Drinking Water Compliance OS

SAN JOSE, CA · Marin County

COAST SPRINGS - CAL. WATER SERVICE (PUC) 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)
CA2110007
System type
Community Water System
Population served
388
Service connections
251
Ownership
privately owned
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring, Regular

    Nitrate

    October 1, 2007 – December 17, 2007

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    March 1, 1999 – March 31, 1999

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    July 1, 1997 – July 31, 1997

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    January 1, 1995 – March 8, 1995

    Resolved
  • Notification, Public

    No contaminant on record

    November 1, 1983 – November 30, 1983

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

JAMES, SOPHIE

408-367-8593

SAN JOSE, CA 95112