Union County water rights

531 rights recorded with the state of South Dakota

Open Union County on the map
Groundwater
513
Surface water
18

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