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.

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Wastewater Operator Certification Program

We assure wastewater treatment plant operators are competent, trained, and certified.

https://ecology.wa.gov/regulations-permits/permits-certifications/wastewater-operator-certification

Water right permits

Use a pre-application request form before applying for a new or updated water right.

https://ecology.wa.gov/regulations-permits/permits-certifications/water-right-permits

Water Treatment Plant General Permit

We regulate drinking water facilities through the use of this permit.

https://ecology.wa.gov/regulations-permits/permits-certifications/water-treatment-plants

Winery general permit

The winery general permit helps prevent possible pollution problems from winery wastewater.

https://ecology.wa.gov/regulations-permits/permits-certifications/winery-permit

Dangerous waste basics

Find tools and resources to help your business learn how to manage dangerous waste properly.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dangerous-waste-basics