Sells, 09
Cold Fields Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of February 1, 2007. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in 09.
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)
- 090402014
- System type
- Community Water System
- Population served
- 147
- Service connections
- 21
- Ownership
- Native American tribal
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Nitrate
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Nitrate
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 2003 – November 30, 2003
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Nitrate | — | Resolved |
| November 1, 2003 – November 30, 2003 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- August 15, 2006Federal Compliance achieved1 linked violation
- August 15, 2006Federal Compliance achieved1 linked violation
- August 2, 2005Federal Compliance achieved1 linked violation
- August 2, 2005Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- August 2, 2005Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
Tohono O'odham Utility Authority
5203835830
Sells, AZ 85634