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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Contanda expansion proposal

Contanda, formerly Westway Terminal, proposed an expansion of the Grays Harbor methanol terminal.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-at-ecology/grays-harbor-terminal-expansion/contanda

Fish consumption rate: Technical support document

This 2013 technical support document estimates how much fish Washington residents are eating.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/fish-consumption-rates-technical-support

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 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

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

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

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

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 permits

Construction or reservoir permits may be required for your project.

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

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 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

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

Grays Harbor terminal expansion environmental reviews

The current status of environmental reviews for two oil-related proposals in Grays Harbor.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-at-ecology/grays-harbor-terminal-expansion