| Title (link to summary) | Number | Date (released or updated) |
|
Preliminary Regulatory Analyses for Chapter 173-446B WAC, Climate Commitment Act Funds Reporting
| 24-14-043 | April 2024 |
|
Small Business Economic Impact Analysis for Draft Water Treatment Plant General Permit; National Pollutant Discharge Elimination System and State Waste Discharge General Permit
| 24-10-018 | March 2024 |
|
Final Regulatory Analyses for Chapter 173-446 WAC, Climate Commitment Act Program Rule
| 24-14-032 | February 2024 |
|
Preliminary Regulatory Analyses for Chapter 173-201A WAC, Water Quality Standards for Surface Waters of the State of Washington
| 24-10-009 | February 2024 |
|
Small Business Economic Impact Analysis for Draft Winery General Permit; State Waste Discharge General Permit for Discharges from Winemaking Facilities
| 24-10-003 | January 2024 |
|
Preliminary Regulatory Analyses for Chapter 173-187 WAC, Financial Responsibility
| 24-08-001 | January 2024 |
|
Final Regulatory Analyses for Chapter 173-201A WAC, Water Quality Standards for Surface Waters of the State of Washington
| 23-10-048 | December 2023 |
|
Final Regulatory Analyses: Chapter 173-443 WAC, Hydrofluorocarbons and Other Fluorinated Greenhouse Gases and Chapter 173-455, Air Quality Fee Rule
| 23-02-111 | November 2023 |
|
Preliminary Regulatory Analyses for WAC 173-408 – Landfill Methane Emissions.
| 23-02-112 | October 2023 |
|
Final Regulatory Analyses for Chapter 173-50 WAC, Accreditation of Environmental Labs
| 23-03-026 | September 2023 |
|
Rule Implementation Plan Chapter 173-50 WAC, Accreditation of Environmental Laboratories
| 23-03-025 | September 2023 |
|
Concise Explanatory Statement for Chapter 173-50 WAC, Accreditation of Environmental Laboratories
| 23-03-024 | September 2023 |
|
Preliminary Regulatory Analyses for Chapter 173-446 WAC, Climate Commitment Act Program Rule
| 23-02-093 | September 2023 |
|
Final Regulatory Analyses for Chapter 173-340 WAC, Model Toxics Control Act Cleanup Regulations
| 23-09-075 | August 2023 |
|
Preliminary Regulatory Analyses for Chapter 173-201A WAC, Water Quality Standards for Surface Waters in the State of Washington
| 23-10-031 | July 2023 |
|
Washington State Wetland Rating System For Western Washington: 2014 Update, Version 2.0
| 23-06-009 | July 2023 |
|
Preliminary Regulatory Analyses for Chapter 173-443 WAC, Hydrofluorocarbons (HFCs) and Chapter 173-455 WAC, Air Quality Fee Rule
| 23-02-081 | July 2023 |
|
Final Regulatory Analyses for Chapter 173-180 WAC, Facility Oil Handling Standards and Chapter 173-184 WAC, Vessel Oil Transfer Advance Notice and Containment Requirements
| 23-08-011 | June 2023 |
|
Preliminary Regulatory Analyses for Chapter 173-925 WAC, Postconsumer Recycled Content in Plastic Containers
| 23-07-031 | May 2023 |
|
Final Regulatory Analyses for Chapter 173-337 WAC, Safer Products Restrictions and Reporting
| 23-04-032 | May 2023 |
|
Preliminary Regulatory Analyses for Chapter 173-50 WAC, Accreditation of Environmental Labs
| 23-03-010 | April 2023 |
|
Preliminary Regulatory Analyses for Chapter 173-224 WAC Water Quality Permit Fees
| 23-10-008 | March 2023 |
|
Final Regulatory Analyses for Chapter 173-455 WAC, Air Quality Fee Rule
| 23-02-013 | March 2023 |
|
Preliminary Regulatory Analyses for Chapter 173-340 WAC, Model Toxics Control Act
| 23-09-066 | February 2023 |
|
Preliminary Regulatory Analyses for Chapter 173-180 WAC Facility Oil Handling Standards and Chapter 173-184 WAC Vessel Oil Transfer Advance Notice and Containment Requirements
| 23-08-001 | January 2023 |
|
Preliminary Regulatory Analyses for Chapter 173-337 WAC, Safer Products Restrictions and Reporting
| 22-04-042 | December 2022 |
|
Final Regulatory Analyses for Chapter 173-423 WAC, Clean Vehicles Program and Chapter 173-400 WAC General Regulations for Air Pollution Sources
| 22-02-066 | December 2022 |
|
Wetland Guidance for Critical Area Ordinance (CAO) Updates: Western and Eastern Washington
| 22-06-014 | October 2022 |
|
Final Regulatory Analyses for Chapter 173-446 WAC, Climate Commitment Act Program
| 22-02-047 | September 2022 |
|
Preliminary Regulatory Analyses for Chapter 173-423 WAC, Clean Vehicles Programs; Chapter 173-400 WAC, General Regulations for Air Pollution Sources
