Water Quality: Ottawa, IL

7 water systems • 19,288 people served

Multiple Health Violations
470
Total Violations
61
Health-Based Violations
7
Water Systems
19,288
Population Served

Water Quality Summary

Ottawa has 61 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Disinfection Byproducts, Stage 2 DBP, Total Organic Carbon. In total, 470 violations are on record for 7 water systems serving 19,288 people.

Contaminants Found

Disinfection Byproducts
Stage 2 DBP
Total Organic Carbon

Water Systems Serving Ottawa

System Name PWSID Source Population Violations
OTTAWA IL0990800 Groundwater 18,097 222
NAPLATE IL0990600 Groundwater 465 12
FIELDS HILL IMPROVEMENT ASSOCIATION IL0995150 Groundwater 312 132
RETZ ADDN IMPROVEMENT ASSOCIATION IL0995400 Groundwater 168 32
LA SALLE COUNTY NURSING HOME IL0995329 Groundwater 100 10
LAND AND WTR ASSN IL0995050 Groundwater 83 57
OAKLANE SBDV IL0995250 Groundwater 63 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.

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