Small Water System Program

The Inyo County Environmental Health Services has been delegated authority as the Local Primacy Agency (LPA) by the California State Water Board Division of Drinking Water.  Our Small Water System Program includes the regulation of 94 active public and State small water systems located throughout Inyo County.

The Small Water System Program oversees:

  • 30 Community systems with between 25 and 199 residential service connections or 25 or more yearlong residents,
  • 10 Nontransient Noncommunity systems such as schools, institutions, and places of employment,
  • 40 Transient Noncommunity systems such as restaurants and campgrounds, and resorts. 
  • 14 State Small systems that serve between 5 and 14 residential service connections but less than 25 yearlong residents.