Regulations & Permits

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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.

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

We provide advice on identifying, monitoring, and managing invasive freshwater aquatic plants.

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

Guidance for manufacturers on Washington's Better Brakes regulations.

We issue permits and regulate biosolids production and use in Washington.

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

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

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

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

Guidance for state agencies, local governments and businesses on how to buy green products.

Frequently flooded areas are covered by Critical Areas Ordinances promoting safety from floods.

Environmental permits may be required for marijuana growers and processors.

An online cleanup guide for homes and small business properties that might be contaminated.

Find out about meter types, technical requirements, vendors, and installers.

Regulatory information and guidance for county moderate risk waste facilities.

We help regulate municipal water suppliers to ensure a safe and reliable drinking water supply.

Oil spill drills

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

We review and approve oil spill contingency plans for facilities, pipelines, vessels, and railroads.

Tank vessels are required to have financial responsibility to pay for costs & damages from spills.

We have tools and resources to help your business prevent waste and pollution at the source.

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