TUNNEL CG
Colorado — Transient Non-Community — PWSID: CO0335221
System Information
| PWSID | CO0335221 |
| System Name | TUNNEL CG |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 30, 1991 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Colorado |
| City | FORT COLLINS |
| ZIP Code | 80526 |
| Address | 2150 CENTRE AVE BLDG E |
| Organization | BOX, KAMBER |
| Phone | 970-218-5156 |
Population & Service
| Population Served | 392 |
| Service Connections | 1 |
Drinking Water Violations (21)
This water system has 21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 10, 2016 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Aug 24, 2016 | Revised Total Coliform Rule |
| Jul 10, 2016 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Aug 24, 2016 | Revised Total Coliform Rule |
| Jul 10, 2016 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Aug 24, 2016 | Revised Total Coliform Rule |
| Jun 1, 2016 | Jun 30, 2016 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2016 | Revised Total Coliform Rule |
| Jun 1, 2016 | Jun 30, 2016 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2016 | Revised Total Coliform Rule |
| Jun 1, 2016 | Jun 30, 2016 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2016 | Revised Total Coliform Rule |
| Jan 1, 2014 | Dec 31, 2014 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2014 | Nitrate Rule |
| Jan 1, 2014 | Dec 31, 2014 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2014 | Nitrate Rule |
| Jan 1, 2014 | Dec 31, 2014 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2014 | Nitrate Rule |
| Jan 1, 2011 | Dec 31, 2019 | Nitrite | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2019 | Nitrate Rule |
| Jan 1, 2011 | Dec 31, 2019 | Nitrite | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2019 | Nitrate Rule |
| Jan 1, 2011 | Dec 31, 2019 | Nitrite | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2019 | 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 |
| Jun 1, 2008 | Jun 30, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | Total Coliform Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 1994 | Dec 31, 1994 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1994 | Nitrate Rule |
| Jan 1, 1994 | Dec 31, 1994 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1994 | Nitrate Rule |
| Jan 1, 1994 | Dec 31, 1994 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1994 | Nitrate Rule |
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.