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.
Spill response plans for Class 2 mobile facilities
We require Class 2 mobile oil-handling facilities in Washington to have a spill response plan.
https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry/spill-response-plans-for-mobile-oil-facilities
Technical manuals
Requirements for technical manuals for vessels with contingency plans.
https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry/technical-manuals
NOx reductions alt text document
Arrow showing past & current NOx reductions in comparison to our goal and future reductions using VW settlement funds
https://ecology.wa.gov/20200407-noxreductionsarrow-alt
Washington State Climate Resilience Strategy Summary - Chinese
Climate Resilience Strategy Summary in Chinese
https://ecology.wa.gov/chinese-climate-resilience-strategy-summary
Washington State Climate Resilience Strategy Summary - English
Climate Resilience Strategy Summary in English
https://ecology.wa.gov/english-washington-state-climate-resilience-strategy-summary
Washington State Climate Resilience Strategy Summary - Spanish
Climate Resilience Strategy Summary in Spanish
https://ecology.wa.gov/spanish-climate-resilience-strategy-summary
Washington State Climate Resilience Strategy Summary - Vietnamese
Climate Resilience Strategy Summary in Vietnamese
https://ecology.wa.gov/vietnamese-climate-resilience-strategy-summary
Contained-in policy for contaminated soil and groundwater
Learn how to reduce cleanup costs by requesting approval under our contained-in policy.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contained-in-determinations
Water rights and dam safety policies, procedures & guidance
Policies, procedures & guidance guide our water right and dam safety work
https://ecology.wa.gov/regulations-permits/plans-policies/water-rights-dam-safety-policies-procedures-guidan
Cleaning up contamination with model remedies
Model remedies are ways to clean up routine, low-risk contaminated sites under MTCA.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/mtca-model-remedies
2020-21 Project Awards: Chehalis River Basin Aquatic Species Restoration Plan
Descriptive list of state grant awards for aquatic habitat restoration projects in the Chehalis Basin
https://ecology.wa.gov/2020-21-asrp-project-list
2021 Areas of Concern map
2021 map showing areas of concern for criteria pollutants
https://ecology.wa.gov/20210806-aoc-map-alt
Chapter 173-925 WAC
This is the rulemaking page for Chapter 173-925 WAC.
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-925
Emergency Planning & Community Right-to-Know Act
Overview of Washington's EPCRA program and general reporting requirements.
https://ecology.wa.gov/regulations-permits/reporting-requirements/emergency-planning-community-right-to-know-act
Policies and guidance for site cleanups
Policies and guidance interpret the MTCA cleanup law and help you clean up contaminated sites.
https://ecology.wa.gov/regulations-permits/plans-policies/toxics-cleanup-policies
Empirical demonstrations under MTCA
Empirical demonstrations can show that applicable groundwater cleanup levels aren’t being exceeded.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/empirical-demonstrations-mtca
Spill management teams
Spill management teams are trained personnel who support spill responses.
https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry/spill-management-teams
Wildlife response service providers
Wildlife response service providers (WRSP) manage wildlife response activities during an oil spill.
https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry/wildlife-response-service-providers
CLARC data tables and other technical information
Download CLARC data tables for information that helps site managers determine cleanup levels.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contamination-clean-up-tools/clarc/data-tables
Environmental impact statement process
Overview about Environmental Impact Statements process under SEPA.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/guide-for-lead-agencies/environmental-impact-statements
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