June 14, 2026
Mt Sterling, WI Water Quality Report 2026
Water Utility: Mount Sterling Waterworks
Population Served: 206 residents
Data Sources: EPA SDWIS + EPA UCMR5
Report Year: 2026
Mt Sterling, Wisconsin drinking water is supplied by Mount Sterling Waterworks. All US public water systems must test drinking water and report results to the EPA under the Safe Drinking Water Act. This report summarizes health-based violations and PFAS detections recorded in federal databases to help you make informed decisions about home water filtration.
EPA Health-Based Violation History
The following contaminants exceeded EPA maximum contaminant levels (MCLs) at this utility since 2010:
| Contaminant | Violation Years | Filter Solution |
|---|---|---|
| Coliform (Tcr) | 2013-2015 | Whole House Filters |
| Lead And Copper Rule | 2023-2024 | Whole House Filters |
| Lead And Copper Rule Revisions | 2024 | Whole House Filters |
| Stage 1 Disinfectants And Disinfection Byproducts Rule | 2024 | Water Filters |
Source: EPA Safe Drinking Water Information System (SDWIS), updated quarterly. Health-based violations only.
Should You Filter Your Mt Sterling Water?
Even utilities with no EPA violations may have contaminants present below legal limits but above health guidelines. The EPA sets maximum contaminant levels based on what is feasible and affordable to treat at scale -- not necessarily what carries zero health risk. Many independent health organizations recommend filtration for households with children, pregnant women, or immunocompromised individuals regardless of utility compliance status.
Protect Your Mt Sterling Home Water
PureWaterGuys.com carries filtration systems designed to protect every tap from lead and copper. We ship to all Wisconsin addresses with free expert guidance on the right system.
Shop Whole House Water Filters →Take the Water QuizFrequently Asked Questions
Is Mt Sterling tap water safe to drink?
Mount Sterling Waterworks is required to meet EPA federal drinking water standards. However, meeting legal standards is not the same as being contaminant-free. Trace levels of disinfection byproducts, PFAS compounds, and other regulated contaminants are common in US municipal water systems.
Does Mt Sterling water have PFAS?
PFAS monitoring data for this utility may not yet be published in EPA databases. We recommend a reverse osmosis system for maximum protection regardless of local results.
What water filter works best for Mt Sterling?
A whole-house carbon block filter removes chlorine, chloramines, and many VOCs. For PFAS, arsenic, and nitrates, a reverse osmosis under-sink system provides the highest reduction rates. Take our free 2-minute quiz to find the right system for your home and budget.
Data sourced from EPA SDWIS and UCMR5 federal databases. PureWaterGuys.com is not affiliated with any municipal water utility. Contact your utility's annual Consumer Confidence Report (CCR) for complete local data.