Water Quality: Waunakee, WI
5 water systems • 15,999 people served
Some ConcernsWater Quality Summary
Waunakee is served by 5 public water systems with a combined service population of 15,999 people, and has 51 EPA Safe Drinking Water Act violations on record. Critically, 2 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Waunakee's violation count is 56% above the national average for Wisconsin. Contaminants associated with violations include Disinfection Byproducts, Nitrate-Nitrite.
Contaminants Found
Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.
Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter
Causes methemoglobinemia in infants and may pose cancer risks with long-term exposure.
Common source: Fertilizer runoff, septic systems, animal feedlots, natural deposits
EPA limit: 10 mg/L (as nitrogen)
Water Systems Serving Waunakee
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| WAUNAKEE WATERWORKS | WI1130265 | Groundwater | 14,879 | 8 |
| WESTPORT WATER UTILITY | WI1132442 | Groundwater | 800 | 9 |
| DONS MOBILE MANOR | WI1130266 | Groundwater | 160 | 28 |
| WESTPORT BISHOPS BAY AREA | WI1134103 | Groundwater | 80 | 1 |
| PATRIOT PARK | WI1220114 | Groundwater | 80 | 5 |
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.