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Water Quality Report

Lake Barrington, IL

2,800 residents · 2 water systems

0

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

1

Above legal limits

1

Above health guidelines

Lake Barrington 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 systems serving Lake Barrington are small private systems (population served: 2,800) and are not part of Illinois EPA's main contaminant monitoring program. No detected contaminant data is available for these systems.

If you're researching the main municipal utility serving Lake Barrington, 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 Lake Barrington

LAKE BARRINGTON SHORES SUBDIVSION

2,300 servedGroundwater0 contaminants1 above guideline
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LAKE BARRINGTON

500 servedGroundwater0 contaminants1 above legal limit
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Frequently asked questions

Is Lake Barrington, IL tap water safe to drink?
Lake Barrington tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 1 above independent health guidelines. 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 Lake Barrington water?
Monitoring has detected 0 contaminants in Lake Barrington's water supply: . 1 of these are above EPA legal limits. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Where does Lake Barrington get its drinking water?
Lake Barrington's drinking water comes from groundwater wells that draw from underground aquifers. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Lake Barrington is served by 2 water systems, the largest being LAKE BARRINGTON SHORES SUBDIVSION (serving 2,300 people).

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