FAST MARKET NO 4591
Colorado - Transient Non-Community - PWSID: CO0221760
System Information
| PWSID | CO0221760 |
| System Name | FAST MARKET NO 4591 |
| 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 | Jan 24, 1981 |
| Last Reported | Feb 23, 2026 |
Location & Contact
| State | Colorado |
| City | CASTLE ROCK |
| ZIP Code | 80104 |
| Address | 3995 S CASTLEWOOD CANYON RD |
| Organization | PARKER, WILL S |
| Phone | 303-681-2253 |
Population & Service
| Population Served | 911 |
| Service Connections | 1 |
Drinking Water Violations (75)
This water system has 75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2012 | Jan 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2012 | - | |
| Jan 1, 2012 | Jan 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2012 | - | |
| Jan 1, 2012 | Jan 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2012 | - | |
| May 1, 2004 | May 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2004 | - | |
| May 1, 2004 | May 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2004 | - | |
| May 1, 2004 | May 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2004 | - | |
| Jul 1, 2003 | Jul 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2003 | - | |
| Jul 1, 2003 | Jul 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2003 | - | |
| Jul 1, 2003 | Jul 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2003 | - | |
| Jul 1, 2003 | Jul 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2003 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2000 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2000 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2000 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2000 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2000 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2000 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2000 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2000 | - | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Oct 1, 1999 | Dec 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1999 | - | |
| Oct 1, 1999 | Dec 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1999 | - | |
| Oct 1, 1999 | Dec 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1999 | - | |
| Jul 1, 1999 | Sep 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1999 | - | |
| Jul 1, 1999 | Sep 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1999 | - | |
| Jul 1, 1999 | Sep 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1999 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Oct 1, 1997 | Dec 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1997 | - | |
| Oct 1, 1997 | Dec 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1997 | - | |
| Oct 1, 1997 | Dec 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1997 | - | |
| Apr 1, 1996 | Jun 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1996 | - | |
| Apr 1, 1996 | Jun 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1996 | - | |
| Apr 1, 1996 | Jun 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1996 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1994 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1994 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1994 | - | |
| Jan 1, 1994 | Mar 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Mar 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 | - |
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.