Public Water Partners

RIVERSIDE, CA · Riverside County

RIVERSIDE, CITY OF Water System

Consumer Confidence Report status

RIVERSIDE, CITY OF 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 RIVERSIDE, CITY OF.

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)
CA3310031
System type
Community Water System
Population served
298,398
Service connections
66,567
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

RIVERSIDE, CITY OF is among the 16 largest community water systems in California, serving 298,398 people from surface water.

As of August 1, 2026, its federal record holds 1 entry in 1981, all of which EPA lists as closed. Nothing has been added since 1981.

None of the 1 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.

Violation history

  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    June 1, 1981 – June 30, 1981

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is RIVERSIDE, CITY OF required to publish a Consumer Confidence Report?

Yes. RIVERSIDE, CITY OF 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 RIVERSIDE, CITY OF’s next Consumer Confidence Report due?

RIVERSIDE, CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does RIVERSIDE, CITY OF have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for RIVERSIDE, CITY OF.

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

GARCIA, DAVID

951-826-8950

RIVERSIDE, CA 92501