Idaho Department of Water Resources Updated:11/2021

IDWR manages water in the State of Idaho via water allocation and distribution processes. Here you will find information pertaining to the recording, processing, changing, storing and adjudications of all water rights. Want to know how water is distributed in the 70 active water districts in Idaho? Read below for more answers!

  • About Water Rights
    • Water rights authorize the use of public water by private individuals and organizations. Water right are real property rights much like property rights in land. Get answers to frequently asked questions and search for records here.
  • Adjudication
    • An adjudication is a court action for the determination of existing water rights, which results in a decree that confirms and defines each water right. The purpose is to catalog and confirm through the court all water rights and to which property those water rights belong.
  • Water Districts & Other Water-Related Districts
    • Water districts and other water-related districts are government entities with authority to raise assessments for purpose of making local improvements or to assist state agencies in performing certain statutory functions.
  • Ground Water Management & Critical Ground Water Areas
    • The IDWR Director is granted authority for designating areas for regulating ground water withdrawals from aquifers subject to insufficient supplies based on ground water level trends.


Contact Idaho Department of Water Resources

REMINDER: This listing is a free service of IdahoLandCAN.
Idaho Department of Water Resources is not employed by or affiliated with the Idaho Land Conservation Assistance Network, and the Network does not certify or guarantee their services. The reader must perform their own due diligence and use their own judgment in the selection of any professional.


Contact Idaho Department of Water Resources

322 East Front Street
PO Box 83720
Boise, ID  83702-7371
Phone: (208) 287-4800
Fax: (208) 287-6700

Service Area

Statewide service provider in:
  • Idaho