WATERLOO WATERWORKS
Wisconsin - Community Water System - PWSID: WI1280115
System Information
| PWSID | WI1280115 |
| System Name | WATERLOO 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 | WATERLOO |
| ZIP Code | 53594-1459 |
| Address | 575 COMMERCIAL AVE |
| Organization | SORENSON, BARRY |
| Phone | - |
Population & Service
| Population Served | 3,520 |
| Service Connections | 1,303 |
Drinking Water Violations (50)
This water system has 50 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 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Nov 2, 2023 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Nov 2, 2023 | - | |
| Oct 1, 2019 | Nov 24, 2020 | TT | Yes | No | - | TT | - | Resolved | Nov 24, 2020 | - | |
| Oct 1, 2019 | Nov 24, 2020 | TT | Yes | No | - | TT | - | Resolved | Nov 24, 2020 | - | |
| Oct 1, 2019 | Nov 24, 2020 | TT | Yes | No | - | TT | - | Resolved | Nov 24, 2020 | - | |
| Oct 1, 2019 | Nov 24, 2020 | TT | Yes | No | - | TT | - | Resolved | Nov 24, 2020 | - | |
| Jan 1, 2018 | Oct 18, 2018 | TT | Yes | No | - | TT | - | Resolved | Oct 18, 2018 | - | |
| Jan 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Feb 1, 2018 | - | |
| Jan 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Feb 1, 2018 | - | |
| Jan 1, 2018 | - | TT | Yes | No | - | TT | - | Resolved | Jan 16, 2018 | - | |
| Jan 1, 2018 | - | TT | Yes | No | - | TT | - | Resolved | Jan 16, 2018 | - | |
| Jan 1, 2018 | Oct 18, 2018 | TT | Yes | No | - | TT | - | Resolved | Oct 18, 2018 | - | |
| Jan 1, 2018 | Oct 18, 2018 | TT | Yes | No | - | TT | - | Resolved | Oct 18, 2018 | - | |
| Jan 1, 2018 | - | TT | Yes | No | - | TT | - | Resolved | Jan 16, 2018 | - | |
| Jan 1, 2018 | - | TT | Yes | No | - | TT | - | Resolved | Jan 16, 2018 | - | |
| Jun 1, 2017 | Nov 30, 2017 | MR | No | No | - | TT | - | Resolved | Nov 30, 2017 | - | |
| Jun 1, 2017 | Nov 30, 2017 | MR | No | No | - | TT | - | Resolved | Nov 30, 2017 | - | |
| Jun 1, 2017 | Nov 30, 2017 | MR | No | No | - | TT | - | Resolved | Nov 30, 2017 | - | |
| Jun 1, 2017 | Nov 30, 2017 | MR | No | No | - | TT | - | Resolved | Nov 30, 2017 | - | |
| Jun 1, 2017 | Nov 30, 2017 | MR | No | No | - | TT | - | Resolved | Nov 30, 2017 | - | |
| Jun 1, 2017 | Nov 30, 2017 | MR | No | No | - | TT | - | Resolved | Nov 30, 2017 | - | |
| Jun 1, 2017 | Nov 30, 2017 | MR | No | No | - | TT | - | Resolved | Nov 30, 2017 | - | |
| Jun 1, 2017 | Nov 30, 2017 | MR | No | No | - | TT | - | Resolved | Nov 30, 2017 | - | |
| Jun 1, 2017 | Nov 30, 2017 | MR | No | No | - | TT | - | Resolved | Nov 30, 2017 | - | |
| Jun 1, 2017 | Nov 30, 2017 | MR | No | No | - | TT | - | Resolved | Nov 30, 2017 | - | |
| Jun 1, 2017 | Nov 30, 2017 | MR | No | No | - | TT | - | Resolved | Nov 30, 2017 | - | |
| Jun 1, 2017 | Nov 30, 2017 | MR | No | No | - | TT | - | Resolved | Nov 30, 2017 | - | |
| Jun 1, 2017 | Nov 30, 2017 | MR | No | No | - | TT | - | Resolved | Nov 30, 2017 | - | |
| Jun 1, 2017 | Nov 30, 2017 | MR | No | No | - | TT | - | Resolved | Nov 30, 2017 | - | |
| Jun 1, 2017 | Nov 30, 2017 | MR | No | No | - | TT | - | Resolved | Nov 30, 2017 | - | |
| Jun 1, 2017 | Nov 30, 2017 | MR | No | No | - | TT | - | Resolved | Nov 30, 2017 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Feb 22, 2011 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | No | - | TT | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | No | - | TT | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | No | - | TT | - | Resolved | Dec 31, 2006 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1993 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1993 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1993 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1993 | - | |
| Aug 1, 1993 | Aug 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 25, 1993 | - | |
| Aug 1, 1993 | Aug 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 25, 1993 | - | |
| Aug 1, 1993 | Aug 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 25, 1993 | - | |
| Aug 1, 1993 | Aug 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 25, 1993 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.