NEENAH WATERWORKS
Wisconsin — Community Water System — PWSID: WI4710348
System Information
| PWSID | WI4710348 |
| System Name | NEENAH WATERWORKS |
| System Type | Community Water System |
| Water Source | Surface 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 | NEENAH |
| ZIP Code | 54956 |
| Address | NEENAH WATER UTILITY |
| Organization | MACH, ANTHONY - WATER TREATMENT DIR |
| Phone | — |
Population & Service
| Population Served | 27,506 |
| Service Connections | 9,963 |
Drinking Water Violations (35)
This water system has 35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2013 | Jul 31, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2013 | Total Coliform Rule |
| Jul 1, 2013 | Jul 31, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2013 | Total Coliform Rule |
| Jul 1, 2013 | Jul 31, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2013 | Total Coliform Rule |
| Oct 1, 2011 | Dec 31, 2011 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Dec 31, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2011 | Dec 31, 2011 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Dec 31, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2011 | Dec 31, 2011 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Dec 31, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2011 | Dec 31, 2011 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Nov 14, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2011 | Dec 31, 2011 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Nov 14, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2011 | Dec 31, 2011 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Nov 14, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2011 | Dec 31, 2011 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Nov 14, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2011 | Sep 30, 2011 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Aug 16, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2011 | Sep 30, 2011 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Aug 16, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2011 | Sep 30, 2011 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Aug 16, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2011 | Sep 30, 2011 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Aug 16, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2011 | Sep 30, 2011 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Aug 16, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2011 | Sep 30, 2011 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Aug 16, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2011 | Sep 30, 2011 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Aug 16, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2011 | Sep 30, 2011 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Aug 16, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2009 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Feb 3, 2010 | Lead and Copper Rule |
| Jan 1, 2009 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Feb 3, 2010 | Lead and Copper Rule |
| Jan 1, 2008 | Dec 31, 2008 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2008 | Lead and Copper Rule |
| Jan 1, 2008 | Dec 31, 2008 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2008 | Lead and Copper Rule |
| Jan 1, 2008 | Dec 31, 2008 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2008 | Lead and Copper Rule |
| Jan 1, 2008 | Dec 31, 2008 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2008 | Lead and Copper Rule |
| Jan 1, 2008 | Dec 31, 2008 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2008 | Lead and Copper Rule |
| Jun 1, 2007 | Jun 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | Total Coliform Rule |
| Apr 1, 2007 | Jun 30, 2007 | Chloramine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2007 | Jun 30, 2007 | Chloramine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2007 | Jun 30, 2007 | Chloramine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2007 | Jun 30, 2007 | Chloramine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2007 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Jul 17, 2007 | Lead and Copper Rule |
| Jan 1, 2007 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Jul 17, 2007 | Lead and Copper Rule |
| Jul 1, 2006 | Dec 31, 2006 | Lead and Copper Rule | MR | No | No | — | TT | — | Archived | Dec 31, 2006 | Lead and Copper Rule |
| Jul 1, 2006 | Dec 31, 2006 | Lead and Copper Rule | MR | No | No | — | TT | — | Archived | Dec 31, 2006 | Lead and Copper Rule |
| Jul 1, 2006 | Dec 31, 2006 | Lead and Copper Rule | MR | No | No | — | TT | — | Archived | Dec 31, 2006 | Lead and Copper 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.