Drinking Water Compliance OS

FRESNO, CA · Fresno County

WILLIAM HOPKINS WATER SYSTEM Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of June 9, 2009. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Fresno County, CA.

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)
CA1000354
System type
Community Water System
Population served
0
Service connections
12
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Notification, Public

    No contaminant on record

    August 1, 1984 – August 31, 1984

    Archived
  • Notification, Public

    No contaminant on record

    July 1, 1984 – July 31, 1984

    Archived
  • Notification, Public

    No contaminant on record

    December 1, 1982 – December 31, 1982

    Archived
  • Notification, Public

    No contaminant on record

    November 1, 1982 – November 30, 1982

    Archived
  • Notification, Public

    No contaminant on record

    October 1, 1982 – October 31, 1982

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 1981 – September 30, 1982

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

WILLIAM HOPKINS WATER SYSTEM

Phone not on record

FRESNO, CA 93725