Public Water Partners

CORONA, CA · Riverside County

CORONA, CITY OF Water System

Consumer Confidence Report status

CORONA, 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 CORONA, 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)
CA3310037
System type
Community Water System
Population served
168,575
Service connections
44,981
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

CORONA, CITY OF is one of 92 community water systems in California in the more than 100,000 people size category, serving 168,575 people from surface water.

As of August 1, 2026, its federal record holds 30 entries between 1979 and 2022, all of which EPA lists as closed. Nothing has been added since 2022.

Of the 30, 23 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 synthetic organic chemicals, inorganic chemicals, and volatile organic chemicals.

Violation history

  • Monitoring and Reporting (DBP)

    —

    Total Haloacetic Acids (HAA5)

    April 1, 2022 – June 30, 2022

    Resolved

  • Monitoring, Regular

    —

    Radium-228

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    2,4-D

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    ETHYLENE DIBROMIDE

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Arsenic

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Selenium

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Diquat

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Simazine

    January 1, 2017 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2017 – December 31, 2025

    Archived

  • Notification, Public

    —

    No contaminant on record

    November 1, 1989 – November 30, 1989

    Archived

  • Notification, Public

    —

    No contaminant on record

    January 1, 1989 – January 31, 1989

    Archived

  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    August 30, 1980 – October 29, 1980

    Archived

  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    March 30, 1980 – April 29, 1980

    Archived

  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    March 28, 1980 – April 27, 1980

    Archived

  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    October 30, 1979 – January 29, 1980

    Archived

  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    October 28, 1979 – January 27, 1980

    Archived

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

Enforcement actions

Common questions

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

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

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

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

As of August 1, 2026, EPA's federal records show no open violations for CORONA, 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

JOYCE, STACY

951-736-2265

CORONA, CA 92878