SONORA, CA · Tuolumne County
TUD - PONDEROSA Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
Violation history
Notification, Public
—No contaminant on record
September 1, 1986 – September 30, 1986
ArchivedNotification, Public
—No contaminant on record
August 1, 1986 – August 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 |
|---|---|---|---|---|
| September 1, 1986 – September 30, 1986 | Notification, Public | — | — | Archived |
| August 1, 1986 – August 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
No enforcement actions on record for this system.
Contact
HALL, ERIC
209-532-5536
SONORA, CA 95370