Title (link to summary) | Number | Date (released or updated) |
Lacamas Creek Bacteria, Temperature and Nutrients Source Assessment Report
| 24-03-005 | March 2024 |
Quality Assurance Project Plan: Soos Creek Temperature, Dissolved Oxygen, and Bacteria TMDL Study
| 23-03-105 | August 2023 |
Addendum: Puget Sound Nutrient Monitoring Project to Quality Assurance Monitoring Plan: Statewide River and Stream Ambient Water Quality Monitoring
| 23-03-102 | August 2023 |
Quality Assurance Monitoring Plan: Statewide River and Stream Ambient Water Quality Monitoring, 2023 revision
| 23-03-106 | April 2023 |
Addendum 3 to Quality Assurance Project Plan: Freshwater Fish Contaminant Monitoring Program 2023, Spokane River
| 23-03-110 | March 2023 |
Standard Operating Procedure EAP009, Version 1.3, Field Collection, Processing, and Preservation of Finfish Samples at the Time of Collection in the Field
| 23-03-202 | February 2023 |
Addendum to Quality Assurance Monitoring Plan: Statewide River and Stream Ambient Water Quality Monitoring, Selected Toxics in the Upper Green River Watershed
| 23-03-101 | February 2023 |
Signal vs Noise for Watershed Health Monitoring Habitat Metrics, 2009-2019
| 22-03-029 | November 2022 |
6PPD in Road Runoff: Assessment and Mitigation Strategies
| 22-03-020 | October 2022 |
Standard Operating Procedure EAP032, Version 2.2: Collection and Analysis of Conductivity Samples
| 22-03-209 | March 2022 |
Standard Operating Procedure EAP106, Version 2.0, Verification and Layout of Sites (Narrow Protocol)
| 22-03-204 | March 2022 |
Standard Operating Procedure EAP114, Version 1.4, Estimating Substrate Sizes and Embeddedness at Major Transects
| 22-03-203 | March 2022 |
Standard Operating Procedure EAP097, Version 1.2, Collection of Longitudinal Stream Depth Profiles
| 22-03-202 | March 2022 |
Quality Assurance Project Plan: Testing the Use of Biofilms to Measure PFAS in the South Fork Palouse River
| 21-03-116 | September 2021 |
Quality Assurance Monitoring Plan: Statewide River and Stream Ambient Water Quality Monitoring
| 21-03-109 | August 2021 |
Quality Assurance Project Plan: Lower Snohomish River Tributaries Fecal Coliform Bacteria Effectiveness Monitoring
| 21-03-107 | May 2021 |
Focus on: Watershed Health Monitoring 2021
| 21-03-004 | March 2021 |
Walla Walla River Basin Bacteria, pH, and Dissolved Oxygen Total Maximum Daily Load: Water Quality Effectiveness Monitoring Report
| 21-03-001 | January 2021 |
Burnt Bridge Creek Watershed Fecal Coliform Bacteria, Temperature, Dissolved Oxygen, and pH: Source Assessment
| 20-03-016 | October 2020 |
Whatcom Creek Fecal Coliform Bacteria Total Maximum Daily Load: Technical Report
| 20-03-015 | September 2020 |
Wide Hollow Creek Temperature, Dissolved Oxygen, and pH Water Quality Study for Aquatic Life, 2013-2014
| 20-03-007 | July 2020 |
Tekoa Wastewater Treatment Plant Dissolved Oxygen, pH, and Nutrients Receiving Water Study
| 20-03-006 | May 2020 |
Quality Assurance Project Plan: Freshwater Fish Contaminant Monitoring Program
| 20-03-106 | April 2020 |
Addendum to Quality Assurance Project Plan for Measuring PCBs in Biofilm, Sediment, and Invertebrates in the Spokane River: Screening Study
| 20-03-103 | March 2020 |
Eastern Padilla Bay Tributaries Fecal Coliform Bacteria Total Maximum Daily Load: Water Quality Study Findings
| 20-03-001 | February 2020 |
Standard Operating Procedure EAP033, Version 2.2: Hydrolab®, DataSonde®, MiniSonde®, and HL4 Multiprobes
| 20-03-201 | January 2020 |
