Is RIVERDALE PUBLIC UTILITY DISTRICT required to publish a Consumer Confidence Report?

Yes. RIVERDALE PUBLIC UTILITY DISTRICT 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 RIVERDALE PUBLIC UTILITY DISTRICT’s next Consumer Confidence Report due?

RIVERDALE PUBLIC UTILITY DISTRICT’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.

RIVERDALE, CA · Fresno County

RIVERDALE PUBLIC UTILITY DISTRICT Water System

Consumer Confidence Report status

RIVERDALE PUBLIC UTILITY DISTRICT 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 RIVERDALE PUBLIC UTILITY DISTRICT.

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): CA1010028
System type: Community Water System
Population served: 2,756
Service connections: 900
Ownership: local government
Water source: groundwater (wells)

RIVERDALE PUBLIC UTILITY DISTRICT is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 2,756 people from groundwater.

As of August 1, 2026, its federal record holds 12 entries between 1988 and 2014, all of which EPA lists as closed. Nothing has been added since 2014.

None of the 12 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves inorganic chemicals and the Total Coliform Rules.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2014 – June 30, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2010 – June 30, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2009 – December 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2009 – March 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2008 – June 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2006 – June 30, 2006
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 2005 – January 31, 2005
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1992 – August 31, 1992
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
December 1, 1989 – December 31, 1989
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
September 1, 1989 – September 30, 1989
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
August 1, 1989 – August 31, 1989
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
December 1, 1988 – December 31, 1988
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
April 1, 2014 – June 30, 2014	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2010 – June 30, 2010	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2009 – December 31, 2009	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2008 – June 30, 2008	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 1, 2005 – January 31, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 1992 – August 31, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 1989 – December 31, 1989	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
September 1, 1989 – September 30, 1989	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
August 1, 1989 – August 31, 1989	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
December 1, 1988 – December 31, 1988	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived

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

Enforcement actions

March 1, 2018State Compliance achieved22 linked violations
October 16, 2017State Compliance achieved20 linked violations
May 20, 2016Federal Compliance achieved30 linked violations
December 11, 2014State Compliance achieved38 linked violations
September 25, 2008Federal Final Administrative Order issued30 linked violations
April 25, 2005State Administrative/Compliance Order without penalty issued5 linked violations

Common questions

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

ROMERO, VINCENT

559-867-3838

RIVERDALE, CA 93656