Water Quality: Knoxville, IL

2 water systems • 3,370 people served

Multiple Health Violations
46
Total Violations
6
Health-Based Violations
2
Water Systems
3,370
Population Served

Water Quality Summary

Knoxville is served by 2 public water systems with a combined service population of 3,370 people, and has 46 EPA Safe Drinking Water Act violations on record. Critically, 6 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Knoxville's violation count is 60% above the national average for Illinois. Contaminants associated with violations include Total Organic Carbon.

Contaminants Found

Total Organic Carbon

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 Knoxville

System Name PWSID Source Population Violations
KNOXVILLE IL0950300 Groundwater 3,120 2
GREEN MEADOW ESTATES OF ROCKFORD LLC IL2015495 Groundwater 250 44

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

View all 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.

Verify at epa.govSearch ECHO for IL