Regulations & Permits
Use this portal to filter and search for all of our regulatory information.
We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.
Sprague Lake Community Mtg
Sprague Lake Hydrology Analysis Community Kick-Off Meeting November 22, 2022
https://ecology.wa.gov/sprague-lake
Goldendale-Energy-Storage-Project-Draft-EIS-Open-House
Read the online open house for the Goldendale Energy Storage Project draft Environmental Impact Statement.
https://ecology.wa.gov/goldendale-energy-draft-eis-open-house
Adopted rule language (WAC 173-219)
This is adopted rule language for WAC 173-219 Reclaimed Water
https://ecology.wa.gov/adopted-rule-language-wac-173-219-01-23-18
Your Y-Valve and how it works
This is a graphic explaining a Y-Valve and how it works
https://ecology.wa.gov/justine-asohmbom
Floodplain by Design Preproposal 2019-2021
Preproposal application 2019-2021
https://ecology.wa.gov/floodplain-by-design-pre-proposal
Draft Technical Standards (WAC 173-219) 02/16/17
Draft of Part IV Technical Standards for WAC 173-219 - February 16, 2017
https://ecology.wa.gov/draft-technical-standards-wac-173-219-02-16-17
Vessel Sewage System Maintenance Tips
This is an infographics that shows tips on how to properly maintain your boat sewage system
https://ecology.wa.gov/vessel-sewage-system-maintenance-tips
Water Quality funded stormwater facility project Recipient Closeout Report form
Required form for Water Quality funded stormwater facility projects in completing their Recipient Closeout Report
https://ecology.wa.gov/stormwater-facility-project-recipient-closeout-rep
Guidance for the 2-page Summary Report form for all Water Quality funded Facility-type Stormwater projects
The guidance for the required 2-page Summary Report form for all Water Quality funded Facility-type Stormwater projects
https://ecology.wa.gov/stormwater-facility-projects-2-page-summary-guidan
2-page Summary Report form for all Water Quality funded Facility-type Stormwater projects
Required 2-page Summary Report form for all Water Quality funded Facility-type Stormwater projects
https://ecology.wa.gov/stormwater-facility-projects-2-page-summary-templa
Equivalent stormwater manuals for municipal stormwater permits
We provide information for municipal stormwater permittees about equivalent stormwater manuals for Phase I and both the Eastern and Western Washington Phase II municipal stormwater permits.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/stormwater-manuals/equivalent-stormwater-manuals-for-municipal-stormw
Matheson Tri-Gas, Anacortes
We regulate water and hazardous waste activities at the Linde hydrogen plant in Anacortes.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/matheson-anacortes
Puget Sound Energy Ferndale Generating Station
We regulate water and hazardous waste at the PSE Ferndale electricity cogeneration station.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/puget-sound-energy-ferndale-generating-station
U.S. Oil Refinery
We regulate water and hazardous waste at the U.S. Oil and Refining Co. oil refinery in Tacoma.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/us-oil-refining
WestRock, Tacoma
We regulate water, hazardous waste and cleanup at RockTenn's WestRock pulp and paper mill in Tacoma.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/westrock-tacoma
Puget Sound Nutrient General Permit
The voluntary Nutrient General Permit helps WWTPs reduce nutrient pollution in Puget Sound.
https://ecology.wa.gov/regulations-permits/permits-certifications/nutrient-permit
Tesoro Logistics Anacortes Facility
We regulate water and hazardous waste at the Tesoro Logistics operations in Anacortes.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/tesoro-logistics-anacortes
Frequently flooded areas: Critical Areas Ordinance
Frequently flooded areas are covered by Critical Areas Ordinances promoting safety from floods.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-floodplains-critical-areas-ordinanc
Overview of compliance & enforcement at Ecology
View the compliance and enforcement authority we have, and what actions we have recently taken.
https://ecology.wa.gov/regulations-permits/compliance-enforcement/overview-of-compliance-enforcement
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