EAST VALLEY MD
Colorado - Community Water System - PWSID: CO0103040
System Information
| PWSID | CO0103040 |
| System Name | EAST VALLEY MD |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 20, 1979 |
| Last Reported | Feb 23, 2026 |
Location & Contact
| State | Colorado |
| City | PARKER |
| ZIP Code | 80134 |
| Address | - |
| Organization | CLODFELTER, BETH |
| Phone | 303-472-3090 |
Population & Service
| Population Served | 230 |
| Service Connections | 100 |
Drinking Water Violations (39)
This water system has 39 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 11, 2025 | - | Other | No | No | - | - | - | Resolved | Sep 11, 2025 | - | |
| Jul 11, 2025 | - | Other | No | No | - | - | - | Resolved | Sep 11, 2025 | - | |
| Jul 11, 2025 | - | Other | No | No | - | - | - | Resolved | Sep 11, 2025 | - | |
| Jul 11, 2025 | - | Other | No | No | - | - | - | Resolved | Sep 11, 2025 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 1, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 1, 2021 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 1, 2021 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Oct 5, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Oct 5, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Oct 5, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Oct 5, 2014 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Aug 30, 2011 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Aug 30, 2011 | - | |
| Oct 1, 2001 | - | MR | No | No | - | TT | - | Resolved | Aug 29, 2008 | - | |
| Oct 1, 2001 | - | MR | No | No | - | TT | - | Resolved | Aug 29, 2008 | - | |
| Oct 1, 2001 | - | MR | No | No | - | TT | - | Resolved | Aug 29, 2008 | - | |
| Jun 1, 1998 | Jun 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Jun 1, 1998 | Jun 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Jun 1, 1998 | Jun 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| 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 | - | |
| 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 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.