PCNR COLOSSAL CAVE
Arizona — Transient Non-Community — PWSID: AZ0420023
System Information
| PWSID | AZ0420023 |
| System Name | PCNR COLOSSAL CAVE |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 5, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Arizona |
| City | TUCSON |
| ZIP Code | 85704 |
| Address | 444 W ORANGE GROVE RD |
| Organization | SIMBARI, GREGORY |
| Phone | 520-724-5116 |
Population & Service
| Population Served | 210 |
| Service Connections | 6 |
Drinking Water Violations (27)
This water system has 27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2023 | Sep 30, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Sep 30, 2023 | Revised Total Coliform Rule |
| Sep 1, 2023 | Sep 30, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Sep 30, 2023 | Revised Total Coliform Rule |
| Jun 1, 2017 | Jun 30, 2017 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2017 | Revised Total Coliform Rule |
| Sep 1, 2014 | Sep 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2014 | Total Coliform Rule |
| Sep 1, 2014 | Sep 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2014 | Total Coliform Rule |
| Jan 1, 2012 | Dec 31, 2012 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2012 | Nitrate Rule |
| Jan 1, 2012 | Dec 31, 2012 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2012 | Nitrate Rule |
| Sep 1, 2008 | Sep 30, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2008 | Total Coliform Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Jan 31, 2007 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2007 | Total Coliform Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Sep 1, 2004 | Sep 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2004 | Total Coliform Rule |
| Jan 1, 2003 | Jan 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2003 | Total Coliform Rule |
| Dec 1, 2002 | Dec 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2002 | Total Coliform Rule |
| Dec 1, 2002 | Dec 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2002 | Total Coliform Rule |
| Jan 1, 2001 | Dec 31, 2001 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2001 | Nitrate Rule |
| Jul 1, 1999 | Jul 31, 1999 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1999 | Total Coliform Rule |
| Jan 1, 1999 | Dec 31, 1999 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1999 | Nitrate Rule |
| Sep 30, 1990 | Sep 29, 1993 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Archived | Sep 29, 1993 | Inorganic Chemicals |
| Oct 1, 1987 | Sep 29, 1990 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Archived | Sep 29, 1990 | Inorganic Chemicals |
| Oct 1, 1987 | Sep 29, 1990 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Sep 29, 1990 | Inorganic Chemicals |
| Oct 1, 1987 | Sep 29, 1990 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Archived | Sep 29, 1990 | Arsenic Rule |
| Oct 1, 1987 | Sep 29, 1990 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Sep 29, 1990 | Nitrate Rule |
| Oct 1, 1987 | Sep 29, 1990 | Barium | MR | No | Yes | — | 2 mg/L | — | Archived | Sep 29, 1990 | Inorganic Chemicals |
| Oct 1, 1987 | Sep 29, 1990 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Archived | Sep 29, 1990 | Inorganic Chemicals |
| Oct 1, 1987 | Sep 29, 1990 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Archived | Sep 29, 1990 | Inorganic Chemicals |
| Oct 1, 1987 | Sep 29, 1990 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Archived | Sep 29, 1990 | Inorganic Chemicals |
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.