Regulations & Permits

We oversee many state and federal laws designed to checklist icon 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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Air quality 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

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

Online tools for cleaning up sites

We have online tools and statistical packages to help you clean up contaminated sites.

https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Contamination-clean-up-tools

Determining if areas in Washington meet national air quality standards

Ecology determines whether areas in Washington meet national air quality standards.

https://ecology.wa.gov/Regulations-Permits/Plans-policies/Areas-meeting-and-not-meeting-air-standards

Our air quality implementation plan

The State Implementation Plan is an overarching plan to keep air clean.

https://ecology.wa.gov/Regulations-Permits/Plans-policies/State-implementation-plans

Geographic Response Plans (GRPs)

GRPs, a Northwest Area Contingency Plan tool, guide early, localized actions when oil spills happen.

https://ecology.wa.gov/Regulations-Permits/Plans-policies/Contingency-planning-for-oil-industry/Geographic-response-plans-for-oil-spills

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

Safe and effective threshold determination reports

Safe and effective reports establish conditions for protecting open water with oil containment boom.

https://ecology.wa.gov/Regulations-Permits/Plans-policies/Safe-effective-threshold-determination-reports

Oil spill prevention plans for facilities

Oil spill prevention plans reduce the risk of oil spills at large refineries and marine terminals.

https://ecology.wa.gov/Regulations-Permits/Plans-policies/Spills-prevention-plans-for-facilities

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

Information for air monitoring professionals

Standard procedures, quality assurance, and monitoring guidance for air monitoring professionals.

https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Information-for-air-monitoring-professionals

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

Best Achievable Protection for spill response

Best Achievable Protection (BAP) is training, operations, and technologies for successful responses.

https://ecology.wa.gov/Regulations-Permits/Plans-policies/Contingency-planning-for-oil-industry/Best-Achievable-Protection

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

Dam construction & modification guidance

We provide guidance and technical notes for dam construction and modification.

https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Dam-construction-modification-guidance

Dam operation & maintenance guidance

We provide guidance to assist dam owners with operations and maintenance.

https://ecology.wa.gov/programs/wr/dams/GuidanceDocs.html

Dangerous waste guidance

Businesses in Washington are required to follow the state Dangerous Waste Regulations.

https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Dangerous-waste-guidance

E-Cycle WA guidance and reports

This page includes E-Cycle WA frequently asked questions and annual reports.

https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Electronics-Ecycle-guidance-and-reports

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

Fish consumption rate: Technical support document

This 2013 technical support document estimates how much fish Washington residents are eating.

https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Fish-consumption-rates-technical-support

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