Multnomah County water rights

931 rights recorded with the state of Oregon

Groundwater
464
Surface water
236
Spring
138
Storage
93

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