Water Quality: Shannon, IL
1 water system • 801 people served
Multiple Health ViolationsWater Quality Summary
Shannon is served by 1 public water system with a combined service population of 801 people, and has 64 EPA Safe Drinking Water Act violations on record. Critically, 52 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Shannon's violation count is 122% above the national average for Illinois. Contaminants associated with violations include HAA5, Total Organic Carbon.
Contaminants Found
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)
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 Shannon
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| SHANNON | IL0150300 | Groundwater | 801 | 64 |
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.