HIDDEN VALLEY WATER DISTRICT
Colorado — Community Water System — PWSID: CO0130045
System Information
| PWSID | CO0130045 |
| System Name | HIDDEN VALLEY WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 20, 1979 |
| Last Reported | Feb 23, 2026 |
Location & Contact
| State | Colorado |
| City | EVERGREEN |
| ZIP Code | 80439 |
| Address | — |
| Organization | SIMONSON, NICKI |
| Phone | 303-674-3379 |
Population & Service
| Population Served | 155 |
| Service Connections | 63 |
Drinking Water Violations (199)
This water system has 199 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Nov 15, 2024 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Nov 15, 2024 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Nov 15, 2024 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Nov 15, 2024 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Nov 15, 2024 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Nov 15, 2024 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MON | 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 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MR | No | Yes | — | — | — | Resolved | Feb 29, 2024 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MON | No | Yes | — | — | — | Resolved | Feb 29, 2024 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MON | No | Yes | — | — | — | Resolved | Feb 29, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MON | No | Yes | — | — | — | Resolved | Jan 31, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MON | No | Yes | — | — | — | Resolved | Jan 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 27, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 27, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 27, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MR | No | Yes | — | — | — | Resolved | Jan 31, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MR | No | Yes | — | — | — | Resolved | Jan 31, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MON | No | Yes | — | — | — | Resolved | Jan 31, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MR | No | Yes | — | — | — | Resolved | Jan 31, 2024 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Dec 1, 2023 | — | TT | Yes | No | — | — | — | Resolved | Mar 26, 2024 | — | |
| Dec 1, 2023 | — | TT | Yes | No | — | — | — | Resolved | Mar 26, 2024 | — | |
| Dec 1, 2023 | — | TT | Yes | No | — | — | — | Resolved | Mar 26, 2024 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Dec 1, 2023 | — | TT | Yes | No | — | — | — | Resolved | Mar 26, 2024 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Nov 1, 2023 | Nov 30, 2023 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2023 | — | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2023 | — | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2023 | — | |
| Nov 1, 2023 | Nov 30, 2023 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2023 | — | |
| Nov 1, 2023 | Nov 30, 2023 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2023 | — | |
| Nov 1, 2023 | Nov 30, 2023 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2023 | — | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2023 | — | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | 11.6 MG/L | 10 mg/L | 10 | Resolved | Jun 30, 2018 | — |
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.