MATTERHORN CG
Colorado - Transient Non-Community - PWSID: CO0357500
System Information
| PWSID | CO0357500 |
| System Name | MATTERHORN 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 23, 1988 |
| Last Reported | Feb 23, 2026 |
Location & Contact
| State | Colorado |
| City | DELTA |
| ZIP Code | 81416 |
| Address | 2250 S MAIN ST |
| Organization | MATOS, DARIS |
| Phone | 970-874-6635 |
Population & Service
| Population Served | 50 |
| Service Connections | 15 |
Drinking Water Violations (89)
This water system has 89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Jul 2, 2025 | - | |
| May 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Jul 2, 2025 | - | |
| May 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Jul 2, 2025 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2019 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2019 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2019 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2019 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2019 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2019 | - | |
| Jul 1, 2019 | Jul 31, 2019 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2019 | - | |
| Jul 1, 2019 | Jul 31, 2019 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2019 | - | |
| Jul 1, 2019 | Jul 31, 2019 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2019 | - | |
| Jun 1, 2019 | Jun 30, 2019 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2019 | - | |
| Jun 1, 2019 | Jun 30, 2019 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2019 | - | |
| Jun 1, 2019 | Jun 30, 2019 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2019 | - | |
| Jun 1, 2019 | Jun 30, 2019 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2019 | - | |
| Jun 1, 2019 | Jun 30, 2019 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2019 | - | |
| Jun 1, 2019 | Jun 30, 2019 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2019 | - | |
| May 1, 2019 | May 31, 2019 | MR | No | Yes | - | - | - | Resolved | May 31, 2019 | - | |
| May 1, 2019 | May 31, 2019 | MR | No | Yes | - | - | - | Resolved | May 31, 2019 | - | |
| May 1, 2019 | May 31, 2019 | MR | No | Yes | - | - | - | Resolved | May 31, 2019 | - | |
| May 1, 2019 | May 31, 2019 | MR | No | Yes | - | - | - | Resolved | May 31, 2019 | - | |
| May 1, 2019 | May 31, 2019 | MR | No | Yes | - | - | - | Resolved | May 31, 2019 | - | |
| May 1, 2019 | May 31, 2019 | MR | No | Yes | - | - | - | Resolved | May 31, 2019 | - | |
| Aug 1, 2018 | Aug 31, 2018 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2018 | - | |
| Aug 1, 2018 | Aug 31, 2018 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2018 | - | |
| Aug 1, 2018 | Aug 31, 2018 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2018 | - | |
| Aug 1, 2018 | Aug 31, 2018 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2018 | - | |
| Aug 1, 2018 | Aug 31, 2018 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2018 | - | |
| Aug 1, 2018 | Aug 31, 2018 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2018 | - | |
| Jul 1, 2018 | Jul 31, 2018 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2018 | - | |
| Jul 1, 2018 | Jul 31, 2018 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2018 | - | |
| Jul 1, 2018 | Jul 31, 2018 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2018 | - | |
| Jul 1, 2018 | Jul 31, 2018 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2018 | - | |
| Jul 1, 2018 | Jul 31, 2018 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2018 | - | |
| Jul 1, 2018 | Jul 31, 2018 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2018 | - | |
| Jun 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2018 | - | |
| Jun 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2018 | - | |
| Jun 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2018 | - | |
| Jun 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2018 | - | |
| Jun 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2018 | - | |
| Jun 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2018 | - | |
| May 1, 2018 | May 31, 2018 | MR | No | Yes | - | - | - | Resolved | May 31, 2018 | - | |
| May 1, 2018 | May 31, 2018 | MR | No | Yes | - | - | - | Resolved | May 31, 2018 | - |
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.