Is SIERRA WATER RESOURCES - SIERRA CITY required to publish a Consumer Confidence Report?

Yes. SIERRA WATER RESOURCES - SIERRA CITY 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 SIERRA WATER RESOURCES - SIERRA CITY’s next Consumer Confidence Report due?

SIERRA WATER RESOURCES - SIERRA CITY’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.

CLAREMONT, CA · Sierra County

SIERRA WATER RESOURCES - SIERRA CITY Water System

Consumer Confidence Report status

SIERRA WATER RESOURCES - SIERRA CITY 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 SIERRA WATER RESOURCES - SIERRA CITY.

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): CA4600017
System type: Community Water System
Population served: 324
Service connections: 120
Ownership: privately owned
Water source: groundwater (wells)

SIERRA WATER RESOURCES - SIERRA CITY is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 324 people from groundwater.

As of August 1, 2026, its federal record holds 32 entries between 1981 and 2015, all of which EPA lists as closed. Nothing has been added since 2015.

Of the 32, 5 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 Miscellaneous Other Rules, the Total Coliform Rules, and the Radionuclides and Revised Rad Rule.

Violation history

Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2015 – October 31, 2015
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
January 1, 2015 – January 31, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
February 1, 2010 – February 28, 2010
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
October 1, 2009 – October 31, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2009 – June 30, 2009
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
July 1, 2008 – July 31, 2008
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
August 1, 2007 – August 31, 2007
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 2004 – December 31, 2004
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2004 – October 31, 2004
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 2002 – December 31, 2002
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
February 1, 2002 – February 28, 2002
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1993 – September 30, 1993
Resolved
Notification, Public
—
No contaminant on record
September 1, 1984 – September 30, 1984
Archived
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
Notification, Public
—
No contaminant on record
February 1, 1984 – February 29, 1984
Archived
Notification, Public
—
No contaminant on record
January 1, 1984 – January 31, 1984
Archived
Notification, Public
—
No contaminant on record
December 1, 1983 – December 31, 1983
Archived
Notification, Public
—
No contaminant on record
November 1, 1983 – November 30, 1983
Archived
Notification, Public
—
No contaminant on record
October 1, 1983 – October 31, 1983
Archived
Notification, Public
—
No contaminant on record
September 1, 1983 – September 30, 1983
Archived
Notification, Public
—
No contaminant on record
July 1, 1983 – July 31, 1983
Archived
Notification, Public
—
No contaminant on record
June 1, 1983 – June 30, 1983
Archived
Notification, Public
—
No contaminant on record
May 1, 1983 – May 31, 1983
Archived
Notification, Public
—
No contaminant on record
April 1, 1983 – April 30, 1983
Archived
Notification, Public
—
No contaminant on record
March 1, 1983 – March 31, 1983
Archived
Notification, Public
—
No contaminant on record
February 1, 1983 – February 28, 1983
Archived
Notification, Public
—
No contaminant on record
January 1, 1983 – January 31, 1983
Archived
Notification, Public
—
No contaminant on record
December 1, 1982 – December 31, 1982
Archived
Notification, Public
—
No contaminant on record
November 1, 1982 – November 30, 1982
Archived
Notification, Public
—
No contaminant on record
October 1, 1982 – October 31, 1982
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
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
October 1, 2015 – October 31, 2015	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2015 – January 31, 2015	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
February 1, 2010 – February 28, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2009 – October 31, 2009	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2009 – June 30, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2008 – July 31, 2008	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 2007 – August 31, 2007	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 2004 – December 31, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2004 – October 31, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 2002 – December 31, 2002	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
February 1, 2002 – February 28, 2002	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 1993 – September 30, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 1984 – September 30, 1984	Notification, Public	—	—	Archived
August 1, 1984 – August 31, 1984	Notification, Public	—	—	Archived
July 1, 1984 – July 31, 1984	Notification, Public	—	—	Archived
February 1, 1984 – February 29, 1984	Notification, Public	—	—	Archived
January 1, 1984 – January 31, 1984	Notification, Public	—	—	Archived
December 1, 1983 – December 31, 1983	Notification, Public	—	—	Archived
November 1, 1983 – November 30, 1983	Notification, Public	—	—	Archived
October 1, 1983 – October 31, 1983	Notification, Public	—	—	Archived
September 1, 1983 – September 30, 1983	Notification, Public	—	—	Archived
July 1, 1983 – July 31, 1983	Notification, Public	—	—	Archived
June 1, 1983 – June 30, 1983	Notification, Public	—	—	Archived
May 1, 1983 – May 31, 1983	Notification, Public	—	—	Archived
April 1, 1983 – April 30, 1983	Notification, Public	—	—	Archived
March 1, 1983 – March 31, 1983	Notification, Public	—	—	Archived
February 1, 1983 – February 28, 1983	Notification, Public	—	—	Archived
January 1, 1983 – January 31, 1983	Notification, Public	—	—	Archived
December 1, 1982 – December 31, 1982	Notification, Public	—	—	Archived
November 1, 1982 – November 30, 1982	Notification, Public	—	—	Archived
October 1, 1982 – October 31, 1982	Notification, Public	—	—	Archived
October 1, 1981 – September 30, 1982	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