| 22-02-030 | September 2022 |
|
Preliminary Regulatory Analyses for Chapter 173-455 WAC, Air Quality Fee Rule
| 22-02-031 | August 2022 |
|
Preliminary Regulatory Analyses for Chapter 173-424 WAC, Clean Fuels Program Rule and 173-455 WAC, Air Quality Fee Rule
| 22-02-029 | July 2022 |
|
Goldendale Energy Storage Project Draft EIS public meeting handout
| 22-06-010 | June 2022 |
|
Revised Preliminary Regulatory Analyses for Chapter 173-446 WAC, Climate Commitment Act Program
| 22-02-019 | June 2022 |
|
DRAFT Wetland Guidance for Critical Areas Ordinance (CAO) Updates: Western and Eastern Washington
| 22-06-005 | May 2022 |
|
Small Business Economic Impact Analysis for Concentrated Animal Feeding Operation General Permit
| 22-10-008 | April 2022 |
|
Final Regulatory Analyses for Chapter 173-201A WAC, Water Quality Standards for Surface Waters of the State of Washington, Salmon Spawning Habitat Protection
| 22-10-006 | March 2022 |
|
Final Preliminary Regulatory Analyses for Chapter 173-201A WAC, Water Quality Standards for Surface Waters of the State of Washington — Chelan Use Attainability Analysis
| 21-10-034 | July 2021 |
|
Small Business Economic Impact Analysis for the Fruit Packing General Permit
| 21-10-029 | July 2021 |
|
Final Regulatory Analyses for Chapter 173-224 WAC, Water Quality Permit Fees
| 21-10-019 | June 2021 |
|
Wetland Mitigation in Washington State: Part 1 - Agency Policies and Guidance (Version 2)
| 21-06-003 | April 2021 |
|
Preliminary Regulatory Analyses for Chapter 173-201A WAC, Water Quality Standards for Surface Waters of the State of Washington – Chelan River Use Attainability Analysis
| 21-10-005 | March 2021 |
|
Small Business Economic Impact Analysis for Boatyard General Permit
| 21-10-004 | March 2021 |
|
Preliminary Regulatory Analyses: Chapter 173-224 WAC - WQ Permit Fees
| 21-10-002 | March 2021 |
|
Small Business Economic Impact Analysis for Upland Finfish Hatching and Rearing General Permit
| 20-10-043 | December 2020 |
|
Small Business Economic Impact Analysis for the Sand & Gravel General Permit
| 20-10-032 | October 2020 |
|
Wetland Mitigation in Washington State: Part 1 - Agency Policies and Guidance (Version 2, Draft for Public Review)
| 20-06-010 | October 2020 |
|
Small Business Economic Impact Analysis (SBEIA) for the Aquatic Plant and Algae Management General Permit
| 20-10-031 | September 2020 |
|
Small Business Economic Impact Analysis for the Construction Stormwater General Permit, National Pollutant Discharge Elimination System and State Waste Discharge General Permit
| 20-10-022 | May 2020 |
|
Marine Spatial Plan for Washington’s Pacific Coast
| 17-06-027 | June 2018 |
|
Preliminary Regulatory Analyses: Chapters 173-18, 173-20, 173-22, 173-26, 173-27 WAC Shoreline Management Act Implementation Rules
| 17-06-005 | February 2017 |
|
Determining the Ordinary High Water Mark for Shoreline Management Act Compliance in Washington State
| 16-06-029 | October 2016 |
|
2014 Water Quality Assessment: Citation and Data Sources for RCW 34.05.272
| 16-03-002 | January 2016 |
|
Preliminary Cost-Benefit Analysis and Least Burdensome Alternative Analysis - Chapter 173-224 WAC, Wastewater Discharge Permit Fees
| 15-10-030 | July 2015 |
|
Final Environmental Impact Statement Control of Burrowing shrimp using Imidacloprid on Commercial oyster and Clam Beds in Willapa Bay and Grays Harbor, Washington
| 15-10-013 | April 2015 |
|
Economic Impact Analysis: Draft Aquatic Mosquito Control National Pollutant Discharge Elimination System (NPDES) General Permit
| 15-10-003 | March 2015 |
|
Washington State Wetland Rating System for Eastern Washington: 2014 Update (Effective January 2015)
| 14-06-030 | October 2014 |
|
Washington State Wetland Rating System for Western Washington: 2014 Update (Effective January 2015)
| 14-06-029 | October 2014 |
|
Evaluation of Sampling Design for Monitoring Impacts of the Control of Exotic Eelgrass on Native Eelgrass in Willapa Bay, Washington
| 13-10-054 | December 2013 |
|
Concise Explanatory Statement, Chapter 173-98 WAC, Uses and Limitations of the Water Pollution Control Revolving Fund
| 13-10-048 | November 2013 |
|
Concise Explanatory Statement, Chapter 173-224 WAC, Wastewater Discharge Permit Fees
| 13-10-044 | October 2013 |