NORCO, CA · Riverside County
NORCO, CITY OF Water System
Consumer Confidence Report status
NORCO, 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 NORCO, 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)
- CA3310025
- System type
- Community Water System
- Population served
- 25,068
- Service connections
- 7,100
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
NORCO, CITY OF is one of 376 community water systems in California in the 10,001 to 100,000 people size category, serving 25,068 people from surface water.
As of August 1, 2026, its federal record holds 25 entries between 1986 and 2025, all of which EPA lists as closed.
Of the 25, 19 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 the Stage 2 Disinfectants and Disinfection Byproducts Rule.
Violation history
Maximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—Methoxychlor
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—2,3,7,8-TCDD
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—2,4-D
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Selenium
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Endrin
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Diquat
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Endothall
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Picloram
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2024 – December 31, 2024
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
April 1, 2013 – April 30, 2013
ResolvedMonitoring, Check/Repeat/Confirmation
—Benzene
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Nitrate
January 1, 2009 – December 31, 2009
ResolvedMaximum Contaminant Level Violation, Average
Health-basedArsenic
July 1, 2007 – September 30, 2007
ResolvedMaximum Contaminant Level Violation, Average
Health-basedArsenic
April 1, 2007 – June 30, 2007
ResolvedMaximum Contaminant Level Violation, Single Sample
Health-basedNitrate
June 1, 1993 – June 30, 1993
ResolvedMaximum Contaminant Level Violation, Single Sample
Health-basedFluoride
June 1, 1986 – June 30, 1986
Archived
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2025 – September 30, 2025 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | 2,3,7,8-TCDD | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| April 1, 2013 – April 30, 2013 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Check/Repeat/Confirmation | Benzene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 2007 – September 30, 2007 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| April 1, 2007 – June 30, 2007 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| June 1, 1993 – June 30, 1993 | Maximum Contaminant Level Violation, Single Sample | Nitrate | Health-based | Resolved |
| June 1, 1986 – June 30, 1986 | Maximum Contaminant Level Violation, Single Sample | Fluoride | Health-based | Archived |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- October 7, 2025State Administrative/Compliance Order without penalty issued1 linked violation
- September 2, 2025State Administrative/Compliance Order without penalty issued42 linked violations
- August 7, 2025State Compliance achieved42 linked violations
- May 1, 2013State Compliance achieved1 linked violation
- October 28, 2011State Formal Notice of Violation issued1 linked violation
- October 28, 2011State Compliance achieved1 linked violation
- February 9, 2010State Violation/Reminder Notice4 linked violations
- February 2, 2010State Violation/Reminder Notice3 linked violations
- December 1, 2009State Compliance achieved1 linked violation
- November 19, 2007State Compliance achieved3 linked violations
- October 4, 2007State Formal Notice of Violation issued3 linked violations
- September 15, 2003State Compliance achieved1 linked violation
- July 18, 2002State Violation/Reminder Notice1 linked violation
- October 17, 2001State Compliance achieved1 linked violation
- October 17, 2001State Administrative/Compliance Order without penalty issued1 linked violation
- October 15, 2001State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- October 29, 1996State Compliance achieved2 linked violations
- February 16, 1996State Formal Notice of Violation issued2 linked violations
- December 1, 1995State Administrative/Compliance Order without penalty issued8 linked violations
- October 18, 1994State Compliance achieved8 linked violations
- October 18, 1994State Administrative Penalty assessed8 linked violations
Common questions
Is NORCO, CITY OF required to publish a Consumer Confidence Report?
- Yes. NORCO, 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 NORCO, CITY OF’s next Consumer Confidence Report due?
- NORCO, CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does NORCO, CITY OF have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for NORCO, 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
NELSON, SAM
951-270-5677
NORCO, CA 92860