LA VALLE WATERWORKS
Wisconsin — Community Water System — PWSID: WI1570113
System Information
| PWSID | WI1570113 |
| System Name | LA VALLE 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 | LA VALLE |
| ZIP Code | 53941 |
| Address | 101 W MAIN ST |
| Organization | COPSEY, DEANNA - VILLAGE CLERK |
| Phone | — |
Population & Service
| Population Served | 365 |
| Service Connections | 135 |
Drinking Water Violations (81)
This water system has 81 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | 23.45 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | 23.45 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | 23.45 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | 23.45 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | 23.45 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | 23.45 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | 23.45 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2021 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 55.73 UG/L | 0.005 mg/L | 5.5 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 55.73 UG/L | 0.005 mg/L | 5.5 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 55.73 UG/L | 0.005 mg/L | 5.5 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 55.73 UG/L | 0.005 mg/L | 5.5 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 55.73 UG/L | 0.005 mg/L | 5.5 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 55.73 UG/L | 0.005 mg/L | 5.5 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 112 UG/L | 0.005 mg/L | 5.5 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 112 UG/L | 0.005 mg/L | 5.5 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 112 UG/L | 0.005 mg/L | 5.5 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 112 UG/L | 0.005 mg/L | 5.5 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 112 UG/L | 0.005 mg/L | 5.5 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 112 UG/L | 0.005 mg/L | 5.5 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 112 UG/L | 0.005 mg/L | 5.5 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 112 UG/L | 0.005 mg/L | 5.5 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 112 UG/L | 0.005 mg/L | 5.5 | Resolved | Dec 31, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | 37.7 UG/L | 0.005 mg/L | 5.5 | Resolved | Sep 30, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | 37.7 UG/L | 0.005 mg/L | 5.5 | Resolved | Sep 30, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | 37.7 UG/L | 0.005 mg/L | 5.5 | Resolved | Sep 30, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | 37.7 UG/L | 0.005 mg/L | 5.5 | Resolved | Sep 30, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | 37.7 UG/L | 0.005 mg/L | 5.5 | Resolved | Sep 30, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | 37.7 UG/L | 0.005 mg/L | 5.5 | Resolved | Sep 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | 20.58 UG/L | 0.005 mg/L | 5.5 | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | 20.58 UG/L | 0.005 mg/L | 5.5 | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | 20.58 UG/L | 0.005 mg/L | 5.5 | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | 20.58 UG/L | 0.005 mg/L | 5.5 | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | 20.58 UG/L | 0.005 mg/L | 5.5 | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | 20.58 UG/L | 0.005 mg/L | 5.5 | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | 20.58 UG/L | 0.005 mg/L | 5.5 | Resolved | Jun 30, 2020 | — | |
| Mar 27, 2020 | — | Other | No | No | — | — | — | Resolved | Oct 31, 2024 | — | |
| Mar 27, 2020 | — | Other | No | No | — | — | — | Resolved | Oct 31, 2024 | — | |
| Mar 27, 2020 | — | Other | No | No | — | — | — | Resolved | Oct 31, 2024 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | 37.3 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | 37.3 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | 37.3 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | 37.3 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | 37.3 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | 37.3 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | 37.3 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | 37.3 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | 37.3 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | 37.3 UG/L | 0.005 mg/L | 5.5 | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2007 | Dec 31, 2008 | MR | No | No | — | 0.060 mg/L | — | Resolved | Dec 31, 2008 | — | |
| Jan 1, 2007 | Dec 31, 2008 | MR | No | No | — | 0.080 mg/L | — | Resolved | Dec 31, 2008 | — |
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.