SOUTHWEST HORIZON RANCH
Colorado — Community Water System — PWSID: CO0134717
System Information
| PWSID | CO0134717 |
| System Name | SOUTHWEST HORIZON RANCH |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Nov 29, 2001 |
| Last Reported | Feb 23, 2026 |
Location & Contact
| State | Colorado |
| City | DURANGO |
| ZIP Code | 81303 |
| Address | 44 TWINS PINE LN |
| Organization | CHAMBERS, TAMMY |
| Phone | 970-385-7932 |
Population & Service
| Population Served | 323 |
| Service Connections | 60 |
Drinking Water Violations (791)
This water system has 791 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 5, 2022 | — | Other | No | No | — | — | — | Resolved | Jun 30, 2022 | — | |
| May 5, 2022 | — | Other | No | No | — | — | — | Resolved | Jun 30, 2022 | — | |
| May 5, 2022 | — | Other | No | No | — | — | — | Resolved | Jun 30, 2022 | — | |
| Nov 1, 2018 | Nov 30, 2018 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2018 | — | |
| Nov 1, 2018 | Nov 30, 2018 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2018 | — | |
| Nov 1, 2018 | Nov 30, 2018 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 30 ug/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.5 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.5 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.0004 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 30 ug/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.0004 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.0004 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2015 | — |
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.