Middletown, 09
Middletown Rancheria Community Water System Water System
Current status
1 open health-based violation on record as of July 4, 2026, alongside 3 other open item(s). See the violation history below for contaminant and status details.
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 EPA Region 9’s official records. Always confirm current status with EPA Region 9 before making decisions based on this information.
System facts
- System ID (PWSID)
- 090600141
- System type
- Community Water System
- Population served
- 487
- Service connections
- 48
- Ownership
- Native American tribal
- Water source
- groundwater (wells)
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
July 1, 2025
UnaddressedFailure To Address Deficiency
Health-basedGroundwater Rule
May 17, 2025
UnaddressedPublic Notification Violation for NPDWR Violation
—Public Notice
May 17, 2025
UnaddressedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2025
UnaddressedReport Sample Result/Fail Monitor (RTCR)
—Revised Total Coliform Rule
February 1, 2024 – March 21, 2024
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2025 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Unaddressed |
| May 17, 2025 | Failure To Address Deficiency | Groundwater Rule | Health-based | Unaddressed |
| May 17, 2025 | Public Notification Violation for NPDWR Violation | Public Notice | — | Unaddressed |
| January 1, 2025 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Unaddressed |
| February 1, 2024 – March 21, 2024 | Report Sample Result/Fail Monitor (RTCR) | Revised Total Coliform Rule | — | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- December 2, 2025Federal Violation/Reminder Notice1 linked violation
- September 22, 2025Federal Violation/Reminder Notice1 linked violation
- September 16, 2025Federal Violation/Reminder Notice1 linked violation
- March 21, 2024Federal Compliance achieved1 linked violation
Contact
Middletown Rancheria of Pomo Indians of California
Phone not on record
Middletown, CA 95461