MERRIMAC WATERWORKS
Wisconsin — Community Water System — PWSID: WI1570093
System Information
| PWSID | WI1570093 |
| System Name | MERRIMAC 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 | MERRIMAC |
| ZIP Code | 53561 |
| Address | 100 COOK ST |
| Organization | KLECKER, JENNIE - ADMINISTRATOR |
| Phone | — |
Population & Service
| Population Served | 440 |
| Service Connections | 162 |
Drinking Water Violations (85)
This water system has 85 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 | Dec 23, 2024 | — | |
| Oct 17, 2024 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jan 1, 2018 | — | TT | Yes | No | — | TT | — | Resolved | Feb 2, 2018 | — | |
| Jan 1, 2018 | — | TT | Yes | No | — | TT | — | Resolved | Feb 2, 2018 | — | |
| Jan 1, 2018 | — | TT | Yes | No | — | TT | — | Resolved | Feb 2, 2018 | — | |
| Jan 1, 2018 | — | TT | Yes | No | — | TT | — | Resolved | Feb 2, 2018 | — | |
| Jul 1, 2013 | — | Other | No | No | — | — | — | Resolved | Aug 2, 2013 | — | |
| Jan 1, 2012 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Jan 1, 2012 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Jan 1, 2012 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Jul 1, 2009 | — | Other | No | No | — | — | — | Resolved | Aug 3, 2009 | — | |
| Jul 1, 2009 | — | Other | No | No | — | — | — | Resolved | Aug 3, 2009 | — | |
| Aug 1, 2002 | Aug 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2002 | — | |
| Aug 1, 2002 | Aug 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2002 | — | |
| Aug 1, 2002 | Aug 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2002 | — | |
| Aug 1, 2002 | Aug 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2002 | — | |
| Jul 1, 2002 | Jul 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | — | |
| Jul 1, 2002 | Jul 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | — | |
| Jul 1, 2002 | Jul 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | — | |
| Jul 1, 2002 | Jul 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | — | |
| Jul 1, 2001 | — | Other | No | No | — | — | — | Resolved | Sep 7, 2001 | — | |
| Jul 1, 2001 | — | Other | No | No | — | — | — | Resolved | Sep 7, 2001 | — | |
| Jun 1, 2001 | Jun 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | — | |
| Jun 1, 2001 | Jun 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | — | |
| Jun 1, 2001 | Jun 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | — | |
| Jul 1, 2000 | Jul 31, 2000 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2000 | — | |
| Jul 1, 2000 | Jul 31, 2000 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2000 | — | |
| Jul 1, 2000 | Jul 31, 2000 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2000 | — | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2000 | — | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2000 | — | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2000 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.00000003 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.00000003 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.0004 mg/L | — | Resolved | Dec 29, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | — | — | Resolved | Dec 29, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | — | — | Resolved | Dec 29, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 29, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 29, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 29, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 29, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 29, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 29, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 29, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Dec 29, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Dec 29, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | — | — | Resolved | Dec 29, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | — | — | Resolved | Dec 29, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | — | — | Resolved | Dec 29, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | — | — | Resolved | Dec 29, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | — | — | Resolved | Dec 29, 1993 | — |
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.