GREEN LAKE WATERWORKS
Wisconsin — Community Water System — PWSID: WI4240217
System Information
| PWSID | WI4240217 |
| System Name | GREEN LAKE 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 | GREEN LAKE |
| ZIP Code | 54941 |
| Address | 534 MILL ST |
| Organization | DUGENSKE, BARBARA L - CLERK-TREAS |
| Phone | — |
Population & Service
| Population Served | 1,002 |
| Service Connections | 371 |
Drinking Water Violations (29)
This water system has 29 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 | May 29, 2025 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | Public Notice | Other | No | No | — | — | — | Resolved | Apr 7, 2025 | Public Notice Rule and Revised PN Rule |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Resolved | May 29, 2025 | Lead and Copper Rule Revisions |
| Jul 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 14, 2022 | Consumer Confidence Rule |
| Jul 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 14, 2022 | Consumer Confidence Rule |
| Jul 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 14, 2022 | Consumer Confidence Rule |
| Jul 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 14, 2022 | Consumer Confidence Rule |
| Jan 1, 2020 | Mar 31, 2020 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2020 | Nitrate Rule |
| Jan 1, 2020 | Mar 31, 2020 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2020 | Nitrate Rule |
| Jan 1, 2020 | Mar 31, 2020 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2020 | Nitrate Rule |
| Jan 1, 2020 | Mar 31, 2020 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2020 | Nitrate Rule |
| Jan 1, 2014 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 20, 2014 | Lead and Copper Rule |
| Apr 1, 2013 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 20, 2014 | Lead and Copper Rule |
| Oct 1, 2012 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 21, 2013 | Lead and Copper Rule |
| Oct 1, 2012 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 21, 2013 | Lead and Copper Rule |
| Jul 1, 2012 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 25, 2012 | Consumer Confidence Rule |
| Jul 1, 2006 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Jul 1, 2006 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Apr 1, 2006 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Jan 1, 2005 | Dec 31, 2005 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2005 | Lead and Copper Rule |
| Jul 1, 2004 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Dec 10, 2004 | Consumer Confidence Rule |
| Jul 1, 2004 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Dec 10, 2004 | Consumer Confidence Rule |
| Oct 1, 1991 | Oct 31, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1991 | Total Coliform Rule |
| Oct 1, 1991 | Oct 31, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1991 | Total Coliform Rule |
| Oct 1, 1991 | Oct 31, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1991 | Total Coliform Rule |
| Oct 1, 1991 | Oct 31, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1991 | Total Coliform Rule |
| Sep 1, 1991 | Sep 30, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1991 | Total Coliform Rule |
| Sep 1, 1991 | Sep 30, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1991 | Total Coliform Rule |
| Sep 1, 1991 | Sep 30, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1991 | 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.