CORNING, CA · Tehama County
CITY OF CORNING Water System
Consumer Confidence Report status
CITY OF CORNING 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 CITY OF CORNING.
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)
- CA5210001
- System type
- Community Water System
- Population served
- 8,244
- Service connections
- 2,438
- Ownership
- local government
- Water source
- groundwater (wells)
CITY OF CORNING is one of 278 community water systems in California in the 3,301 to 10,000 people size category, serving 8,244 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 2002, all of which EPA lists as closed. Nothing has been added since 2002.
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 the Total Coliform Rules.
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2002 – July 31, 2002
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2002 – July 31, 2002 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- February 17, 2004State Violation/Reminder Notice1 linked violation
- August 31, 2002State Compliance achieved1 linked violation
- June 30, 2002State Compliance achieved2 linked violations
- May 30, 2002State Public Notification requested2 linked violations
- December 15, 1992State Public Notification requested1 linked violation
Common questions
Is CITY OF CORNING required to publish a Consumer Confidence Report?
- Yes. CITY OF CORNING 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 CITY OF CORNING’s next Consumer Confidence Report due?
- CITY OF CORNING’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CITY OF CORNING have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CITY OF CORNING.
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
BELLECI, TIFFANY
530-824-7029
CORNING, CA 96021