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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Our air quality 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.
State Solid and Hazardous Waste Plan
Washington state’s management plan for solid waste and toxic materials.
Technical manuals
Requirements for technical manuals for vessels with contingency plans.
About the state waste plan
Learn what went into updating the State Solid and Hazardous Waste Plan.
Beyond Waste and Toxics Progress Report
The progress report is a series of indicators that track progress toward the state plan goals.
Attainment State Implementation Plans
Learn about Washington's plans to ensure communities meet National Ambient Air Quality Standards.
Infrastructure, rule, & program plans
Our plans and rules to improve air quality and meet national air quality standards.
Plans for maintaining air quality
View current plans to improve air quality and meet National Ambient Air Quality Standards.
Transportation implementation plans
Find out how we make sure transportation investments are consistent with air quality goals.
Cleanup at hazardous waste facilities
This indicator tracks the progress toward completing corrective actions at dangerous facilities.
Consumer climate change index
This indicator measures the output of greenhouse gases related to product life cycles.
Construction & demolition debris
This indicator tracks the amount of construction and demolition debris recycled annually.
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