Clear Lake
Minnesota - Community Water System - PWSID: MN1710009
System Information
| PWSID | MN1710009 |
| System Name | Clear 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 | Feb 25, 2026 |
Location & Contact
| State | Minnesota |
| City | Clear Lake |
| ZIP Code | 55319 |
| Address | Clear Lake City Hall |
| Organization | Clear Lake City Council |
| Phone | 3207433111 |
Population & Service
| Population Served | 669 |
| Service Connections | 218 |
Drinking Water Violations (48)
This water system has 48 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 2, 2025 | - | RPT | No | No | - | - | - | Resolved | Oct 30, 2025 | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Resolved | Oct 30, 2025 | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Resolved | Oct 30, 2025 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Dec 31, 2020 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Oct 28, 2021 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Oct 28, 2021 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Oct 28, 2021 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2014 | - | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2014 | - | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2014 | - | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2014 | - | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Jul 1, 1999 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2000 | - | |
| Jul 1, 1999 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2000 | - | |
| Jul 1, 1999 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2000 | - | |
| Jul 1, 1999 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2000 | - | |
| Jul 1, 1999 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 1997 | - | |
| Jan 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 1997 | - | |
| Jan 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 1997 | - | |
| Jan 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 1997 | - | |
| Jan 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 1997 | - | |
| Jan 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Aug 23, 1994 | - | |
| Jan 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Aug 23, 1994 | - | |
| Jan 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Aug 23, 1994 | - | |
| Jan 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Aug 23, 1994 | - | |
| Oct 1, 1993 | Dec 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1993 | - | |
| Oct 1, 1993 | Dec 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1993 | - | |
| Oct 1, 1993 | Dec 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MCL | Yes | No | 12 | 10 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MCL | Yes | No | 12 | 10 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MCL | Yes | No | 12 | 10 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MCL | Yes | No | 12 | 10 mg/L | - | Resolved | Dec 31, 1993 | - | |
| - | - | - | 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.