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Water Quality Report

Hebron, IL

McHenry County · 1,368 residents · 1 water system

12

Contaminants detected

5

PFAS compounds

460

Hardness (mg/L)

1

Above legal limits

2

Above health guidelines

Hebron drinking water comes from groundwater wells. Based on the most recent monitoring data, 12 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, and 8 others. PFAS compounds have been detected at trace levels in Hebron water. Water hardness is 460 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Hebron water

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

Lead0.0017 / 0.015 mg/L
11% of EPA limit
Nitrate2.1 / 10 mg/L
21% of EPA limit
Arsenic0.0033 / 0.01 mg/L
33% of EPA limit
Copper2 / 1.3 mg/L
150% of EPA limit
20% of EPA limit
5% of EPA limit
PFHpA (Perfluoroheptanoic Acid)0.7 ng/L
UnregulatedPFAS
PFBA (Perfluorobutanoic Acid)3.4 ng/L
UnregulatedPFAS
PFPeA (Perfluoropentanoic Acid)3.1 ng/L
UnregulatedPFAS
PFPeS (Perfluoropentane Sulfonate)0.6 ng/L
UnregulatedPFAS
Barium0.0914 / 2 mg/L
5% of EPA limit
Fluoride0.15 / 4 mg/L
4% of EPA limit
PFAS (5 compounds detected)
Microplastics (not routinely tested)

Other cities in McHenry County

Water quality reports for nearby Illinois communities.

Frequently asked questions

Is Hebron, IL tap water safe to drink?
Hebron tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 2 above independent health guidelines. 12 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, 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 Hebron water?
Monitoring has detected 12 contaminants in Hebron's water supply: Lead, Nitrate, Arsenic, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), PFHpA (Perfluoroheptanoic Acid), PFBA (Perfluorobutanoic Acid), PFPeA (Perfluoropentanoic Acid), PFPeS (Perfluoropentane Sulfonate), Barium, Fluoride. Additionally, 5 PFAS compounds have been detected at trace levels. 1 of these are above EPA legal limits. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Hebron water have PFAS?
Yes. 5 PFAS compounds have been detected in Hebron's water supply at trace levels. PFAS are sometimes called "forever chemicals" because they do not break down in the environment. The EPA has set Maximum Contaminant Levels for several PFAS compounds. View the detailed report for specific concentrations.
Is Hebron water hard?
Yes. Hebron water has a hardness of 460 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 Hebron get its drinking water?
Hebron'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. Hebron is served by one water system: HEBRON.

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