Public Water Partners

SAN JOAQUIN, CA · Fresno County

SAN JOAQUIN, CITY OF Water System

Consumer Confidence Report status

SAN JOAQUIN, CITY OF must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for SAN JOAQUIN, CITY OF.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)

SAN JOAQUIN, CITY OF is one of 278 community water systems in California in the 3,301 to 10,000 people size category, serving 4,060 people from groundwater.

As of August 1, 2026, its federal record holds 9 entries between 1989 and 2004, all of which EPA lists as closed. Nothing has been added since 2004.

Of the 9, 4 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules, the Stage 1 Disinfectants and Disinfection Byproducts Rule, and the Lead and Copper Rule.

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)

    —

    Total Haloacetic Acids (HAA5)

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring and Reporting (DBP)

    —

    TTHM

    January 1, 2004 – December 31, 2004

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    April 1, 2003 – April 30, 2003

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2003 – June 4, 2004

    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

  • 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

Common questions

Is SAN JOAQUIN, CITY OF required to publish a Consumer Confidence Report?

Yes. SAN JOAQUIN, CITY OF is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is SAN JOAQUIN, CITY OF’s next Consumer Confidence Report due?

SAN JOAQUIN, CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does SAN JOAQUIN, CITY OF have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for SAN JOAQUIN, CITY OF.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

BULLA, STAN

559-693-4311

SAN JOAQUIN, CA 93660