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.
Chapters 173-441 and 173-446 WAC – Electricity Markets
This is the rulemaking page for Chapter 173-441 WAC and Chapter 173-446 WAC.
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-441-446
Air monitoring network
Ecology's air monitoring network provides local air quality conditions.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/air-quality-monitoring-network
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
State Environmental Policy Act (SEPA)
We provide information about the State Environmental Policy Act (SEPA).
https://ecology.wa.gov/regulations-permits/sepa/environmental-review
Advance notice of oil transfer
We require certain types of facilities and vessels to tell us in advance when transferring oil.
https://ecology.wa.gov/regulations-permits/reporting-requirements/advance-notice-of-oil-transfer
Determining if areas in Washington meet national air quality standards
We determine whether areas in Washington meet national air quality standards.
https://ecology.wa.gov/regulations-permits/plans-policies/areas-meeting-and-not-meeting-air-standards
Biosolids laws, rules, and support documents
See Washington's biosolids laws, the administrative rules we operate under, and support documents.
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/biosolids-laws-rules-and-support-documents
Rulemaking at Ecology
Find out about our rulemaking activities.
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking
Aquatic weed control technical assistance
We provide advice on identifying, monitoring, and managing invasive freshwater aquatic plants.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/aquatic-weed-control-technical-assistance
Spill prevention inspections for facilities
We inspect oil facilities to provide technical assistance and ensure rule compliance.
https://ecology.wa.gov/regulations-permits/compliance-enforcement/facility-spills-prevention-inspections
Air quality emissions reporting
Emissions reporting for industrial air pollution.
https://ecology.wa.gov/regulations-permits/reporting-requirements/air-quality-emissions-reporting
Municipal stormwater permit compliance assurance program
We use a proactive approach to ensuring the permits are implemented and effective.
https://ecology.wa.gov/regulations-permits/compliance-enforcement/municipal-stormwater-compliance-assurance-program
Requirements for submitting cleanup site data
You must submit your lab data electronically through EIM.
https://ecology.wa.gov/regulations-permits/reporting-requirements/data-submittal-requirements-for-cleanup-sites
Better Brakes Law: Guidance for manufacturers
Guidance for manufacturers on Washington's Better Brakes regulations.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/better-brakes-guidance
Contingency planning for oil industry
Oil-handling operations must have contingency plans describing how they would respond to oil spills.
https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry
Noise pollution
Learn more about how to manage noise pollution.
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/noise-pollution
Operations manual requirements
Operations manuals help prevent spills during the transfer, storage, and handling of oil.
https://ecology.wa.gov/regulations-permits/plans-policies/operations-manual-for-regulated-facilities
Oil transfers and transfer inspections
Our oil-transfer requirements help prevent spills during bulk-oil transfers.
https://ecology.wa.gov/regulations-permits/compliance-enforcement/oil-transfers
Tools for cleaning up petroleum contaminated sites
We have online tools and guidance to help you clean up petroleum-contaminated sites.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/clean-up-petroleum-contamination
Pre-booming, alternative measures, and equivalent compliance
Oil-transfer operations must include protective measures to contain potential spills.
https://ecology.wa.gov/regulations-permits/compliance-enforcement/pre-booming-requirements
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