Drinking Water Compliance OS

LOS ALTOS HILLS, CA · Santa Clara County

PURISSIMA HILLS WATER DISTRICT Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.

System facts

System ID (PWSID)
CA4310021
System type
Community Water System
Population served
6,245
Service connections
2,146
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    March 1, 1992 – March 31, 1992

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

WALTER, ERIK

650-948-1217

LOS ALTOS HILLS, CA 94022