TWIN RIVERS GUEST RANCH
Colorado - Transient Non-Community - PWSID: CO0211950
System Information
| PWSID | CO0211950 |
| System Name | TWIN RIVERS GUEST RANCH |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 15, 1990 |
| Last Reported | Feb 23, 2026 |
Location & Contact
| State | Colorado |
| City | ANTONITO |
| ZIP Code | 81120 |
| Address | 34044 HIGHWAY 17 |
| Organization | NELSON, JOHN |
| Phone | 719-376-5710 |
Population & Service
| Population Served | 100 |
| Service Connections | 47 |
Drinking Water Violations (76)
This water system has 76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 11, 2024 | - | RPT | No | No | - | - | - | Resolved | Sep 18, 2024 | - | |
| Jun 11, 2024 | - | RPT | No | No | - | - | - | Resolved | Sep 18, 2024 | - | |
| Jun 11, 2024 | - | RPT | No | No | - | - | - | Resolved | Sep 18, 2024 | - | |
| May 2, 2021 | - | Other | No | No | - | - | - | Resolved | May 28, 2021 | - | |
| May 2, 2021 | - | Other | No | No | - | - | - | Resolved | May 28, 2021 | - | |
| Apr 10, 2021 | - | TT | Yes | No | - | - | - | Resolved | Nov 30, 2021 | - | |
| Apr 10, 2021 | - | TT | Yes | No | - | - | - | Resolved | Nov 30, 2021 | - | |
| Apr 10, 2021 | - | TT | Yes | No | - | - | - | Resolved | Nov 30, 2021 | - | |
| Apr 10, 2021 | - | TT | Yes | No | - | - | - | Resolved | Nov 30, 2021 | - | |
| Dec 10, 2020 | - | Other | No | No | - | - | - | Resolved | Apr 13, 2021 | - | |
| Dec 10, 2020 | - | TT | Yes | No | - | - | - | Resolved | Apr 21, 2021 | - | |
| Dec 10, 2020 | - | TT | Yes | No | - | - | - | Resolved | Apr 21, 2021 | - | |
| Dec 10, 2020 | - | TT | Yes | No | - | - | - | Resolved | Apr 21, 2021 | - | |
| Dec 10, 2020 | - | TT | Yes | No | - | - | - | Resolved | Apr 21, 2021 | - | |
| Dec 10, 2020 | - | Other | No | No | - | - | - | Resolved | Apr 13, 2021 | - | |
| Dec 10, 2020 | - | Other | No | No | - | - | - | Resolved | Apr 13, 2021 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MCL | Yes | No | - | - | - | Resolved | Sep 30, 2020 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MCL | Yes | No | - | - | - | Resolved | Sep 30, 2020 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MCL | Yes | No | - | - | - | Resolved | Sep 30, 2020 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MCL | Yes | No | - | - | - | Resolved | Sep 30, 2020 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MCL | Yes | No | - | - | - | Resolved | Sep 30, 2020 | - | |
| Jul 27, 2019 | - | MR | No | Yes | - | - | - | Resolved | Aug 30, 2019 | - | |
| Jul 27, 2019 | - | MR | No | Yes | - | - | - | Resolved | Aug 30, 2019 | - | |
| Jul 27, 2019 | - | MR | No | Yes | - | - | - | Resolved | Aug 30, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2016 | - | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2016 | - | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2016 | Dec 20, 2016 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 20, 2016 | - | |
| Jan 1, 2016 | Dec 20, 2016 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 20, 2016 | - | |
| Jan 1, 2016 | Dec 20, 2016 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 20, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 2009 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - |
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.