Publications Home



Supporting Literature for Significant Actions (23 publications 2013-2021)


Title (link to summary)NumberDate (released or updated)
Small Business Economic Impact Analysis for the Fruit Packing General Permit 21-10-029July 2021
Final Regulatory Analyses for Chapter 173-224 WAC, Water Quality Permit Fees 21-10-019June 2021
Wetland Mitigation in Washington State: Part 1 - Agency Policies and Guidance (Version 2) 21-06-003April 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 21-10-005March 2021
Small Business Economic Impact Analysis for Boatyard General Permit 21-10-004March 2021
Preliminary Regulatory Analyses: Chapter 173-224 WAC - WQ Permit Fees 21-10-002March 2021
Small Business Economic Impact Analysis for Upland Finfish Hatching and Rearing General Permit 20-10-043December 2020
Small Business Economic Impact Analysis for the Sand & Gravel General Permit 20-10-032October 2020
Wetland Mitigation in Washington State: Part 1 - Agency Policies and Guidance (Version 2, Draft for Public Review) 20-06-010October 2020
Small Business Economic Impact Analysis (SBEIA) for the Aquatic Plant and Algae Management General Permit 20-10-031September 2020
Small Business Economic Impact Analysis for the Construction Stormwater General Permit, National Pollutant Discharge Elimination System and State Waste Discharge General Permit 20-10-022May 2020
Marine Spatial Plan for Washington’s Pacific Coast 17-06-027June 2018
Preliminary Regulatory Analyses: Chapters 173-18, 173-20, 173-22, 173-26, 173-27 WAC Shoreline Management Act Implementation Rules 17-06-005February 2017
Determining the Ordinary High Water Mark for Shoreline Management Act Compliance in Washington State 16-06-029October 2016
2014 Water Quality Assessment: Citation and Data Sources for RCW 34.05.272 16-03-002January 2016
Preliminary Cost-Benefit Analysis and Least Burdensome Alternative Analysis - Chapter 173-224 WAC, Wastewater Discharge Permit Fees 15-10-030July 2015
Final Environmental Impact Statement Control of Burrowing shrimp using Imidacloprid on Commercial oyster and Clam Beds in Willapa Bay and Grays Harbor, Washington 15-10-013April 2015
Economic Impact Analysis: Draft Aquatic Mosquito Control National Pollutant Discharge Elimination System (NPDES) General Permit 15-10-003March 2015
Washington State Wetland Rating System for Eastern Washington: 2014 Update (Effective January 2015) 14-06-030October 2014
Washington State Wetland Rating System for Western Washington: 2014 Update (Effective January 2015) 14-06-029October 2014
Evaluation of Sampling Design for Monitoring Impacts of the Control of Exotic Eelgrass on Native Eelgrass in Willapa Bay, Washington 13-10-054December 2013
Concise Explanatory Statement, Chapter 173-98 WAC, Uses and Limitations of the Water Pollution Control Revolving Fund 13-10-048November 2013
Concise Explanatory Statement, Chapter 173-224 WAC, Wastewater Discharge Permit Fees 13-10-044October 2013