Water Quality: Monmouth, IL

4 water systems • 12,734 people served

Multiple Health Violations
32
Total Violations
11
Health-Based Violations
4
Water Systems
12,734
Population Served

Water Quality Summary

Monmouth has 11 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Barium, Disinfection Byproducts, TTHM, Total Organic Carbon. In total, 32 violations are on record for 4 water systems serving 12,734 people.

Contaminants Found

Barium
Disinfection Byproducts
TTHM
Total Organic Carbon

Water Systems Serving Monmouth

System Name PWSID Source Population Violations
MONMOUTH IL1870150 Groundwater 8,902 3
ABINGDON IL0950050 Groundwater 3,275 18
LITTLE SWAN LAKE SD IL1875050 Groundwater 438 4
ST AUGUSTINE IL0950500 Groundwater 119 7

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.

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