Skip to content

Water Quality Report

Lakewood, IL

McHenry County · 4,267 residents · 1 water system

10

Contaminants detected

0

PFAS compounds

540

Hardness (mg/L)

1

Above legal limits

2

Above health guidelines

Lakewood drinking water comes from groundwater wells. Based on the most recent monitoring data, 10 contaminants have been detected in the water supply, including Lead, Arsenic, Copper, Radium, and 6 others. Water hardness is 540 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Lakewood water

Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.

Lead0.0037 / 0.015 mg/L
25% of EPA limit
Arsenic0.0015 / 0.01 mg/L
15% of EPA limit
Copper1.4 / 1.3 mg/L
108% of EPA limit
Radium3.6 / 5 pCi/L
72% of EPA limit
84% of EPA limit
21% of EPA limit
Barium1.4 / 2 mg/L
70% of EPA limit
PFBA (Perfluorobutanoic Acid)1.4 ng/L
UnregulatedPFAS
Methyl Tert Butyl Ether0.89 ug/L
Unregulated
Fluoride0.923 / 4 mg/L
23% of EPA limit
Microplastics (not routinely tested)

Other cities in McHenry County

Water quality reports for nearby Illinois communities.

Frequently asked questions

Is Lakewood, IL tap water safe to drink?
Lakewood tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 2 above independent health guidelines. 10 contaminants have been detected in the water supply, including Lead, Arsenic, Copper, Radium, Total Trihalomethanes. 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 Lakewood water?
Monitoring has detected 10 contaminants in Lakewood's water supply: Lead, Arsenic, Copper, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5), Barium, PFBA (Perfluorobutanoic Acid), Methyl Tert Butyl Ether, Fluoride. 1 of these are above EPA legal limits. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Is Lakewood water hard?
Yes. Lakewood water has a hardness of 540 mg/L (very hard). Hard water is not a health concern but can cause scale buildup in water heaters and appliances, reduce soap effectiveness, and leave mineral deposits. Water softeners or conditioning systems can address hardness.
Where does Lakewood get its drinking water?
Lakewood'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. Lakewood is served by one water system: LAKEWOOD.

Check your water quality

Enter your address for a detailed report specific to your water system.

On a private well? Search your address for nearby groundwater monitoring data.

Free water assessment in Lakewood.

Schedule an onsite consultation.