PROSPECT MOUNTAIN WC
Colorado — Community Water System — PWSID: CO0135621
System Information
| PWSID | CO0135621 |
| System Name | PROSPECT MOUNTAIN WC |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Inactive |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 20, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Colorado |
| City | LOUISVILLE |
| ZIP Code | 80027 |
| Address | 950 SPRUCE ST STE 1C |
| Organization | HEPNER, DANIEL |
| Phone | 303-444-5141 |
Population & Service
| Population Served | 350 |
| Service Connections | 139 |
Drinking Water Violations (367)
This water system has 367 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2016 | — | MR | No | No | — | TT | — | Resolved | Mar 14, 2017 | — | |
| Dec 31, 2016 | — | MR | No | No | — | TT | — | Resolved | Mar 14, 2017 | — | |
| Dec 31, 2016 | — | MR | No | No | — | TT | — | Resolved | Mar 14, 2017 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Nov 3, 2015 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Nov 3, 2015 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Nov 3, 2015 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Nov 3, 2015 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Nov 3, 2015 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Nov 3, 2015 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2009 | — | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2009 | — | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2009 | — | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2009 | — | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2009 | — | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2009 | — | |
| Oct 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Oct 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Oct 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Jun 1, 2009 | Jun 30, 2009 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2009 | — | |
| Jun 1, 2009 | Jun 30, 2009 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2009 | — | |
| Jun 1, 2009 | Jun 30, 2009 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2009 | — | |
| Jun 1, 2009 | Jun 30, 2009 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2009 | — | |
| May 1, 2009 | May 31, 2009 | MR | No | Yes | — | — | — | Resolved | May 31, 2009 | — | |
| May 1, 2009 | May 31, 2009 | MR | No | Yes | — | — | — | Resolved | May 31, 2009 | — | |
| May 1, 2009 | May 31, 2009 | MR | No | Yes | — | — | — | Resolved | May 31, 2009 | — | |
| Oct 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Aug 26, 2008 | — | |
| Oct 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Aug 26, 2008 | — | |
| Oct 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Aug 26, 2008 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Oct 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Aug 26, 2008 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Oct 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Aug 26, 2008 | — | |
| Oct 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Aug 26, 2008 | — | |
| Feb 1, 2006 | Feb 28, 2006 | TT | Yes | No | — | — | — | Resolved | Feb 28, 2006 | — | |
| Feb 1, 2006 | Feb 28, 2006 | TT | Yes | No | — | — | — | Resolved | Feb 28, 2006 | — | |
| Feb 1, 2006 | Feb 28, 2006 | TT | Yes | No | — | — | — | Resolved | Feb 28, 2006 | — | |
| Feb 1, 2006 | Feb 28, 2006 | TT | Yes | No | — | — | — | Resolved | Feb 28, 2006 | — | |
| Feb 1, 2006 | Feb 28, 2006 | MR | No | No | — | — | — | Resolved | Feb 28, 2006 | — | |
| Feb 1, 2006 | Feb 28, 2006 | MR | No | No | — | — | — | Resolved | Feb 28, 2006 | — | |
| Feb 1, 2006 | Feb 28, 2006 | MR | No | No | — | — | — | Resolved | Feb 28, 2006 | — | |
| Feb 1, 2006 | Feb 28, 2006 | MR | No | No | — | — | — | Resolved | Feb 28, 2006 | — | |
| Jan 1, 2006 | Jan 31, 2006 | TT | Yes | No | — | — | — | Resolved | Jan 31, 2006 | — |
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.