GREAT SAND DUNES HQ
Colorado - Non-Transient Non-Community - PWSID: CO0202300
System Information
| PWSID | CO0202300 |
| System Name | GREAT SAND DUNES HQ |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 20, 1979 |
| Last Reported | Feb 23, 2026 |
Location & Contact
| State | Colorado |
| City | MOSCA |
| ZIP Code | 81146 |
| Address | 11500 HWY 150 |
| Organization | WALTRIP III, OWEN R |
| Phone | 719-378-6373 |
Population & Service
| Population Served | 1,400 |
| Service Connections | 16 |
Drinking Water Violations (52)
This water system has 52 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2024 | - | TT | Yes | No | - | - | - | Resolved | Nov 4, 2024 | - | |
| Nov 1, 2024 | - | TT | Yes | No | - | - | - | Resolved | Nov 4, 2024 | - | |
| Nov 1, 2024 | - | TT | Yes | No | - | - | - | Resolved | Nov 4, 2024 | - | |
| Nov 1, 2024 | - | TT | Yes | No | - | - | - | Resolved | Nov 4, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | No | - | - | - | Resolved | Aug 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | No | - | - | - | Resolved | Aug 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | No | - | - | - | Resolved | Aug 31, 2021 | - | |
| Oct 23, 2020 | - | MR | No | No | - | TT | - | Resolved | Oct 26, 2020 | - | |
| Oct 23, 2020 | - | MR | No | No | - | TT | - | Resolved | Oct 26, 2020 | - | |
| Oct 23, 2020 | - | MR | No | No | - | TT | - | Resolved | Oct 26, 2020 | - | |
| Jul 8, 2020 | - | Other | No | No | - | - | - | Resolved | Oct 26, 2020 | - | |
| Jul 8, 2020 | - | Other | No | No | - | - | - | Resolved | Oct 26, 2020 | - | |
| Nov 1, 2019 | Nov 30, 2019 | MON | No | No | - | - | - | Resolved | Nov 30, 2019 | - | |
| Nov 1, 2019 | Nov 30, 2019 | MON | No | No | - | - | - | Resolved | Nov 30, 2019 | - | |
| Nov 1, 2019 | Nov 30, 2019 | MON | No | No | - | - | - | Resolved | Nov 30, 2019 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 12, 2019 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 12, 2019 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 12, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jan 18, 2018 | - | |
| Jan 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jan 18, 2018 | - | |
| Jan 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jan 18, 2018 | - | |
| Jan 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jan 18, 2018 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.0005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.0005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.0005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Feb 1, 2007 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Feb 1, 2007 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Feb 1, 2007 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Feb 1, 2007 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Feb 1, 2007 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | - | 2 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | - | 0.006 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | - | 0.006 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | - | 0.006 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | - | 2 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | - | 2 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Sep 1, 2001 | Sep 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2001 | - | |
| Sep 1, 2001 | Sep 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2001 | - |
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.