SHERIDAN LAKE WD
Colorado - Community Water System - PWSID: CO0131800
System Information
| PWSID | CO0131800 |
| System Name | SHERIDAN LAKE WD |
| System Type | Community Water System |
| Water Source | Ground 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 | SHERIDAN LAKE |
| ZIP Code | 81071 |
| Address | - |
| Organization | CORNELIUS, DEBBIE |
| Phone | 719-691-4353 |
Population & Service
| Population Served | 148 |
| Service Connections | 64 |
Drinking Water Violations (715)
This water system has 715 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 28, 2025 | - | Other | No | No | - | - | - | Resolved | Dec 4, 2025 | - | |
| Oct 28, 2025 | - | Other | No | No | - | - | - | Resolved | Dec 4, 2025 | - | |
| Oct 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jul 28, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Jul 28, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Jun 6, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Jun 6, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Apr 28, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Apr 28, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Mar 8, 2025 | - | Other | No | No | - | - | - | Resolved | Apr 29, 2025 | - | |
| Mar 8, 2025 | - | Other | No | No | - | - | - | Resolved | Apr 29, 2025 | - | |
| Mar 6, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Mar 6, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Jan 28, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Jan 28, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Dec 8, 2024 | - | Other | No | No | - | - | - | Resolved | Apr 29, 2025 | - | |
| Dec 8, 2024 | - | Other | No | No | - | - | - | Resolved | Apr 29, 2025 | - | |
| Oct 28, 2024 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Oct 28, 2024 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | May 15, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | May 15, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | May 15, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | May 15, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | May 15, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | May 15, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | May 15, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | May 15, 2025 | - | |
| Jul 28, 2024 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Jul 28, 2024 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Jul 27, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 20, 2025 | - | |
| Jul 27, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 20, 2025 | - | |
| Jul 27, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 20, 2025 | - | |
| Jul 27, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 20, 2025 | - | |
| Jul 27, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 20, 2025 | - | |
| Jul 27, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 20, 2025 | - | |
| Jul 27, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 20, 2025 | - | |
| Jul 27, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 20, 2025 | - | |
| Apr 28, 2024 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Apr 28, 2024 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 31.25 UG/L | 30 ug/L | 30 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Jun 30, 2023 | - |
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.