GRIDLEY, CA · Butte County
CITY OF GRIDLEY Water System
Consumer Confidence Report status
CITY OF GRIDLEY 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 GRIDLEY.
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)
- CA0410004
- System type
- Community Water System
- Population served
- 7,269
- Service connections
- 2,282
- Ownership
- local government
- Water source
- groundwater (wells)
CITY OF GRIDLEY is one of 278 community water systems in California in the 3,301 to 10,000 people size category, serving 7,269 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries between 2002 and 2008, all of which EPA lists as closed. Nothing has been added since 2008.
Of the 2, 1 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 inorganic chemicals.
Violation history
Maximum Contaminant Level Violation, Average
Health-basedArsenic
October 1, 2008 – December 13, 2007
ResolvedMonitoring, Regular
—Nitrate
January 1, 2002 – December 31, 2002
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2008 – December 13, 2007 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | Nitrate | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- December 13, 2007State Compliance achieved4 linked violations
- November 16, 2007State Compliance achieved2 linked violations
- April 30, 1999State Compliance achieved8 linked violations
- April 1, 1999State Public Notification requested14 linked violations
Common questions
Is CITY OF GRIDLEY required to publish a Consumer Confidence Report?
- Yes. CITY OF GRIDLEY 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 GRIDLEY’s next Consumer Confidence Report due?
- CITY OF GRIDLEY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CITY OF GRIDLEY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CITY OF GRIDLEY.
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
TANABE, JACOB
530-846-5695
GRIDLEY, CA 95948