AZ STATE PKS - TONTO NATURAL BRIDGE SPR
Arizona — Transient Non-Community — PWSID: AZ0404025
System Information
| PWSID | AZ0404025 |
| System Name | AZ STATE PKS - TONTO NATURAL BRIDGE SPR |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 5, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Arizona |
| City | PHOENIX |
| ZIP Code | 85007 |
| Address | ATTN George Christianson |
| Organization | AZ STATE PARKS |
| Phone | 602-542-6940 |
Population & Service
| Population Served | 100 |
| Service Connections | 7 |
Drinking Water Violations (36)
This water system has 36 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 22, 2025 | — | Public Notice | Other | No | No | — | — | — | Unaddressed | — | Public Notice Rule and Revised PN Rule |
| Jul 18, 2024 | — | E. COLI | MR | No | Yes | — | — | — | Unaddressed | — | Ground Water Rule |
| Jul 18, 2024 | — | E. COLI | MR | No | Yes | — | — | — | Unaddressed | — | Ground Water Rule |
| Jan 1, 2018 | Dec 31, 2018 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | Nitrate Rule |
| Jan 1, 2018 | Dec 31, 2018 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | Nitrate Rule |
| Jan 1, 2018 | Dec 31, 2018 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | Nitrate Rule |
| May 28, 2017 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Jun 9, 2017 | Ground Water Rule |
| Jan 1, 2015 | Dec 31, 2015 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2015 | Nitrate Rule |
| Jan 1, 2015 | Dec 31, 2015 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2015 | Nitrate Rule |
| Jan 1, 2015 | Dec 31, 2015 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2015 | Nitrate Rule |
| Jan 1, 2015 | Dec 31, 2015 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2015 | Nitrate Rule |
| Jun 1, 2008 | Jun 30, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | Total Coliform Rule |
| Jun 1, 2008 | Jun 30, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | Total Coliform Rule |
| Feb 1, 2008 | Feb 29, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2008 | Total Coliform Rule |
| Sep 1, 2007 | Sep 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2007 | Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Jul 1, 2007 | Jul 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2007 | Total Coliform Rule |
| Jun 1, 2007 | Jun 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | Total Coliform Rule |
| Jun 1, 2007 | Jun 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | Total Coliform Rule |
| May 1, 2007 | May 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2007 | Total Coliform Rule |
| Jan 1, 2007 | Jan 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2007 | Total Coliform Rule |
| Oct 1, 2005 | Oct 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2005 | Total Coliform Rule |
| Sep 1, 2005 | Sep 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2005 | Total Coliform Rule |
| Mar 1, 2005 | Mar 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2005 | Total Coliform Rule |
| Dec 1, 2004 | Dec 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | Total Coliform Rule |
| Oct 1, 2004 | Oct 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2004 | Total Coliform Rule |
| Aug 1, 2004 | Aug 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2004 | Total Coliform Rule |
| Jul 1, 2004 | Jul 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2004 | Total Coliform Rule |
| Dec 1, 1991 | Dec 31, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1991 | Total Coliform Rule |
| Dec 1, 1991 | Dec 31, 1991 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Dec 31, 1991 | Total Coliform Rule |
| Nov 1, 1991 | Nov 30, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Nov 30, 1991 | Total Coliform Rule |
| Nov 1, 1991 | Nov 30, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 1991 | Total Coliform Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.