DILLON VALLEY DISTRICT
Colorado — Community Water System — PWSID: CO0159040
System Information
| PWSID | CO0159040 |
| System Name | DILLON VALLEY DISTRICT |
| 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 | JUSTICH, ANGELIQUE |
| Phone | 970-306-7233 |
Population & Service
| Population Served | 3,063 |
| Service Connections | 435 |
Drinking Water Violations (13)
This water system has 13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2025 | Nov 30, 2025 | MR | No | Yes | — | — | — | Resolved | Nov 17, 2025 | — | |
| Nov 1, 2025 | Nov 30, 2025 | MR | No | Yes | — | — | — | Resolved | Nov 17, 2025 | — | |
| Nov 1, 2025 | Nov 30, 2025 | MR | No | Yes | — | — | — | Resolved | Nov 17, 2025 | — | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Nov 17, 2025 | — | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Nov 17, 2025 | — | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Nov 17, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MR | No | Yes | — | TT | — | Resolved | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MR | No | Yes | — | TT | — | Resolved | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MR | No | Yes | — | TT | — | Resolved | Mar 31, 2025 | — | |
| Feb 1, 1994 | Feb 28, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1994 | — | |
| Feb 1, 1994 | Feb 28, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1994 | — | |
| — | — | — | 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.