DENMARK WATERWORKS
Wisconsin — Community Water System — PWSID: WI4050351
System Information
| PWSID | WI4050351 |
| System Name | DENMARK WATERWORKS |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| 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 | DENMARK |
| ZIP Code | 54208 |
| Address | 100 N WALL ST |
| Organization | KONKOL, SHERRI - CLERK |
| Phone | — |
Population & Service
| Population Served | 2,684 |
| Service Connections | 976 |
Drinking Water Violations (15)
This water system has 15 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 | — | Public Notice | Other | No | No | — | — | — | Resolved | May 6, 2025 | Public Notice Rule and Revised PN Rule |
| Aug 1, 2024 | Aug 31, 2024 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Aug 31, 2024 | Revised Total Coliform Rule |
| Oct 1, 2011 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 19, 2011 | Lead and Copper Rule |
| Oct 1, 2011 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 19, 2011 | Lead and Copper Rule |
| Jan 1, 2006 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Jan 1, 2006 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Jan 1, 2006 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Feb 13, 2006 | Lead and Copper Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Feb 13, 2006 | Lead and Copper Rule |
| Jan 1, 2005 | Jun 30, 2005 | Lead and Copper Rule | MR | No | No | — | TT | — | Archived | Jun 30, 2005 | Lead and Copper Rule |
| Jan 1, 2005 | Jun 30, 2005 | Lead and Copper Rule | MR | No | No | — | TT | — | Archived | Jun 30, 2005 | Lead and Copper Rule |
| Jan 1, 2005 | Jun 30, 2005 | Lead and Copper Rule | MR | No | No | — | TT | — | Archived | Jun 30, 2005 | Lead and Copper Rule |
| Jan 1, 1994 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Mar 23, 1998 | Lead and Copper Rule |
| Dec 1, 1992 | Dec 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1992 | Total Coliform Rule |
| Dec 1, 1992 | Dec 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1992 | 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.