COON VALLEY WATERWORKS
Wisconsin - Community Water System - PWSID: WI6630252
System Information
| PWSID | WI6630252 |
| System Name | COON VALLEY 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 | COON VALLEY |
| ZIP Code | 54623-0129 |
| Address | 205 ANDERSON ST |
| Organization | VILLAGE OF COON VALLEY |
| Phone | - |
Population & Service
| Population Served | 765 |
| Service Connections | 340 |
Drinking Water Violations (17)
This water system has 17 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 | - | TT | Yes | No | - | - | - | Resolved | May 2, 2025 | - | |
| Oct 17, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2000 | - | Other | No | No | - | - | - | Resolved | Jul 20, 2000 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Jul 1, 1993 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 1993 | - | |
| Jul 1, 1993 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 1993 | - | |
| Jul 1, 1993 | Mar 2, 1994 | MR | No | No | - | TT | - | Resolved | Mar 2, 1994 | - | |
| - | - | - | 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.