HANCOCK WATERWORKS
Wisconsin - Community Water System - PWSID: WI4700267
System Information
| PWSID | WI4700267 |
| System Name | HANCOCK 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 | HANCOCK |
| ZIP Code | 54943 |
| Address | 420 N JEFFERSON ST |
| Organization | CAVES, SHERRY - VIL CLERK |
| Phone | - |
Population & Service
| Population Served | 419 |
| Service Connections | 155 |
Drinking Water Violations (123)
This water system has 123 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Resolved | Aug 7, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | No | - | 0.060 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | No | - | 0.060 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | No | - | 0.080 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | No | - | 0.080 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | No | - | - | - | Resolved | Jan 31, 2023 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | No | - | - | - | Resolved | Jan 31, 2023 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | No | - | - | - | Resolved | Jan 31, 2023 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | No | - | - | - | Resolved | Jan 31, 2023 | - | |
| Dec 2, 2022 | - | Other | No | No | - | - | - | Resolved | Mar 31, 2023 | - | |
| Dec 2, 2022 | - | Other | No | No | - | - | - | Resolved | Mar 31, 2023 | - | |
| Dec 2, 2022 | - | TT | Yes | No | - | - | - | Resolved | Aug 3, 2023 | - | |
| Dec 2, 2022 | - | TT | Yes | No | - | - | - | Resolved | Aug 3, 2023 | - | |
| Dec 2, 2022 | - | TT | Yes | No | - | - | - | Resolved | Aug 3, 2023 | - | |
| Dec 2, 2022 | - | TT | Yes | No | - | - | - | Resolved | Aug 3, 2023 | - | |
| Dec 2, 2022 | - | TT | Yes | No | - | - | - | Resolved | Aug 3, 2023 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | No | - | - | - | Resolved | Dec 31, 2020 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | No | - | - | - | Resolved | Dec 31, 2020 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | No | - | - | - | Resolved | Dec 31, 2020 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | No | - | - | - | Resolved | Dec 31, 2020 | - | |
| Nov 1, 2020 | Nov 30, 2020 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2020 | - | |
| Nov 1, 2020 | Nov 30, 2020 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2020 | - | |
| Nov 1, 2020 | Nov 30, 2020 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2020 | - | |
| Nov 1, 2020 | Nov 30, 2020 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2020 | - | |
| Oct 13, 2020 | - | TT | Yes | No | - | - | - | Resolved | Dec 1, 2020 | - | |
| Oct 13, 2020 | - | TT | Yes | No | - | - | - | Resolved | Dec 1, 2020 | - | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2020 | - | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2020 | - | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2020 | - | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | No | - | 0.060 mg/L | - | Resolved | Aug 10, 2021 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | No | - | 0.080 mg/L | - | Resolved | Aug 10, 2021 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | No | - | 0.080 mg/L | - | Resolved | Aug 10, 2021 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | No | - | 0.080 mg/L | - | Resolved | Aug 10, 2021 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | No | - | 0.080 mg/L | - | Resolved | Aug 10, 2021 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | No | - | 0.060 mg/L | - | Resolved | Aug 10, 2021 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | No | - | 0.060 mg/L | - | Resolved | Aug 10, 2021 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | No | - | 0.060 mg/L | - | Resolved | Aug 10, 2021 | - | |
| Jul 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 1995 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 1994 | - |
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.