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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.

Other cities in Cook County

Water quality reports for nearby Illinois communities.

Frequently asked questions

Is Northfield, IL tap water safe to drink?
Northfield tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels). 0 contaminants have been detected in the water supply, including . View the detailed report for each water system to see specific levels, how they compare to both legal limits and health guidelines, and what actions to take.
What contaminants are in Northfield water?
Monitoring has detected 0 contaminants in Northfield's water supply: . 1 of these are above EPA legal limits. See individual system reports for concentrations relative to EPA limits.
Does Northfield water have PFAS?
Northfield's water has been tested for PFAS compounds with no detections. Testing was conducted as part of the EPA's Unregulated Contaminant Monitoring Rule (UCMR5) program.
Where does Northfield get its drinking water?
Northfield's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Northfield is served by one water system: NORTHFIELD.

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