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.
Water Quality Fiscal Year 2013 - 2015 Biennium Outcomes Report
2 year report on Water Quality projects funded by Ecology, covering Fiscal Years 2013 through 2015
https://ecology.wa.gov/fiscal-year-2013-2015-biennium-outcomes-report-f
Chapter 173-167 WAC Emergency Drought Funding (2023)
This is the rulemaking page for Chapter 173-167 WAC.
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-167-2023
Chapter 173-167 WAC Emergency Drought Funding (2024)
This is the rulemaking page for Chapter 173-167 WAC.
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-167-2024-28119efcad412da8f533ebdc1470dba2
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
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
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
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 search
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
Characterization of Stormwater Transport of Contaminants of Emerging Concern
We work with City of Tacoma to look for several contaminants of emerging concern in stormwater.
https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies/stormwater-characterization
Chapter 173-167 WAC, Emergency Drought Funding (2025)
On June 5, 2025, Ecology adopted amendments to Chapter 173-167 WAC, Emergency Drought Funding (2025)
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-167-2025
1885 results
241 - 260 of 1885