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.
WQWebPortal guidance
Learn how to submit your permit documents electronically through the WQWebPortal.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/water-quality-permits-guidance/wqwebportal-guidance
Bench sheets and control charts for labs
Environmental laboratories can find and download quality-control spreadsheets.
https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/bench-sheets-and-control-charts-for-labs-old
Choosing an analytical laboratory
Take these steps and consider what you need when choosing an environmental laboratory.
https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/how-to-choose-an-analytical-laboratory
Underground storage tank closures
Important information about closing your underground storage tanks.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources/underground-storage-tank-closures
SEPA subject index
References to SEPA topics in rule and statute.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-subject-index
Manuals & procedures for accredited labs
Download the procedure manual, and find tips and tools for accredited environmental labs.
https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/manual-and-procedures-for-accredited-laboratories
Clean Water Act updated analytical methods
Learn about updates to approved analytical methods for testing non-potable water.
https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/methods-update-rule
Proficiency testing requirements
Six proficiency testing sample providers are approved by our laboratory accreditation program.
https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/proficiency-testing-providers
188 results
181 - 188 of 188