Water Quality: Tomah, WI
1 water system • 9,192 people served
Multiple Health ViolationsWater Quality Summary
Tomah is served by 1 public water system with a combined service population of 9,192 people, and has 23 EPA Safe Drinking Water Act violations on record. Critically, 17 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Tomah's violation count is 30% below the national average for Wisconsin. Contaminants associated with violations include Selenium, Total Organic Carbon.
Contaminants Found
Hair loss, nail brittleness, and nervous system damage at elevated concentrations.
Common source: Natural geological deposits, mining discharges, oil refinery waste
EPA limit: 0.05 mg/L (50 ppb)
Not a direct health risk but reacts with disinfectants to form carcinogenic byproducts such as trihalomethanes.
Common source: Decaying plant material, algae, soil organic matter in source water
EPA limit: Treatment technique (must reduce TOC based on source water level)
Water Systems Serving Tomah
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| TOMAH WATERWORKS | WI6420254 | Groundwater | 9,192 | 23 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Wisconsin
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.