Drinking Water Compliance OS

SAN JOAQUIN, CA · Fresno County

SAN JOAQUIN, CITY OF 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)
CA1010034
System type
Community Water System
Population served
4,060
Service connections
754
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2004 – July 31, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    March 1, 2004 – March 31, 2004

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2004 – December 31, 2004

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    January 1, 2003 – June 4, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 2001 – June 30, 2001

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2000 – December 31, 2000

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 1998 – June 30, 1998

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 1992 – December 31, 1992

    Resolved
  • Notification, Public

    No contaminant on record

    December 1, 1989 – December 31, 1989

    Archived

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

Enforcement actions

Contact

BULLA, STAN

559-693-4311

SAN JOAQUIN, CA 93660