BLACK EARTH WATERWORKS
Wisconsin — Community Water System — PWSID: WI1130211
System Information
| PWSID | WI1130211 |
| System Name | BLACK EARTH 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 | BLACK EARTH |
| ZIP Code | 53515 |
| Address | 1210 MILLS ST |
| Organization | KAHL, MATTHEW - DIRECTOR OF PUBLIC WORKS |
| Phone | — |
Population & Service
| Population Served | 1,493 |
| Service Connections | 552 |
Drinking Water Violations (24)
This water system has 24 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 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Resolved | Jun 12, 2025 | Lead and Copper Rule Revisions |
| Jul 1, 2012 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 18, 2012 | Consumer Confidence Rule |
| Jul 1, 2012 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 18, 2012 | Consumer Confidence Rule |
| Jan 1, 2009 | Mar 31, 2009 | Radium-228 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2009 | Radionuclides and Revised Rad Rule |
| Jan 1, 2009 | Mar 31, 2009 | Radium-228 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2009 | Radionuclides and Revised Rad Rule |
| Jan 1, 2009 | Mar 31, 2009 | Radium-228 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2009 | Radionuclides and Revised Rad Rule |
| Jan 1, 2009 | Mar 31, 2009 | Radium-228 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2009 | Radionuclides and Revised Rad Rule |
| Jan 1, 2009 | Mar 31, 2009 | Radium-228 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2009 | Radionuclides and Revised Rad Rule |
| Apr 1, 2005 | Apr 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2005 | Total Coliform Rule |
| Sep 1, 1994 | Sep 30, 1994 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 19, 1994 | Total Coliform Rule |
| Sep 1, 1994 | Sep 30, 1994 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 19, 1994 | Total Coliform Rule |
| Sep 1, 1994 | Sep 30, 1994 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 19, 1994 | Total Coliform Rule |
| Sep 1, 1994 | Sep 30, 1994 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 19, 1994 | Total Coliform Rule |
| Apr 1, 1994 | Apr 30, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1994 | Total Coliform Rule |
| Apr 1, 1994 | Apr 30, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1994 | Total Coliform Rule |
| Apr 1, 1994 | Apr 30, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1994 | Total Coliform Rule |
| Apr 1, 1994 | Apr 30, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1994 | Total Coliform Rule |
| Nov 1, 1993 | Nov 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 16, 1993 | Total Coliform Rule |
| Nov 1, 1993 | Nov 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 16, 1993 | Total Coliform Rule |
| Nov 1, 1993 | Nov 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 16, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 19, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 19, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 19, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 19, 1993 | Total Coliform 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.