PURISSIMA HILLS WATER DISTRICT

California — Community Water System — PWSID: CA4310021

System Information

PWSIDCA4310021
System NamePURISSIMA HILLS WATER DISTRICT
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerYes
First ReportedMar 22, 1979
Last ReportedMar 20, 2026

Location & Contact

StateCalifornia
CityLOS ALTOS HILLS
ZIP Code94022
Address26375 FREMONT ROAD
OrganizationWALTER, ERIK
Phone650-948-1217

Population & Service

Population Served6,245
Service Connections2,146

Drinking Water Violations (17)

This water system has 17 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jan 1, 2020 MR No No TT Resolved Oct 4, 2023
Jan 1, 2020 MR No No TT Resolved Oct 4, 2023
Nov 1, 1999 Nov 30, 1999 MCL Yes No 5% of samples Resolved Nov 30, 1999
Nov 1, 1999 Nov 30, 1999 MCL Yes No 5% of samples Resolved Nov 30, 1999
Nov 1, 1999 Nov 30, 1999 MCL Yes No 5% of samples Resolved Nov 30, 1999
Nov 1, 1999 Nov 30, 1999 MCL Yes No 5% of samples Resolved Nov 30, 1999
Aug 1, 1998 Aug 31, 1998 TT Yes No Resolved Aug 31, 1998
Aug 1, 1998 Aug 31, 1998 TT Yes No Resolved Aug 31, 1998
Mar 1, 1995 Mar 31, 1995 TT Yes No Resolved Mar 31, 1995
Mar 1, 1995 Mar 31, 1995 TT Yes No Resolved Mar 31, 1995
Mar 1, 1992 Mar 31, 1992 TT Yes No Resolved Mar 31, 1992
Mar 1, 1992 Mar 31, 1992 TT Yes No Resolved Mar 31, 1992
Mar 1, 1992 Mar 31, 1992 TT Yes No Resolved Mar 31, 1992
Mar 1, 1992 Mar 31, 1992 TT Yes No Resolved Mar 31, 1992
No No
No No
No No

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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