Is MAHER RD WS #05 required to publish a Consumer Confidence Report?

Yes. MAHER RD WS #05 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 MAHER RD WS #05’s next Consumer Confidence Report due?

MAHER RD WS #05’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.

ROYAL OAKS, CA · Monterey County

MAHER RD WS #05 Water System

Consumer Confidence Report status

MAHER RD WS #05 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 MAHER RD WS #05.

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): CA2700638
System type: Community Water System
Population served: 48
Service connections: 17
Ownership: privately owned
Water source: groundwater (wells)

MAHER RD WS #05 is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 48 people from groundwater.

As of August 1, 2026, its federal record holds 3 entries between 1980 and 2008, all of which EPA lists as closed. Nothing has been added since 2008.

All 3 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 Radionuclides and Revised Rad Rule and the Total Coliform Rules.

Violation history

Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2008 – August 31, 2008
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 30, 1980 – October 29, 1981
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
August 1, 2008 – August 31, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 1981 – September 30, 1982	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 30, 1980 – October 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

February 5, 2015State Boil Water Order3 linked violations
February 5, 2015State Public Notification requested2 linked violations
February 5, 2015State Violation/Reminder Notice5 linked violations
February 5, 2015State Violation/Reminder Notice2 linked violations
February 5, 2015State Public Notification requested3 linked violations
February 5, 2015State Public Notification requested2 linked violations
February 5, 2015State Violation/Reminder Notice2 linked violations
February 5, 2015State Public Notification requested2 linked violations
November 30, 2012State Compliance achieved6 linked violations
November 6, 2012State Administrative/Compliance Order without penalty issued6 linked violations
August 20, 2012State Violation/Reminder Notice2 linked violations
September 23, 2010State Public Notification requested7 linked violations
March 28, 2009State Compliance achieved7 linked violations
March 13, 2009State Violation/Reminder Notice1 linked violation
November 26, 2008State Administrative/Compliance Order without penalty issued1 linked violation
March 6, 2008State Violation/Reminder Notice1 linked violation
August 31, 2006State Compliance achieved8 linked violations
August 16, 2006State Public Notification requested12 linked violations
June 22, 2005State Public Notification requested1 linked violation
June 22, 2005State Violation/Reminder Notice1 linked violation
May 16, 2005State Public Notification requested1 linked violation
January 13, 2005State Boil Water Order1 linked violation
January 13, 2005State Violation/Reminder Notice1 linked violation
August 31, 2004State Compliance achieved7 linked violations
November 30, 1997State Compliance achieved8 linked violations

Common questions

Is MAHER RD WS #05 required to publish a Consumer Confidence Report?: Yes. MAHER RD WS #05 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 MAHER RD WS #05’s next Consumer Confidence Report due?: MAHER RD WS #05’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MAHER RD WS #05 have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for MAHER RD WS #05.
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

SHIPLEY, RHONDA

831-728-3739

ROYAL OAKS, CA 95076