Standard Operating Procedure EAP130, Version 1.0: Short-term Continuous Data Collection with a Multiparameter Sonde, Part 2: Data Processing
| 19-03-230 | December 2019 |
Standard Operating Procedure EAP129, Version 1.0: Short-term Continuous Data Collection with a Multiparameter Sonde, Part 1: Field Procedures
| 19-03-229 | December 2019 |
Standard Operating Procedure EAP109, Version 1.1: Watershed Health Monitoring: Estimating Stream Discharge (Narrow Protocol)
| 19-03-226 | December 2019 |
Focus on: Puget Sound Streams Survey 2020
| 19-03-022 | December 2019 |
Measuring Lead in Suspended Particulate Matter from Washington State Rivers and Streams: 2016 Results
| 19-03-020 | December 2019 |
Eyes Over Puget Sound: Surface Conditions Report — October 30, 2019
| 19-03-076 | November 2019 |
Quality Assurance Project Plan: Upper Yakima River Basin Water Quality Monitoring for Aquatic Life Parameters: Water Temperature, Dissolved Oxygen, and pH
| 19-03-112 | September 2019 |
Quality Assurance Project Plan: Non-Targeted Screening of Toxic Organics in Fish Tissue
| 19-03-111 | September 2019 |
Quality Assurance Project Plan: Assessing Sources of Toxic Chemicals Impacting Juvenile Chinook Salmon
| 19-03-110 | August 2019 |
Standard Operating Procedure EAP019, Version 1.2: Estimating Stream Flows Using a Flume
| 19-03-223 | July 2019 |
Standard Operating Procedure EAP111, Version 1.14: Periphyton Sampling, Processing, and Identification in Streams and Rivers
| 19-03-207 | February 2019 |
Quality Assurance Project Plan: Statewide Survey of Per- and Poly-fluoroalkyl Substances in Washington State Rivers and Lakes
| 16-03-110 | April 2016 |
Yakima River Preliminary Assessment of Temperature, Dissolved Oxygen, and pH
| 16-03-048 | February 2016 |
Addendum to Quality Assurance Monitoring Plan: Stream Ambient Water Quality Monitoring: Correction of Objectives, Responsibilities, and Addition of Analytes.
| 03-03-200-Addendum2 | May 2012 |
Measuring Mercury Trends in Freshwater Fish in Washington State, 2010 Sampling Results
| 11-03-053 | October 2011 |
Mercury and Copper Levels in Leach Creek (Pierce County) During 2009-2010
| 11-03-014 | May 2011 |
Mercury Levels in Gold Mining Reaches on Seven Washington Rivers and Creeks
| 11-03-003 | January 2011 |
Land-Use Effects on Export and Retention of Mercury in the Lake Ozette Watershed
| 10-03-059 | November 2010 |
Perfluorinated Compounds in Washington Rivers and Lakes
| 10-03-034 | August 2010 |
Quality Assurance Project Plan: Lake Ozette Watershed PBT Monitoring: Speciated Mercury in Stream Surface Waters
| 09-03-129 | October 2009 |
Quality Assurance Project Plan: Leach Creek (Pierce County) Mercury and Copper Monitoring.
| 09-03-128 | September 2009 |
Quality Assurance Monitoring Plan: Continuous Monitoring for Oxygen, Temperature, pH, and Conductivity in Statewide Rivers and Streams
| 09-03-122 | September 2009 |
Dobbs Creek Water Quality Monitoring for Fecal Coliform Bacteria
| 09-10-051 | June 2009 |
Addendum to Quality Assurance Monitoring Plan: Stream Ambient Water Quality Monitoring: Correction of Responsibilities and Addition of Analytes.
| 03-03-200ADD1 | August 2007 |
Data Summary: Stillaguamish River Watershed Fecal Coliform, Dissolved Oxygen, pH, Mercury, and Arsenic Total Maximum Daily Load Study
| 04-03-037 | August 2004 |
Quality Assurance Monitoring Plan: Stream Ambient Water Quality Monitoring, Revision of 1995 Version
| 03-03-200 | June 2003 |
Frequently Asked Questions about Mercury in Bass
| 03-03-037 | June 2003 |
Focus on Mercury in Fish: Study finds elevated levels in Washington fish
| 03-03-036 | June 2003 |