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Bill

LC 435

Generally revise laws relating to water rights and adjudication

2025 Regular Session

Montana bill to overhaul water rights laws and dispute resolution procedures died in drafting, affecting agricultural, environmental, and tribal water interests statewide.

(LC) Draft Died in Process
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Bill Summary · LC 435

Legislative bill overview

LC 435 is a Montana bill that would comprehensively revise the state's water rights laws and the adjudication process—the legal procedures by which water rights are established and disputed. The bill died in the legislative drafting process on May 22, 2025, without advancing to formal introduction or committee review.

Why is this important

Water rights are foundational to Montana's economy, agriculture, and environmental management. Changes to adjudication procedures can affect farmers, municipalities, Native American tribes, environmental groups, and industrial users by altering how disputes are resolved and how new water rights are claimed. Montana's water law is complex and outdated in places, making modernization a recurring policy concern.

Potential points of contention

  • Agricultural vs. Environmental Balance: Revisions could shift priorities between established agricultural water use and environmental flow requirements, affecting farming communities and conservation interests
  • Tribal Water Rights: Changes to adjudication could impact Native American tribes' ability to assert treaty-based water claims or influence dispute outcomes
  • Cost and Timeline: Procedural reforms might increase costs or extend timelines for adjudication, affecting smaller users who cannot absorb delays or legal expenses

Compiled from official sources — confirm details with the bill’s official record.

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