Water Quality: Vandalia, IL
3 water systems • 9,117 people served
Multiple Health ViolationsWater Quality Summary
Vandalia is served by 3 public water systems with a combined service population of 9,117 people, and has 51 EPA Safe Drinking Water Act violations on record. Critically, 4 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Vandalia's violation count is 77% above the national average for Illinois. Contaminants associated with violations include Disinfection Byproducts, Total Haloacetic Acids (HAA5).
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
Haloacetic acids are associated with increased cancer risk and potential reproductive and developmental effects.
Common source: Reaction of chlorine disinfectants with organic matter in treated water
EPA limit: 0.060 mg/L (60 ppb)
Water Systems Serving Vandalia
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| VANDALIA | IL0510350 | Surface Water | 7,616 | 20 |
| VANDALIA CORRECTIONAL CENTER | IL0515500 | Surface Water | 1,500 | 31 |
| KASKASKIA SPRINGS WATER CO. | IL0510020 | Groundwater | 1 | 0 |
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 Illinois
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.