Office of Delta Watermaster

Water Rights Associated within the Legal Delta

This interactive map displays Appropriative water rights (Permits and/or Licenses) and Statements of Water Diversion and Use water rights for islands/areas in the Legal Delta. Find water right information by clicking on a location dot on the map. Completed Island Summaries of Water Rights can be found on the Select a Delta Island or Area box on the right.
 Legend
  green:  Legal Delta Boundary
  red:  Appropriative Permit or License
  blue:  Statement of Diversion and Use
  RD:  Reclamation District

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