Mountain Lake
Minnesota — Community Water System — PWSID: MN1170003
System Information
| PWSID | MN1170003 |
| System Name | Mountain Lake |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 24, 1981 |
| Last Reported | Nov 25, 2025 |
Location & Contact
| State | Minnesota |
| City | Mountain Lake |
| ZIP Code | 56159-0320 |
| Address | 930 Third Avenue, Box C |
| Organization | Mountain Lake Public Utilities |
| Phone | 5074272999 |
Population & Service
| Population Served | 2,018 |
| Service Connections | 827 |
Drinking Water Violations (10)
This water system has 10 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 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 22, 2021 | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 22, 2021 | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 22, 2021 | Lead and Copper Rule |
| Dec 1, 1991 | Dec 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Dec 31, 1991 | Total Coliform Rule |
| Dec 1, 1991 | Dec 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Dec 31, 1991 | Total Coliform Rule |
| Dec 1, 1991 | Dec 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Dec 31, 1991 | Total Coliform Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.