COTTAGE GROVE WATERWORKS
Wisconsin — Community Water System — PWSID: WI1130218
System Information
| PWSID | WI1130218 |
| System Name | COTTAGE GROVE WATERWORKS |
| 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 28, 1981 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Wisconsin |
| City | COTTAGE GROVE |
| ZIP Code | 53527-0156 |
| Address | 210 PROGRESS DR SUITE 2 |
| Organization | O'LOUGHLIN, KYELA - PUBLIC WORKS AND UTILITIES DIR |
| Phone | — |
Population & Service
| Population Served | 9,345 |
| Service Connections | 3,461 |
Drinking Water Violations (19)
This water system has 19 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 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Feb 24, 2025 | — | |
| Feb 1, 1997 | Feb 28, 1997 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1997 | — | |
| Feb 1, 1997 | Feb 28, 1997 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1997 | — | |
| Feb 1, 1997 | Feb 28, 1997 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1997 | — | |
| Feb 1, 1997 | Feb 28, 1997 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1997 | — | |
| Dec 1, 1994 | Dec 31, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1994 | — | |
| Dec 1, 1994 | Dec 31, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1994 | — | |
| Dec 1, 1994 | Dec 31, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1994 | — | |
| Dec 1, 1994 | Dec 31, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1994 | — | |
| Dec 1, 1994 | Dec 31, 1994 | MR | No | No | — | 5% of samples | — | Archived | Dec 31, 1994 | — | |
| Sep 1, 1991 | Sep 30, 1991 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1991 | — | |
| Sep 1, 1991 | Sep 30, 1991 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1991 | — | |
| Sep 1, 1991 | Sep 30, 1991 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1991 | — | |
| Sep 1, 1991 | Sep 30, 1991 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1991 | — | |
| — | — | — | 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.