Publications & Forms

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

Ecology Publications & Forms

Water Quality (1636 publications 1985-2024)