Lake County water rights

12,223 rights recorded with the state of Montana · 207 without a priority date

Open Lake County on the map
Groundwater
8,490
Surface water
3,730
Other source
3

Streams and named sources

Each source page lists its rights in priority order, which is the order water is shared out in a shortage.

Every right in the county, most senior first

Priority date · senior to junior

  • Before 1880
  • 1880–1899
  • 1900–1919
  • 1920–1949
  • 1950–1972
  • 1973–1999
  • 2000 and later
  • No priority date