PHOENIX, AZ · Coconino County
ADOT GRAY MOUNTAIN MC Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of February 13, 2009. 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 Coconino 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)
- AZ0403042
- System type
- Community Water System
- Population served
- 20
- Service connections
- 11
- Ownership
- state government
- Water source
- groundwater (wells)
Violation history
Monitoring and Reporting (DBP)
—Chlorine
April 1, 2006 – June 30, 2006
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 1991 – December 31, 1991
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 1991 – November 30, 1991
ArchivedMonitoring, Regular
—Chromium
February 28, 1990 – February 27, 1993
ArchivedMonitoring, Regular
—Fluoride
February 28, 1990 – February 27, 1993
ArchivedMonitoring, Regular
—Nitrate
February 28, 1990 – February 27, 1993
ArchivedMonitoring, Regular
—Selenium
February 28, 1990 – February 27, 1993
ArchivedMonitoring, Regular
—Mercury
February 28, 1990 – February 27, 1993
ArchivedMonitoring, Regular
—Arsenic
February 28, 1990 – February 27, 1993
ArchivedMonitoring, Regular
—Barium
February 28, 1990 – February 27, 1993
ArchivedMonitoring, Regular
—Cadmium
February 28, 1990 – February 27, 1993
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 1, 2006 – June 30, 2006 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| December 1, 1991 – December 31, 1991 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| November 1, 1991 – November 30, 1991 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| February 28, 1990 – February 27, 1993 | Monitoring, Regular | Chromium | — | Archived |
| February 28, 1990 – February 27, 1993 | Monitoring, Regular | Fluoride | — | Archived |
| February 28, 1990 – February 27, 1993 | Monitoring, Regular | Nitrate | — | Archived |
| February 28, 1990 – February 27, 1993 | Monitoring, Regular | Selenium | — | Archived |
| February 28, 1990 – February 27, 1993 | Monitoring, Regular | Mercury | — | Archived |
| February 28, 1990 – February 27, 1993 | Monitoring, Regular | Arsenic | — | Archived |
| February 28, 1990 – February 27, 1993 | Monitoring, Regular | Barium | — | Archived |
| February 28, 1990 – February 27, 1993 | Monitoring, Regular | Cadmium | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Last known contact on file (system is inactive)
ARIZONA DEPT OF TRANSPORTATION
602-712-7550
PHOENIX, AZ 85007