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...

Find by Search

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

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

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

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

State Solid and Hazardous Waste Plan

Washington state’s management plan for solid waste and toxic materials.

https://ecology.wa.gov/Regulations-Permits/Plans-policies/Washington-state-waste-plan

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

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

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 that generate dangerous waste must follow the 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

Were you able to find what you were looking for today?*:	Yes No Not sure
What were you trying to find?*:
Please describe your experience. What was challenging? What was helpful? *:	Please include details that will help us address any issues you're reporting. NOTE: There is a 1,500 character limit (including spaces) on this form field.
Was the search tool helpful to you? *:	Yes No I didn't use Search.
How can we improve our website?:	Optional. If you have suggestions, we'd like to hear them! NOTE: There is a 1,500 character limit (including spaces) on this form field.
Your name:	Please include contact information if you'd like a reply.
Email:	If you’d like a reply, please provide an email address.
Phone number:	( ) - Second three digits Last four digits If you’d like us to call you, please provide a phone number.
Which best describes your role in visiting our site today?*:	Business / Consultant / Contractor Government - Local Government - State Government - Federal Government - Tribal Scientist / Researcher Non-profit Washington resident / Public Educator Student Job seeker Ecology employee
PleaseLeaveBlank:	Are you a robot? If not, please do not enter anything in this field.
	ignore
	ignore