PEPIN WATERWORKS
Wisconsin — Community Water System — PWSID: WI6470141
System Information
| PWSID | WI6470141 |
| System Name | PEPIN 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 | Pepin |
| ZIP Code | 54759-0277 |
| Address | PO BOX 277 |
| Organization | PEPIN VILLAGE CLERK/TREASURER |
| Phone | — |
Population & Service
| Population Served | 816 |
| Service Connections | 514 |
Drinking Water Violations (38)
This water system has 38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 2, 2025 | — | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | Yes | No | — | — | — | Resolved | Sep 15, 2025 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 2, 2025 | — | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | Yes | No | — | — | — | Resolved | Sep 15, 2025 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2025 | Aug 31, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2025 | Revised Total Coliform Rule |
| Aug 1, 2025 | Aug 31, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2025 | Revised Total Coliform Rule |
| Aug 1, 2025 | Aug 31, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2025 | Revised Total Coliform Rule |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Resolved | Nov 4, 2024 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Nov 4, 2024 | Lead and Copper Rule Revisions |
| May 2, 2024 | — | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | Yes | No | — | — | — | Resolved | May 6, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| May 2, 2024 | — | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | Yes | No | — | — | — | Resolved | May 6, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 2023 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Oct 3, 2023 | Lead and Copper Rule |
| Feb 1, 2023 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Oct 3, 2023 | Lead and Copper Rule |
| Feb 1, 2023 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Oct 3, 2023 | Lead and Copper Rule |
| Jul 1, 2021 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 30, 2022 | Consumer Confidence Rule |
| Jul 1, 2021 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 30, 2022 | Consumer Confidence Rule |
| Jul 1, 2021 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 30, 2022 | Consumer Confidence Rule |
| May 2, 2021 | — | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | Yes | No | — | — | — | Resolved | May 3, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| May 1, 2021 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jun 14, 2022 | Public Notice Rule and Revised PN Rule |
| May 1, 2021 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jun 14, 2022 | Public Notice Rule and Revised PN Rule |
| Feb 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 3, 2021 | Lead and Copper Rule |
| Feb 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 3, 2021 | Lead and Copper Rule |
| Nov 1, 2020 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | May 13, 2021 | Lead and Copper Rule |
| Nov 1, 2020 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | May 13, 2021 | Lead and Copper Rule |
| Nov 1, 2020 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | May 13, 2021 | Lead and Copper Rule |
| Nov 1, 2020 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | May 13, 2021 | Lead and Copper Rule |
| Jan 1, 2014 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jan 31, 2014 | Ground Water Rule |
| Jan 1, 2014 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jan 31, 2014 | Ground Water Rule |
| Jul 1, 2004 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 13, 2004 | Consumer Confidence Rule |
| Aug 1, 1994 | Aug 31, 1994 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1994 | Total Coliform Rule |
| Aug 1, 1994 | Aug 31, 1994 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1994 | Total Coliform Rule |
| Aug 1, 1994 | Aug 31, 1994 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1994 | Total Coliform Rule |
| Aug 1, 1994 | Aug 31, 1994 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1994 | Total Coliform Rule |
| Aug 1, 1994 | Aug 31, 1994 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1994 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | Total Coliform Rule |
| Jul 1, 1993 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 1993 | Lead and Copper Rule |
| Jul 1, 1993 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 1993 | Lead and Copper 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.