Water Quality Report
Northfield, IL
Cook County · 5,470 residents · 1 water system
0
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
1
Above legal limits
0
Above health guidelines
Northfield drinking water comes from surface water. Based on the most recent monitoring data, 0 contaminants have been detected in the water supply. PFAS testing has been conducted with no detections.
Limited monitoring data available
The water system serving Northfield is small a private system (population served: 5,470) 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 Northfield, 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.
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Frequently asked questions
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