GRASS VALLEY, CA · Nevada County
CITY OF GRASS VALLEY Water System
Consumer Confidence Report status
CITY OF GRASS VALLEY 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 GRASS VALLEY.
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)
- CA2910001
- System type
- Community Water System
- Population served
- 4,947
- Service connections
- 2,731
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
CITY OF GRASS VALLEY is one of 278 community water systems in California in the 3,301 to 10,000 people size category, serving 4,947 people from surface water.
As of August 1, 2026, its federal record holds 1 entry in 1988, all of which EPA lists as closed. Nothing has been added since 1988.
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 Miscellaneous Other Rules.
Violation history
Notification, Public
—No contaminant on record
October 1, 1988 – October 31, 1988
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 1988 – October 31, 1988 | Notification, Public | — | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- August 26, 2020State Compliance achieved1 linked violation
Common questions
Is CITY OF GRASS VALLEY required to publish a Consumer Confidence Report?
- Yes. CITY OF GRASS VALLEY 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 GRASS VALLEY’s next Consumer Confidence Report due?
- CITY OF GRASS VALLEY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CITY OF GRASS VALLEY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CITY OF GRASS VALLEY.
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
VAN NOORT, TREVER
530-274-4371
GRASS VALLEY, CA 95945