Regulations & Permits

We oversee many state and federal laws designed to protect Washington's land, air, and water. Rules and regulations that direct state agencies, local governments, businesses, and others on how to comply with relevant laws are compiled in the Washington Administrative Code. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.

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Determining if areas in Washington meet national air quality standards

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

Our air pollution implementation plan

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

Water rights policies & procedures

Policies and procedures guide our water rights and water resources work.

Dam safety policies

Policies guide our dam safety work.

Spill response plans for Class 2 mobile facilities

We require Class 2 mobile oil-handling facilities in Washington to have a spill response plan.

Contingency planning for oil industry

Oil-handling operations must have contingency plans describing how they would respond to oil spills.

Geographic Response Plans (GRPs)

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

Operations manual requirements

Operations manuals help prevent spills during the transfer, storage, and handling of oil.

Safe and effective threshold determination reports

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

Oil spill prevention plans for facilities

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

Policies and guidance for site cleanups

Policies and guidance interpret the MTCA cleanup law and help you clean up contaminated sites.

Oil spill drills

We require oil spill drills to test and improve industry contingency plans.

Oil spill contingency planning standards

We verify standards for industry contingency plans using a GIS-based model.

Advance notice of oil transfer

We require certain types of facilities and vessels to tell us in advance when they are transferring oil.

Requirements for submitting cleanup site data

You must submit your lab data electronically through EIM.

Emergency response towing vessel

The emergency response towing vessel (ERTV) helps prevent oil spills from ships and barges.

Solid waste facility forms

Find commonly used Ecology reporting forms, facility checklists for solid waste facilities.

Stormwater monitoring

Stormwater monitoring helps us know how well water quality permits are working.

Water metering reporting

You can report your water meter use data using our online reporting system.