HAMILTON CREEK MD
Colorado — Community Water System — PWSID: CO0159063
System Information
| PWSID | CO0159063 |
| System Name | HAMILTON CREEK MD |
| 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 | Nov 17, 2025 |
Location & Contact
| State | Colorado |
| City | DILLON |
| ZIP Code | 80435 |
| Address | — |
| Organization | OBERHEIDE, TOM |
| Phone | 970-468-6875 |
Population & Service
| Population Served | 200 |
| Service Connections | 104 |
Drinking Water Violations (15)
This water system has 15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2025 | Sep 30, 2025 | Interim Enhanced Surface Water Treatment Rule | MR | No | Yes | — | — | — | Archived | Sep 30, 2025 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Sep 1, 2025 | Sep 30, 2025 | Interim Enhanced Surface Water Treatment Rule | MR | No | Yes | — | — | — | Archived | Sep 30, 2025 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Aug 1, 2025 | Aug 31, 2025 | Interim Enhanced Surface Water Treatment Rule | MR | No | Yes | — | — | — | Archived | Aug 31, 2025 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Aug 1, 2025 | Aug 31, 2025 | Interim Enhanced Surface Water Treatment Rule | MR | No | Yes | — | — | — | Archived | Aug 31, 2025 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Dec 1, 2024 | Dec 31, 2024 | Interim Enhanced Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | Dec 31, 2024 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Dec 1, 2024 | Dec 31, 2024 | Interim Enhanced Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | Dec 31, 2024 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Dec 1, 2024 | Dec 31, 2024 | Interim Enhanced Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | Dec 31, 2024 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Dec 1, 2024 | Dec 31, 2024 | Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | Dec 31, 2024 | Surface Water Treatment Rule |
| Dec 1, 2024 | Dec 31, 2024 | Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | Dec 31, 2024 | Surface Water Treatment Rule |
| Dec 1, 2024 | Dec 31, 2024 | Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | Dec 31, 2024 | Surface Water Treatment Rule |
| Jul 1, 2007 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 7, 2007 | Consumer Confidence Rule |
| Jul 1, 2007 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 7, 2007 | Consumer Confidence Rule |
| Jul 1, 2003 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 27, 2004 | Consumer Confidence Rule |
| Jul 1, 2003 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 27, 2004 | Consumer Confidence Rule |
| Jan 1, 1998 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 5, 1998 | Lead and Copper 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.