DILLON TOWN OF
Colorado - Community Water System - PWSID: CO0159035
System Information
| PWSID | CO0159035 |
| System Name | DILLON TOWN OF |
| 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 | DILLON |
| ZIP Code | 80435 |
| Address | - |
| Organization | HELMAN, MARK A |
| Phone | 970-262-3426 |
Population & Service
| Population Served | 3,254 |
| Service Connections | 566 |
Drinking Water Violations (30)
This water system has 30 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 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Oct 1, 2017 | Oct 31, 2017 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2017 | - | |
| Oct 1, 2017 | Oct 31, 2017 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2017 | - | |
| Oct 1, 2017 | Oct 31, 2017 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2017 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | No | - | 0.060 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | No | - | 0.060 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | No | - | 0.060 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | No | - | 0.080 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | No | - | 0.080 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | No | - | 0.080 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jan 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Sep 26, 2016 | - | |
| Jan 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Sep 26, 2016 | - | |
| Jan 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Sep 26, 2016 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Mar 1, 2007 | Mar 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2007 | - | |
| Mar 1, 2007 | Mar 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2007 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2006 | - |
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.