Honest Cattle · Sanders County

Water Rights

Sanders County, Montana

Water Rights & Land Ownership

Sanders County is the Clark Fork–Flathead River confluence county — Thompson Falls is the county seat. The Clark Fork enters from the east through the Lower Clark Fork canyon; the Flathead River enters from the SE at Paradise (after exiting the Flathead Reservation). The eastern portion of the county is within the Flathead Indian Reservation (CSKT). Cabinet Gorge / Noxon Rapids hydropower projects sit downstream toward Idaho. About 6,600 active state rights.

6,632Active state water rights
Irrigation & StockPrimary uses
2,790 mi²County area
76L · 76M · 76NDNRC basins

Active state-administered rights pulled live from DNRC WRQS on 2026-06-01. Sanders spans five basins: 76D (Lower Kootenai margin), 76L/76LJ (Flathead lower), 76M (Lower Clark Fork), 76N (Bull River / Noxon area). CSKT compact rights administered separately on reservation parcels.

Sanders County Watershed Map

Sanders County, Montana ← Idaho border Flathead Reservation (CSKT) → Cabinet Mtns Clark Fork R. ← Flathead R. THOMPSON FALLS Noxon Plains Paradise Hot Springs Trout Cr. N ~16 mi
Rivers Clark Fork R. Flathead R.

Search Sanders County water rights

Water right format:
76M 12345 00 (Lower Clark Fork) · 76L (Flathead) · 76N (Bull R. / Noxon).
Primary basins:
76L/76LJ Flathead lower · 76M Lower Clark Fork · 76N Bull R. / Noxon · 76D Lower Kootenai margin.
CSKT Compact (2015):
Eastern Sanders County reservation parcels carry federally-reserved Tribal water rights senior to most state priorities.
Hydropower:
Cabinet Gorge / Noxon Rapids reservoirs are FERC-licensed hydropower facilities — flow allocations governed by FERC license + Columbia River Treaty considerations.
DNRC regional office:
Kalispell Regional Office, 406-752-2288 (Missoula serves S edge).
Clerk & Recorder:
Sanders County, 406-827-6922.

Quick links

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

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