TUCSON, AZ · Pima County
DEEP WELL COOP Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of August 18, 2025. 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 Pima County, AZ.
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 Arizona’s official records. Always confirm current status with Arizona before making decisions based on this information.
System facts
- System ID (PWSID)
- AZ0420598
- System type
- Community Water System
- Population served
- 17
- Service connections
- 13
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Public Notification Violation for NPDWR Violation
—Public Notice
December 20, 2024 – June 30, 2025
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2016 – February 15, 2017
ResolvedMonitoring, Source Water (GWR)
—E. COLI
September 12, 2012 – December 9, 2012
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2010 – February 20, 2013
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2009 – June 30, 2009
ResolvedMonitoring, Regular
—Toluene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Styrene
January 1, 1999 – December 31, 2001
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 20, 2024 – June 30, 2025 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| October 1, 2016 – February 15, 2017 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| September 12, 2012 – December 9, 2012 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| October 1, 2010 – February 20, 2013 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| April 1, 2009 – June 30, 2009 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Styrene | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Last known contact on file (system is inactive)
JOHNS, LETICIA
Phone not on record
TUCSON, AZ 85736