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.

See more about this collection...

15 Year Anniversary Infographic

This document celebrates 15 years of the E-Cycle WA program, and includes program data and information.

https://ecology.wa.gov/10-year-anniversary-infographic

Standard Terms and General Conditions

STANDARD TERMS AND CONDITIONS 3 HANFORD SITE AIR OPERATING PERMIT NO. 00-05-006 RENEWAL 3

https://ecology.wa.gov/standard-terms-and-general-conditions

Statement of Basis for BCAA permitting conditions

STATEMENT OF BASIS HANFORD SITE AIR OPERATING PERMIT NO. 00-05-006 RENEWAL 3 ATTACHMENT 3: BENTON CLEAN AIR AGENCY PERMIT

https://ecology.wa.gov/statement-of-basis-for-bcaa-permitting-conditions

Statement of Basis for Ecology permitting conditions

STATEMENT OF BASIS HANFORD SITE AIR OPERATING PERMIT NO. 00-05-006 RENEWAL 3 ATTACHMENT 1: ECOLOGY PERMITS

https://ecology.wa.gov/statement-of-basis-for-ecology-permitting-conditio

Rulemaking proposed language (WAC 173-340) 02/15/23

This is proposed rule language for WAC 173-340, Model Toxics Control Act (MTCA) Cleanup Regulations.

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-340-02-15-23

Statement of Basis for Health permitting conditions

STATEMENT OF BASIS HANFORD SITE AIR OPERATING PERMIT NO. 00-05-006 RENEWAL 3 ATTACHMENT 2: DEPARTMENT OF HEALTH LICENSE

https://ecology.wa.gov/statement-of-basis-for-health-permitting-condition

Statement of Basis for Standard Terms and General Conditions

STATEMENT OF BASIS HANFORD SITE AIR OPERATING PERMIT NO. 00-05-006 RENEWAL 3

https://ecology.wa.gov/statement-of-basis-for-standard-terms-and-general

Supporting Documents - Department of Health License Files

Supporting Documents from the Department of Health License Files

https://ecology.wa.gov/supporting-documents-department-of-health-licens

Stormwater Manual Handout 3

Best Management Practices handout for the stormwater management manual meetings.

https://ecology.wa.gov/swm-3

Supporting Documents - Ecology (PDF Portfolio)

Supporting Documents from Ecology

https://ecology.wa.gov/supporting-documents-ecology-pdf-portfolio

Transmittal Letter

Start of Public Comment Period for the Draft Hanford Site Air Operating Permit (AOP) Renewal 3

https://ecology.wa.gov/transmittal-letter-d05b7b46ed7eb953d4597627837c8259

2023 PPG Awards

This is a list of the awardees of the 2023 Public Participation Grants, including award amount.

https://ecology.wa.gov/2023-ppg-awards

5-6-24 Rule Advisory Committee Meeting Notes

May 6, 2024 meeting notes for the Battery Stewardship Rulemaking advisory committee.

https://ecology.wa.gov/5-6-24-meeting-notes

Common cleanup situations for homeowners and small businesses

Learn about common cleanup situations likely to affect home and small business owners.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/common-cleanup-situations-for-homeowners-small-b

FAQ: Evaluate options to clean up homes and small businesses

These FAQs help homeowners and small businesses evaluate cleanup options and complete cleanup work.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/evaluation-cleanup-for-homeowners-small-busine

FAQ: Investigate and report toxic releases

FAQs to help homeowners and small businesses investigate and report toxic releases.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/investigating-reporting-toxic-releases

Records search checklist

Before buying property, use the records search checklist for due diligence and to know past uses.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/records-search-checklist

Underground storage tank closures

Important information about closing your underground storage tanks.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources/tank-closures

WAC 173-50: Accreditation of Environmental Laboratories

This is the rulemaking page for Chapter 173-50 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-50

Aquatic pesticide permits

Find information about the various aquatic pesticide permits used in our state.

https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits