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 | Mar 2, 2026 |
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 (30)
This water system has 30 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 | - | TT | Yes | No | - | - | - | Resolved | Feb 10, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Feb 10, 2025 | - | |
| Oct 17, 2024 | - | Other | No | No | - | - | - | Resolved | May 6, 2025 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | No | - | - | - | Resolved | Aug 31, 2024 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | No | - | - | - | Resolved | Aug 31, 2024 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | No | - | - | - | Resolved | Aug 31, 2024 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | No | - | - | - | Resolved | Aug 31, 2024 | - | |
| Oct 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Oct 19, 2011 | - | |
| Oct 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Oct 19, 2011 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Aug 10, 2009 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Aug 10, 2009 | - | |
| Jan 1, 2006 | - | Other | No | No | - | - | - | Resolved | Feb 22, 2011 | - | |
| Jan 1, 2006 | - | Other | No | No | - | - | - | Resolved | Feb 22, 2011 | - | |
| Jan 1, 2006 | - | Other | No | No | - | - | - | Resolved | Feb 22, 2011 | - | |
| Jul 1, 2005 | - | TT | Yes | No | - | TT | - | Resolved | Feb 13, 2006 | - | |
| Jul 1, 2005 | - | TT | Yes | No | - | TT | - | Resolved | Feb 13, 2006 | - | |
| Jan 1, 2005 | Jun 30, 2005 | MR | No | No | - | TT | - | Archived | Jun 30, 2005 | - | |
| Jan 1, 2005 | Jun 30, 2005 | MR | No | No | - | TT | - | Archived | Jun 30, 2005 | - | |
| Jan 1, 2005 | Jun 30, 2005 | MR | No | No | - | TT | - | Archived | Jun 30, 2005 | - | |
| Jan 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Jan 16, 1998 | - | |
| Jan 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Jan 16, 1998 | - | |
| Jan 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Jan 16, 1998 | - | |
| Jan 1, 1994 | - | TT | Yes | No | - | TT | - | Resolved | Mar 23, 1998 | - | |
| Jan 1, 1994 | - | TT | Yes | No | - | TT | - | Resolved | Mar 23, 1998 | - | |
| Jan 1, 1994 | - | TT | Yes | No | - | TT | - | Resolved | Mar 23, 1998 | - | |
| Jan 1, 1994 | - | TT | Yes | No | - | TT | - | Resolved | Mar 23, 1998 | - | |
| Dec 1, 1992 | Dec 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1992 | - | |
| Dec 1, 1992 | Dec 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1992 | - | |
| - | - | - | 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.