SONORA, CA · Tuolumne County
TUD - SONORA/JAMESTOWN WATER SYSTEM Water System
Consumer Confidence Report status
TUD - SONORA/JAMESTOWN WATER SYSTEM 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 TUD - SONORA/JAMESTOWN WATER SYSTEM.
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)
- CA5510001
- System type
- Community Water System
- Population served
- 11,054
- Service connections
- 5,121
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
TUD - SONORA/JAMESTOWN WATER SYSTEM is one of 376 community water systems in California in the 10,001 to 100,000 people size category, serving 11,054 people from surface water.
As of August 1, 2026, its federal record holds 1 entry in 1980, all of which EPA lists as closed. Nothing has been added since 1980.
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
July 28, 1980 – August 27, 1980
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 28, 1980 – August 27, 1980 | Notification, Public | — | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is TUD - SONORA/JAMESTOWN WATER SYSTEM required to publish a Consumer Confidence Report?
- Yes. TUD - SONORA/JAMESTOWN WATER SYSTEM 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 TUD - SONORA/JAMESTOWN WATER SYSTEM’s next Consumer Confidence Report due?
- TUD - SONORA/JAMESTOWN WATER SYSTEM’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does TUD - SONORA/JAMESTOWN WATER SYSTEM have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for TUD - SONORA/JAMESTOWN WATER SYSTEM.
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
HALL, ERIC
209-532-5536
SONORA, CA 95370