LONE DUCK CG
Colorado - Transient Non-Community - PWSID: CO0221580
System Information
| PWSID | CO0221580 |
| System Name | LONE DUCK CG |
| 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 20, 1979 |
| Last Reported | Feb 23, 2026 |
Location & Contact
| State | Colorado |
| City | CASCADE |
| ZIP Code | 80809 |
| Address | 8855 W US HWY 24 |
| Organization | EHLERS, LAUREN |
| Phone | 207-239-5452 |
Population & Service
| Population Served | 92 |
| Service Connections | 46 |
Drinking Water Violations (55)
This water system has 55 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2020 | Sep 30, 2020 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2020 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2020 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2020 | - | |
| Jul 1, 2018 | Jul 31, 2018 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2018 | - | |
| Jul 1, 2018 | Jul 31, 2018 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2018 | - | |
| Jul 1, 2018 | Jul 31, 2018 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2018 | - | |
| Jun 11, 2017 | - | RPT | No | No | - | - | - | Resolved | Aug 21, 2017 | - | |
| Jun 11, 2017 | - | RPT | No | No | - | - | - | Resolved | Aug 21, 2017 | - | |
| Jun 11, 2017 | - | RPT | No | No | - | - | - | Resolved | Aug 21, 2017 | - | |
| Aug 1, 2016 | Aug 31, 2016 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2016 | - | |
| Aug 1, 2016 | Aug 31, 2016 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2016 | - | |
| Aug 1, 2016 | Aug 31, 2016 | MON | No | Yes | - | - | - | Resolved | Aug 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 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Jul 9, 2021 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Jul 9, 2021 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Jul 9, 2021 | - | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2016 | - | |
| Jun 11, 2016 | - | TT | Yes | No | - | - | - | Resolved | Aug 21, 2017 | - | |
| Jun 11, 2016 | - | TT | Yes | No | - | - | - | Resolved | Aug 21, 2017 | - | |
| Jun 11, 2016 | - | TT | Yes | No | - | - | - | Resolved | Aug 21, 2017 | - | |
| May 1, 2016 | May 31, 2016 | MON | No | Yes | - | - | - | Resolved | May 31, 2016 | - | |
| May 1, 2016 | May 31, 2016 | MON | No | Yes | - | - | - | Resolved | May 31, 2016 | - | |
| May 1, 2016 | May 31, 2016 | MON | No | Yes | - | - | - | Resolved | May 31, 2016 | - | |
| May 1, 2011 | May 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2011 | - | |
| May 1, 2011 | May 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2011 | - | |
| May 1, 2011 | May 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2011 | - | |
| Sep 1, 2010 | - | MR | No | Yes | - | - | - | Resolved | Sep 23, 2014 | - | |
| Sep 1, 2010 | - | MR | No | Yes | - | - | - | Resolved | Sep 23, 2014 | - | |
| Sep 1, 2010 | - | MR | No | Yes | - | - | - | Resolved | Sep 23, 2014 | - | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2010 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2002 | Dec 31, 2010 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2002 | Dec 31, 2010 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jul 1, 1998 | Sep 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Jul 1, 1998 | Sep 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Jul 1, 1998 | Sep 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Apr 1, 1996 | Jun 30, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1996 | - | |
| Apr 1, 1996 | Jun 30, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1996 | - | |
| Apr 1, 1996 | Jun 30, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1996 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1993 | - |
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.