December 28, 2017State Compliance achieved1 linked violation
September 30, 2017State Compliance achieved1 linked violation
September 1, 2017State Administrative/Compliance Order without penalty issued2 linked violations
August 28, 2017State Administrative/Compliance Order without penalty issued1 linked violation
November 17, 2016State Administrative/Compliance Order without penalty issued2 linked violations
July 28, 2016State Administrative/Compliance Order without penalty issued2 linked violations
November 30, 2015State Compliance achieved1 linked violation
November 13, 2015State Administrative/Compliance Order with penalty issued7 linked violations
October 30, 2015State Compliance achieved1 linked violation
September 30, 2015State Compliance achieved1 linked violation
May 30, 2015State Compliance achieved1 linked violation
May 8, 2015State Administrative/Compliance Order with penalty issued5 linked violations
March 28, 2015State Compliance achieved1 linked violation
March 18, 2015State Administrative/Compliance Order with penalty issued4 linked violations
February 28, 2015State Compliance achieved1 linked violation
September 30, 2014State Compliance achieved1 linked violation
April 30, 2014State Compliance achieved1 linked violation
October 30, 2011State Compliance achieved1 linked violation
October 26, 2011State Administrative/Compliance Order without penalty issued1 linked violation
December 21, 2010State Administrative/Compliance Order without penalty issued4 linked violations
November 30, 2010State Compliance achieved1 linked violation
March 28, 2010State Compliance achieved1 linked violation
November 30, 2009State Compliance achieved1 linked violation
July 30, 2009State Compliance achieved1 linked violation
October 7, 2008State Violation/Reminder Notice1 linked violation
October 7, 2008State Violation/Reminder Notice1 linked violation
September 30, 2008State Compliance achieved1 linked violation
August 31, 2008State Compliance achieved1 linked violation
November 7, 2007State Violation/Reminder Notice1 linked violation
November 1, 2007State Violation/Reminder Notice2 linked violations
October 30, 2007State Compliance achieved1 linked violation
September 30, 2007State Compliance achieved1 linked violation
August 31, 2007State Compliance achieved1 linked violation
January 31, 2005State Compliance achieved1 linked violation
November 30, 2004State Compliance achieved1 linked violation
June 30, 2004State Compliance achieved1 linked violation
December 30, 2003State Compliance achieved1 linked violation
June 10, 2003State Administrative/Compliance Order without penalty issued3 linked violations
January 31, 2003State Compliance achieved1 linked violation
January 30, 2003State Formal Notice of Violation issued11 linked violations
October 30, 2002State Compliance achieved1 linked violation
March 28, 2002State Compliance achieved1 linked violation
February 28, 2002State Compliance achieved1 linked violation
January 31, 2002State Compliance achieved1 linked violation
November 30, 2001State Compliance achieved1 linked violation

Common questions

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

MORALES, NATHANIAL

909-788-0190

CLAREMONT, CA 91711