Geyserville Sanitation Zone

About the Zone:

  • Began Operation: 1978
  • Service area: 177 acres
  • Service recipients: 337 Equivalent Single-Family Dwelling
  • Treatment level: Secondary
  • Design capacity: 92,000 gallons per day (average daily dry weather flow)
  • Discharge: Recycled water from this plant is disposed through percolation and evaporation.
  • Board of Directors:  The Water Agency's Board of Directors act as the Zone's Board.
  • Wind Turbine installed 1/8/2013



Contact Information

Billing/Financial Questions: Manuel Olvera, 707-521-6215 or

General Questions: Brad Sherwood, 707-547-1927 or