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 | Dec 17, 2025 |
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 (5)
This water system has 5 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 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Resolved | Feb 24, 2025 | Lead and Copper Rule Revisions |
| Sep 1, 1991 | Sep 30, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1991 | Total Coliform Rule |
| Sep 1, 1991 | Sep 30, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1991 | Total Coliform Rule |
| Sep 1, 1991 | Sep 30, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1991 | Total Coliform Rule |
| Sep 1, 1991 | Sep 30, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1991 | Total Coliform Rule |
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.