Is SUNDALE MUTUAL WATER COMPANY A, B required to publish a Consumer Confidence Report?

Yes. SUNDALE MUTUAL WATER COMPANY A, B 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 SUNDALE MUTUAL WATER COMPANY A, B’s next Consumer Confidence Report due?

SUNDALE MUTUAL WATER COMPANY A, B’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

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.

LANCASTER, CA · Los Angeles County

SUNDALE MUTUAL WATER COMPANY A, B Water System

Consumer Confidence Report status

SUNDALE MUTUAL WATER COMPANY A, B 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 SUNDALE MUTUAL WATER COMPANY A, B.

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): CA1900563
System type: Community Water System
Population served: 1,050
Service connections: 322
Ownership: privately owned
Water source: groundwater (wells)

SUNDALE MUTUAL WATER COMPANY A, B is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 1,050 people from groundwater.

As of August 1, 2026, its federal record holds 7 entries between 1996 and 2008, all of which EPA lists as closed. Nothing has been added since 2008.

Of the 7, 6 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 and the Radionuclides and Revised Rad Rule.

Violation history

Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2008 – February 29, 2008
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
January 1, 2005 – January 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2004 – September 30, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2002 – December 31, 2002
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2002 – July 31, 2002
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 1997 – October 31, 1997
Resolved
Monitoring, Regular
—
Radium-228
July 1, 1996 – July 31, 1996
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
February 1, 2008 – February 29, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2005 – January 31, 2005	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 2004 – September 30, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 2002 – December 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2002 – July 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 1997 – October 31, 1997	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1996 – July 31, 1996	Monitoring, Regular	Radium-228	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

June 15, 2022State Compliance achievedgeneral compliance action — not tied to a specific violation on record
June 15, 2022State Compliance achieved1 linked violation
December 31, 2021State Administrative/Compliance Order without penalty issued1 linked violation
December 31, 2021State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 21, 2020State Administrative/Compliance Order without penalty issued1 linked violation
July 21, 2020State Formal Notice of Violation issued1 linked violation
July 21, 2020State Compliance achieved1 linked violation
April 8, 2008State Compliance achieved1 linked violation
April 8, 2008State Administrative/Compliance Order without penalty issued1 linked violation
January 31, 2005State Compliance achieved2 linked violations
October 25, 2004State Administrative/Compliance Order without penalty issued9 linked violations
December 30, 2003State Compliance achieved2 linked violations
September 1, 2003State Administrative/Compliance Order without penalty issued4 linked violations
January 31, 2003State Compliance achieved2 linked violations
August 31, 1999State Compliance achieved1 linked violation
July 30, 1999State Compliance achieved1 linked violation
July 23, 1999State Public Notification requested9 linked violations
July 23, 1999State Violation/Reminder Notice1 linked violation
July 23, 1999State Public Notification received2 linked violations
November 30, 1997State Compliance achieved2 linked violations
October 30, 1997State Compliance achieved1 linked violation
October 3, 1997State Technical Assistance Visit7 linked violations
August 31, 1997State Compliance achieved2 linked violations
January 1, 1997State Compliance achieved1 linked violation
August 1, 1996State Compliance achieved1 linked violation

Common questions

Is SUNDALE MUTUAL WATER COMPANY A, B required to publish a Consumer Confidence Report?: Yes. SUNDALE MUTUAL WATER COMPANY A, B 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 SUNDALE MUTUAL WATER COMPANY A, B’s next Consumer Confidence Report due?: SUNDALE MUTUAL WATER COMPANY A, B’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SUNDALE MUTUAL WATER COMPANY A, B have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for SUNDALE MUTUAL WATER COMPANY A, B.
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

GOIT, CHRISTINE

661-256-3100

LANCASTER, CA 93539