WESTBORO SAN DIST 1
Wisconsin - Community Water System - PWSID: WI8610346
System Information
| PWSID | WI8610346 |
| System Name | WESTBORO SAN DIST 1 |
| 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 | Jun 18, 1987 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Wisconsin |
| City | WESTBORO |
| ZIP Code | 54490 |
| Address | PO BOX 42 |
| Organization | WESTBORO SANITARY DISTRICT |
| Phone | - |
Population & Service
| Population Served | 150 |
| Service Connections | 71 |
Drinking Water Violations (319)
This water system has 319 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 | - | TT | Yes | No | - | - | - | Resolved | Jul 7, 2025 | - | |
| Jul 2, 2025 | - | TT | Yes | No | - | - | - | Resolved | Jul 7, 2025 | - | |
| Apr 1, 2023 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Mar 1, 2023 | Mar 31, 2023 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2023 | - | |
| Mar 1, 2023 | Mar 31, 2023 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2023 | - | |
| Mar 1, 2023 | Mar 31, 2023 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | - | 0.080 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | - | 0.080 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jul 2, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jul 5, 2022 | - | |
| Jul 2, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jul 5, 2022 | - | |
| Feb 1, 2020 | - | Other | No | No | - | - | - | Resolved | Jun 29, 2021 | - | |
| Feb 1, 2020 | - | Other | No | No | - | - | - | Resolved | Jun 29, 2021 | - | |
| Jan 1, 2020 | Jan 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2020 | - | |
| Jan 1, 2020 | Jan 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2020 | - | |
| Jan 1, 2020 | Jan 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2020 | - | |
| Jan 1, 2020 | Jan 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2020 | - | |
| Jul 2, 2019 | - | TT | Yes | No | - | - | - | Resolved | Jul 3, 2019 | - | |
| Jul 2, 2019 | - | TT | Yes | No | - | - | - | Resolved | Jul 3, 2019 | - | |
| Oct 1, 2018 | - | Other | No | No | - | - | - | Resolved | Dec 6, 2019 | - | |
| Oct 1, 2018 | - | Other | No | No | - | - | - | Resolved | Dec 6, 2019 | - | |
| Sep 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Sep 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Sep 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Sep 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Sep 21, 2017 | - | MR | No | Yes | - | - | - | Resolved | Sep 26, 2017 | - | |
| Sep 21, 2017 | - | MR | No | Yes | - | - | - | Resolved | Sep 26, 2017 | - | |
| Sep 21, 2017 | - | MR | No | Yes | - | - | - | Resolved | Sep 26, 2017 | - | |
| Sep 21, 2017 | - | MR | No | Yes | - | - | - | Resolved | Sep 26, 2017 | - | |
| Jun 2, 2016 | - | TT | Yes | No | - | - | - | Resolved | Jul 19, 2016 | - | |
| Jun 2, 2016 | - | TT | Yes | No | - | - | - | Resolved | Jul 19, 2016 | - | |
| Jan 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Feb 22, 2016 | - | |
| Jan 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Feb 22, 2016 | - | |
| Oct 1, 2014 | - | Other | No | No | - | - | - | Resolved | Nov 25, 2014 | - | |
| Oct 1, 2014 | - | Other | No | No | - | - | - | Resolved | Nov 25, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Nov 25, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Nov 25, 2014 | - | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2014 | - | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2014 | - | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 23, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 23, 2014 | - | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 23, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 23, 2014 | - | |
| Nov 28, 2013 | - | Other | No | No | - | - | - | Resolved | Mar 17, 2015 | - | |
| Nov 28, 2013 | - | Other | No | No | - | - | - | Resolved | Mar 17, 2015 | - | |
| Nov 1, 2013 | Nov 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2013 | - | |
| Nov 1, 2013 | Nov 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2013 | - | |
| Nov 1, 2013 | Nov 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2013 | - | |
| Nov 1, 2013 | Nov 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2013 | - |
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.