Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

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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.

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Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

Regulations & Permits icon

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...
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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