Honest Cattle · Dawson County

Water Rights

Dawson County, Montana

Water Rights & Land Ownership

Dawson County is anchored at Glendive on the Yellowstone River — Cretaceous fossil country (Hell Creek formation, mosasaurs, T. rex finds) and Bakken oil patch. The Yellowstone cuts NW-SE through the county; Redwater River drains the northern county south to the Yellowstone. Stock and Yellowstone main-stem irrigation rights make up most of the 5,000 active records.

4,983Active water rights
Irrigation & StockPrimary uses
2,373 mi²County area
42M · 40PDNRC basins

Active rights pulled live from DNRC WRQS on 2026-06-01. Dawson spans two basins: 42M (Yellowstone lower main) and 40P (Redwater R.).

Dawson County Watershed Map

Dawson County, Montana Yellowstone valley irrigation Yellowstone R. → Redwater R. GLENDIVE Lindsay Bloomfield N ~14 mi
Rivers Yellowstone R. Redwater R. Irrigation

Search Dawson County water rights

Water right format:
42M 12345 00 (Yellowstone lower) · 40P (Redwater).
Primary basins:
42M Yellowstone lower main · 40P Redwater R.
DNRC regional office:
Miles City Regional Office, 406-234-0241.
Clerk & Recorder:
Dawson County, 406-377-3058.

Quick links

Data sources: Montana DNRC, MSL/DOR Cadastral, MBMG GWIC. Active rights pulled live from DNRC WRQS on 2026-06-01. Informational only.

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