Dam construction & modification guidance
We provide guidance and technical notes for dam construction and modification.
Metering technical information
Find out about meter types, technical requirements, vendors, and installers.
Municipal water law
We help regulate municipal water suppliers to ensure a safe and reliable drinking water supply.
Certified water right examiner certification
We share information to help you gain or maintain your certified water right examiner certification.
Construction or reservoir permits may be required for your project.
Water right permits
Talk to us before applying for a new water right or seeking a change to an existing right.
Water metering reporting
You can report your water meter use data using our online reporting system.
Water use compliance and enforcement
Enforcing water use laws reduces conflict among competing water users and protects the resource.
Well construction notice of intent
Before you drill a well, you must submit a notice of intent to us 72 hours before drilling starts.
Water rights search guidance
Water right records can be searched on a map-based water right database.
Well construction & licensing system
Search for notices of intent, licensed drillers, or drilling companies.
Well report (log) viewer
Search for wells and view availabile well reports (logs).
Columbia River water use compliance
Our watermaster seeks to ensure water is legally available when out-of-stream users and the environment need it.
Changes to existing water rights
If you want to change to an existing water right, we recommend a pre-application consultation.