Boulder County water rights

15,319 rights recorded with the state of Colorado · 11,051 without a priority date

Open Boulder County on the map
Groundwater
12,362
Surface water
1,798
Storage
951
Spring
208

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