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.
Online tool: Stormwater Pollutants and Their Adverse Impacts
Guidance in the 2024 Stormwater Management Manual for Western Washington
https://ecology.wa.gov/online-tool-stormwater-pollutants-and-their-adverse-impacts
Certified water right examiner certification
We share information to help you gain or maintain your certified water right examiner certification.
https://ecology.wa.gov/regulations-permits/permits-certifications/certified-water-right-examiner
Dam construction & modification guidance
We provide guidance and technical notes for dam construction and modification.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dam-construction-modification-guidance
Dam operation & maintenance guidance
We provide guidance to assist dam owners with operations and maintenance.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dam-operation-maintenance-guidance
Water rights and dam safety policies, procedures & guidance
Policies, procedures & guidance guide our water right and dam safety work
https://ecology.wa.gov/regulations-permits/plans-policies/water-rights-dam-safety-policies-procedures-guidan
Water use compliance and enforcement
Enforcing water use laws reduces conflict among competing water users and protects the resource.
https://ecology.wa.gov/regulations-permits/compliance-enforcement/water-use-compliance
Dam permits
Construction or reservoir permits may be required for your project.
https://ecology.wa.gov/regulations-permits/permits-certifications/dam-safety-permit
Water metering reporting
You can report your water meter use data using our online reporting system.
https://ecology.wa.gov/regulations-permits/reporting-requirements/water-metering-reporting
Well construction notice of intent
Before you drill a well, you must submit a notice of intent to us 72 hours before drilling starts.
https://ecology.wa.gov/regulations-permits/reporting-requirements/well-construction-notice-of-intent
Well construction reporting & well report gateway
Resource protection well reports can be submitted online.
https://ecology.wa.gov/regulations-permits/reporting-requirements/well-construction-reporting
Municipal water law
We help regulate municipal water suppliers to ensure a safe and reliable drinking water supply.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/municipal-water-law
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
Metering technical information
Find out about meter types, technical requirements, vendors, and installers.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/metering
Water rights search guidance
Water right records can be searched on a map-based water right database.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/water-rights-search
Well construction & licensing system
Search for notices of intent, licensed drillers, or drilling companies.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/well-construction-licensing-system
Well report (log) viewer
Search for wells and view availabile well reports (logs).
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/well-report-gateway
Changes to existing water rights
If you want to change to an existing water right, we recommend a pre-application consultation.
https://ecology.wa.gov/regulations-permits/permits-certifications/water-right-permits/changes-to-existing-water-rights
Columbia River water use compliance
Our watermaster investigates possible unauthorized use.
https://ecology.wa.gov/regulations-permits/compliance-enforcement/water-use-compliance/columbia-river-water-use-compliance
ROD ROD BENT 17-03 July 17 2018
A Report of Decision from the Benton County Water Conservancy Board
https://ecology.wa.gov/rod-rod-bent-17-03-july-17-2018
7Q10 for High Flows on the Columbia/Snake Rivers
Guidelines for arriving at 7Q10 for dissolved gas standards.
https://ecology.wa.gov/7q10forhighflows
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