SONORA, CA · Tuolumne County
TUD - PONDEROSA Water System
Consumer Confidence Report status
TUD - PONDEROSA 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 - PONDEROSA.
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)
- CA5510002
- System type
- Community Water System
- Population served
- 1,767
- Service connections
- 637
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
TUD - PONDEROSA is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 1,767 people from surface water.
As of August 1, 2026, its federal record holds 4 entries in 1986, all of which EPA lists as closed. Nothing has been added since 1986.
None of the 4 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
August 1, 1986 – August 31, 1986
ArchivedNotification, Public
—No contaminant on record
July 1, 1986 – July 31, 1986
ArchivedNotification, Public
—No contaminant on record
February 1, 1986 – February 28, 1986
ArchivedNotification, Public
—No contaminant on record
January 1, 1986 – January 31, 1986
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| August 1, 1986 – August 31, 1986 | Notification, Public | — | — | Archived |
| July 1, 1986 – July 31, 1986 | Notification, Public | — | — | Archived |
| February 1, 1986 – February 28, 1986 | Notification, Public | — | — | Archived |
| January 1, 1986 – January 31, 1986 | Notification, Public | — | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- August 27, 2025State Formal Notice of Violation issued11 linked violations
- September 30, 1986State Public Notification received2 linked violations
Common questions
Is TUD - PONDEROSA required to publish a Consumer Confidence Report?
- Yes. TUD - PONDEROSA 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 - PONDEROSA’s next Consumer Confidence Report due?
- TUD - PONDEROSA’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does TUD - PONDEROSA have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for TUD - PONDEROSA.
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