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 | Nov 17, 2025 |
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 (32)
This water system has 32 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 | — | Revised Total Coliform Rule | Other | No | No | — | — | — | Resolved | Sep 11, 2025 | Revised Total Coliform Rule |
| Jul 11, 2025 | — | Revised Total Coliform Rule | Other | No | No | — | — | — | Resolved | Sep 11, 2025 | Revised Total Coliform Rule |
| Jul 11, 2025 | — | Revised Total Coliform Rule | Other | No | No | — | — | — | Resolved | Sep 11, 2025 | Revised Total Coliform Rule |
| Jul 11, 2025 | — | Revised Total Coliform Rule | Other | No | No | — | — | — | Resolved | Sep 11, 2025 | Revised Total Coliform Rule |
| Aug 1, 2022 | Aug 31, 2022 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2022 | Revised Total Coliform Rule |
| Aug 1, 2022 | Aug 31, 2022 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2022 | Revised Total Coliform Rule |
| Aug 1, 2022 | Aug 31, 2022 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2022 | Revised Total Coliform Rule |
| Jul 1, 2022 | Sep 30, 2022 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 | Sep 30, 2022 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 | Sep 30, 2022 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 | Dec 31, 2021 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2021 | Nitrate Rule |
| Jan 1, 2021 | Dec 31, 2021 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2021 | Nitrate Rule |
| Jan 1, 2021 | Dec 31, 2021 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2021 | Nitrate Rule |
| Jan 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 1, 2021 | Lead and Copper Rule |
| Jan 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 1, 2021 | Lead and Copper Rule |
| Jan 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 1, 2021 | Lead and Copper Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 5, 2014 | Consumer Confidence Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 5, 2014 | Consumer Confidence Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 5, 2014 | Consumer Confidence Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 5, 2014 | Consumer Confidence Rule |
| Jul 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 30, 2011 | Consumer Confidence Rule |
| Jul 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 30, 2011 | Consumer Confidence Rule |
| Oct 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 29, 2008 | Lead and Copper Rule |
| Oct 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 29, 2008 | Lead and Copper Rule |
| Oct 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 29, 2008 | Lead and Copper Rule |
| Jun 1, 1998 | Jun 30, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1998 | Total Coliform Rule |
| Jun 1, 1998 | Jun 30, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1998 | Total Coliform Rule |
| Jun 1, 1998 | Jun 30, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1998 | Total Coliform Rule |
| Jan 1, 1993 | Dec 31, 1993 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1993 | Nitrate Rule |
| Jan 1, 1993 | Dec 31, 1993 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1993 | Nitrate Rule |
| Jan 1, 1993 | Dec 31, 1993 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1993 | Nitrate Rule |
| Jan 1, 1993 | Dec 31, 1993 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1993 | Nitrate Rule |
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.