PARKER WSD
Colorado — Community Water System — PWSID: CO0118040
System Information
| PWSID | CO0118040 |
| System Name | PARKER WSD |
| System Type | Community Water System |
| Water Source | Surface 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 | 13939 ANCESTRY DR |
| Organization | ROCHE, JAMES |
| Phone | 303-841-2058 |
Population & Service
| Population Served | 75,949 |
| Service Connections | 20,005 |
Drinking Water Violations (467)
This water system has 467 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 2, 2025 | — | RPT | No | No | — | — | — | Resolved | Nov 26, 2025 | — | |
| Jul 2, 2025 | — | RPT | No | No | — | — | — | Resolved | Nov 26, 2025 | — | |
| Jul 2, 2025 | — | RPT | No | No | — | — | — | Resolved | Nov 26, 2025 | — | |
| Jul 1, 2024 | Jul 31, 2024 | MR | No | Yes | — | 1.0 mg/L | — | Resolved | Jul 31, 2024 | — | |
| Jul 1, 2024 | Jul 31, 2024 | MR | No | Yes | — | 1.0 mg/L | — | Resolved | Jul 31, 2024 | — | |
| Jul 1, 2024 | Jul 31, 2024 | MR | No | Yes | — | 1.0 mg/L | — | Resolved | Jul 31, 2024 | — | |
| Jul 1, 2024 | Jul 31, 2024 | MR | No | Yes | — | 0.8 mg/L | — | Archived | Jul 31, 2024 | — | |
| Jul 1, 2024 | Jul 31, 2024 | MR | No | Yes | — | 0.8 mg/L | — | Archived | Jul 31, 2024 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MR | No | Yes | — | — | — | Resolved | Feb 29, 2024 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MR | No | Yes | — | — | — | Resolved | Feb 29, 2024 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MR | No | Yes | — | — | — | Resolved | Feb 29, 2024 | — | |
| Sep 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Sep 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Sep 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Aug 12, 2022 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Aug 12, 2022 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Aug 12, 2022 | — | |
| Jul 1, 2021 | Dec 31, 2021 | MR | No | No | — | TT | — | Resolved | Dec 31, 2021 | — | |
| Jul 1, 2021 | Dec 31, 2021 | MR | No | No | — | TT | — | Resolved | Dec 31, 2021 | — | |
| Jul 1, 2021 | Dec 31, 2021 | MR | No | No | — | TT | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.2 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.05 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.007 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.007 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.007 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.02 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.003 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.02 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.006 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.007 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.05 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.04 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.02 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.4 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.5 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.007 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.04 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | — | — | Resolved | Dec 31, 2007 | — |
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.