Publications Home



Water Quality (1652 publications 1985-2024)

2024 · 2023 · 2022 · 2021 · 2020 · 2019 · 2018 · 2017 · 2016 · 2015 · 2014 · 2013 · 2012 · 2011 · 2010 · 2009 · 2008 · 2007 · 2006 · 2005 ·
2004 · 2003 · 2002 · 2001 · 2000 · 1999 · 1998 · 1997 · 1996 · 1995 · 1994 · 1993 · 1992 · 1991 · 1990 · 1985 ·

Title (link to summary)NumberDate (released or updated)
Water Quality Program Quality Assurance Project Plan (QAPP) Template for Water Quality Components of Required Feasibility Studies for Managed Aquifer Recharge (MAR) Projects 19-10-050December 2019
Final Regulatory Analyses for Chapter 173-201A WAC, Water Quality Standards for Surface Waters of the State of Washington 19-10-049December 2019
Rule Implementation Plan - Chapter 173-201A WAC Water Quality Standards for Surface Waters of the State of Washington 19-10-048December 2019
Concise Explanatory Statement - Chapter 173-201A WAC - Water Quality Standards for Surface Waters of the State of Washington - Summary of rulemaking and response to comments 19-10-047December 2019
Final Environmental Impact Statement - Washington State's Changes to Water Quality Standards for Surface Waters of the State of Washington – WAC 173-201A 19-10-046December 2019
Spokane River Variances 19-10-043November 2019
Mapping Guidance for Municipal Stormwater Permittees 19-10-041November 2019
Developing a Solid Waste Control Plan 07-10-024November 2019
Quality Assurance Project Plan - Puyallup River Tributaries Effectiveness Monitoring 19-10-040October 2019
Annual Report Washington’s Clean Water State Revolving Fund (CWSRF) SFY19 19-10-039October 2019
2019 Updates to Recreational Use Water Quality Standards 19-10-037August 2019
Small Business Economic Impact Analysis for the National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge General Permit - Draft General Permit for Vessel Deconstruction 19-10-036August 2019
Recent Changes to Wastewater Operator Certification 19-10-035August 2019
Focus On: Water Quality Permitting to Control Nutrients in Puget Sound 19-10-033August 2019
Funding Guidelines State Fiscal Year 2021 Water Quality Financial Assistance 19-10-032August 2019
2019 Stormwater Management Manual for Eastern Washington (SWMMEW) 18-10-044August 2019
Focus on Graywater and Sewage Discharges from Recreational Vessels 10-10-062August 2019
2019-21 Municipal Stormwater Capacity-Building Grants 19-10-034July 2019
Preliminary Regulatory Analyses for Chapter 173-201A WAC (revisions), Water Quality Surface Water Standards of the State of Washington. 19-10-031July 2019
Concise Explanatory Statement: Chapter 173-230 WAC, Certification of Operators of Wastewater Treatment Plants 19-10-029July 2019
Rule Implementation Plan: Chapter 173-230 WAC, Certification of Operators of Wastewater Treatment Plants 19-10-028July 2019
Draft Rule Implementation Plan Chapter 173-201A WAC (revisions) Water Quality Standards for Surface Waters of the State of Washington 19-10-024July 2019
Draft Environmental Impact Statement Washington State's Proposed Changes to Water Quality Standards for Surface Waters of the State of Washington - WAC 173-201A 19-10-022July 2019
2019 Stormwater Management Manual for Western Washington 19-10-021July 2019
Stormwater Management Action Planning Guidance 19-10-010July 2019
Final Concise Explanatory Statement - Ch. 173-224 WAC WQ Permit Fees 19-10-030June 2019
State Fiscal Year 2020 Final Water Quality Funding Offer List and Intended Use Plan 19-10-027June 2019
Rule Implementation Plan Ch. 173-224 WAC WQ Permit Fees 19-10-026June 2019
Final Regulatory Analyses for Chapter 173-224 WAC, Water Quality Permit Fees 19-10-025June 2019
Final Regulatory Analyses for Chapter 173-230 WAC, Certification of Operators of Wastewater Treatment Plants 19-10-023June 2019
Small Business Economic Impact Analysis for the Draft Industrial Stormwater National Pollutant Discharge Elimination System (NPDES) General Permit. 19-10-011May 2019
Environment Education Guide: Protecting Washington’s waters from stormwater pollution 07-10-058May 2019
Focus Sheet: Fee Discount during Innovative Process Testing 19-10-020March 2019
Final Environmental Impact Statement Short-term modification of the total dissolved gas criteria in the Snake and Columbia Rivers 19-10-019March 2019
Small Business Economic Impact Analysis for the Zostera japonica Management on Commercial Clam Beds in Willapa Bay General Permit 19-10-018March 2019
Preliminary Regulatory Analyses for Chapter 173-230 WAC, Certification of Operators of Wastewater Treatment Plants 19-10-016March 2019
Small Business Economic Impact Analysis for the Draft Aquatic Mosquito Control National Pollutant Discharge Elimination System (NPDES) General Permit 19-10-015March 2019
Preliminary Regulatory Analyses for Chapter 173-224 WAC, Water Quality Permit Fees 19-10-017February 2019
2019 Updates to UIC Well Requirements 19-10-014February 2019
Domestic Wastewater Treatment Technology 19-10-012February 2019
Reclaimed Water Facilities Manual: The Purple Book 15-10-024February 2019
Draft Environmental Impact Statement Short-term modification of total dissolved gas criteria in the Snake and Columbia Rivers 19-10-013January 2019
Clean Water Grants and Loans 19-10-005January 2019
State Fiscal Year 2020 Draft Water Quality Funding Offer List and Intended Use Plan 19-10-004January 2019
Concise Explanatory Statement Chapter 173-201A WAC Water Quality Standards for Surface Waters of the State of Washington 18-10-043January 2019
Rule Implementation Plan - Chapter 173-201A Water Quality Standards for Surface Waters of the State of Washington 18-10-042January 2019
Final Environmental Impact Statement - Washington State's Changes to Water Quality Standards for Surface Waters of Washington State - WAC 173-201A 18-10-041January 2019
Final Regulatory Analyses - Chapter 173-201A WAC Water Quality Standards for Surface Waters of the State of Washington 18-10-037January 2019