Public Water Partners

BAKERSFIELD, CA · Kern County

SAN JOAQUIN ESTATES MUTUAL WATER COMPANY Water System

Consumer Confidence Report status

SAN JOAQUIN ESTATES MUTUAL WATER COMPANY 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 ESTATES MUTUAL WATER COMPANY.

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)
CA1500575
System type
Community Water System
Population served
165
Service connections
61
Ownership
privately owned
Water source
groundwater (wells)

SAN JOAQUIN ESTATES MUTUAL WATER COMPANY is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 165 people from groundwater.

As of August 1, 2026, its federal record holds 8 entries between 1984 and 2025, all of which EPA lists as closed.

Of the 8, 1 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 inorganic chemicals, the Miscellaneous Other Rules, and the Consumer Confidence Rule.

Violation history

  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    January 1, 2025 – March 31, 2025

    Archived

  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    January 1, 2023 – March 31, 2023

    Archived

  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    October 1, 2022 – December 31, 2022

    Archived

  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    July 1, 2022 – September 30, 2022

    Archived

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2007 – March 6, 2018

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    April 1, 2003 – April 30, 2004

    Resolved

  • 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

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

Enforcement actions

Common questions

Is SAN JOAQUIN ESTATES MUTUAL WATER COMPANY required to publish a Consumer Confidence Report?

Yes. SAN JOAQUIN ESTATES MUTUAL WATER COMPANY 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 ESTATES MUTUAL WATER COMPANY’s next Consumer Confidence Report due?

SAN JOAQUIN ESTATES MUTUAL WATER COMPANY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does SAN JOAQUIN ESTATES MUTUAL WATER COMPANY have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for SAN JOAQUIN ESTATES MUTUAL WATER COMPANY.

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

ARRINGTON, ALLEN

661-978-5876

BAKERSFIELD, CA 93387