Maximum Daily Load Study
| 05-03-014 | June 2005 |
Quality Assurance Project Plan: Total Maximum Daily Load Study for DDT and PCBs in Lake Chelan
| 03-03-105 | July 2003 |
Lake Chelan DDT/PCB Watershed Cleanup Plan
| 03-10-035 | May 2003 |
Water Quality Assessments of Selected Lakes within Washington State: 1997
| 00-03-009 | March 2000 |
Lake Chelan TMDL- A Plan for Keeping it Clean
| 98-2017-WQ | July 1998 |
Aquatic Plants Technical Assistance Program 1997 Activity Report
| 98-311 | April 1998 |
Water Quality in the Wapato Basin of Lake Chelan, Summer 1996
| 97-323 | August 1997 |
Wapato Lake - Pesticide Levels, Sediment Bioassays, and Abundance of Benthic Invertebrates.
| 97-e05 | July 1997 |
Effects of Holden Mine on the Water, Sediments, and Benthic Invertebrates at Railroad Creek (Lake Chelan)
| 97-330 | July 1997 |
Protocol for Determining the Mean Epilimnetic Total Phosphorus Concentration in the Wapato Basin of Lake Chelan
| 97-317 | April 1997 |
Washington State Pesticide Monitoring Program: 1994 Fish Tissue and Sediment Sampling Report
| 96-352 | December 1996 |
Aquatic Plants Technical Assistance Program 1995 Activity Report
| 96-332 | July 1996 |
Washington State Pesticide Monitoring Program: 1994 Surface Water Sampling Report
| 96-305 | February 1996 |
River and Stream Ambient Monitoring Report for Wateryear 1994
| 95-349 | September 1995 |
Watershed Briefing Paper for the Wenatchee Basin Water Resource Inventory Area
| 95-348 | September 1995 |
Aquatic Plants Technical Assistance Implementation Plan - 1995 Field Season
| 95-334 | July 1995 |
Protocols for Determining the Mean Epilimnetic Total Phosphorus Concentration and Secchi Disc Depth in the Wapato Basin of Lake Chelan
| 95-e16 | May 1995 |
1994 Statewide Water Quality Assessment Lakes Chapter - Companion Document to WA State 305(b)
| 95-311 | February 1995 |
Chelan Watershed Assessment Summary
| 95-161 | January 1995 |
Chelan Watershed Initial Assessment
| 95-013 | January 1995 |
Freshwater Ambient Monitoring Report for Wateryear 1991
| 93-75 | September 1993 |
Lake Water Quality Assessment Project, 1990
| 92-124 | January 1993 |
Lake Chelan Total Maximum Daily Load for Total Phosphorus (Memorandum)
| 91-e50 | April 1991 |
Lake Chelan Water Quality Assessment, Executive Summary. Prepared by Harper-Owes
| 89-e37 | January 1989 |
Lake Chelan Water Quality Assessment. Prepared by Harper-Owes.
| 89-e36 | January 1989 |
Morphometry of Lake Chelan.
| 87-1 | January 1987 |
Shoreline Survey and Source Inventory of Wapato Basin, Lake Chelan.
| 86-e29 | July 1986 |
Basic Water Monitoring Program: Fish Tissue and Sediment Sampling for 1984.
| 85-7 | November 1985 |
Lake Chelan Project Proposal.
| 85-e09 | February 1985 |
Chelan Sewage Treatment Plant (STP) Class II Inspection (July 26-27, 1983) and Receiving Water Survey (July 27, 1983 and October 26, 1983).
| 84-e09 | March 1984 |
Lake Chelan "208" Water Quality Study Data Review. Letter from R.W. Beck and Assoc., Seattle, WA to Charles Carelli.
| 82-e12 | June 1982 |
Results of One Day Survey of Lake Chelan.
| 82-e04 | May 1982 |
Review of Lake Chelan Water Quality Study Proposal.
| 80-e14 | October 1980 |
The Water Resources of the Chelan Basin
| OFTR 75-03 | June 1975 |
Inventory and Reconnaissance of Irrigation Districts in the State of Washington
| 74-11-003 | August 1974 |
Chelan STP.
| 72-e24 | September 1972 |
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-e00 | October 1967 |