OCONTO FALLS WATERWORKS
Wisconsin — Community Water System — PWSID: WI4430496
System Information
| PWSID | WI4430496 |
| System Name | OCONTO FALLS 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 | OCONTO FALLS |
| ZIP Code | 54154-0070 |
| Address | BETH RANK |
| Organization | OCONTO FALLS CITY OF |
| Phone | — |
Population & Service
| Population Served | 2,892 |
| Service Connections | 1,071 |
Drinking Water Violations (21)
This water system has 21 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 | — | — | — | Resolved | Jun 12, 2025 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | May 26, 2025 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | May 26, 2025 | — | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2012 | — | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2012 | — | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2012 | — | |
| Sep 1, 2012 | Sep 30, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2012 | — | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | — | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | — | 4.0 mg/L | — | Resolved | Aug 20, 2008 | — | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | — | 4.0 mg/L | — | Resolved | Aug 20, 2008 | — | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | — | 4.0 mg/L | — | Resolved | Aug 20, 2008 | — | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | — | 4.0 mg/L | — | Resolved | Aug 20, 2008 | — | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | — | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | — | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | — | |
| — | — | — | 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.