Water Quality Report
Seneca, IL
2,353 residents · 1 water system
0
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
0
Above health guidelines
Seneca drinking water comes from groundwater wells. Based on the most recent monitoring data, 0 contaminants have been detected in the water supply.
Limited monitoring data available
The water system serving Seneca is small a private system (population served: 2,353) and is not part of Illinois EPA's main contaminant monitoring program. No detected contaminant data is available for this system.
If you're researching the main municipal utility serving Seneca, search for your specific address below — the search returns the actual water system serving your residence, which may be different from what's listed here.
Water systems serving Seneca
Frequently asked questions
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