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Water Quality Report

Bethalto, IL

Madison County · 16,988 residents · 2 water systems

16

Contaminants detected

10

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

2

Above health guidelines

Bethalto drinking water comes from groundwater wells. Based on the most recent monitoring data, 16 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Total Trihalomethanes, and 12 others. PFAS compounds have been detected at trace levels in Bethalto water.

Contaminants detected in Bethalto water

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

Lead0.0012 / 0.015 mg/L
8% of EPA limit
Nitrate1.1 / 10 mg/L
11% of EPA limit
Copper260 / 1300 ug/L
20% of EPA limit
Total Trihalomethanes28.3 / 80 ug/L
35% of EPA limit
11% of EPA limit
PFHpA (Perfluoroheptanoic Acid)0.7 ng/L
UnregulatedPFAS
PFPeA (Perfluoropentanoic Acid)4.1 ng/L
UnregulatedPFAS
PFPeS (Perfluoropentane Sulfonate)0.9 ng/L
UnregulatedPFAS
11CL_PF3OUDS0.4 ng/L
Unregulated
9CL_PF3ONS0.4 ng/L
UnregulatedPFAS
Pfdoa0.7 ng/L
Unregulated
Pfuna0.4 ng/L
Unregulated
Pfhps0.5 ng/L
UnregulatedPFAS
PFBA (Perfluorobutanoic Acid)3.8 ng/L
UnregulatedPFAS
Adona0.6 ng/L
Unregulated
Pfda0.5 ng/L
UnregulatedPFAS
PFAS (10 compounds detected)
Microplastics (not routinely tested)

Other cities in Madison County

Water quality reports for nearby Illinois communities.

Frequently asked questions

Is Bethalto, IL tap water safe to drink?
Bethalto tap water meets EPA legal standards (Maximum Contaminant Levels). However, 2 contaminants are present above independent health guidelines, which are often stricter than legal limits. 16 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5). View the detailed report for each water system to see specific levels and how they compare to both legal limits and health guidelines.
What contaminants are in Bethalto water?
Monitoring has detected 16 contaminants in Bethalto's water supply: Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), PFHpA (Perfluoroheptanoic Acid), PFPeA (Perfluoropentanoic Acid), PFPeS (Perfluoropentane Sulfonate), 11CL_PF3OUDS, 9CL_PF3ONS, Pfdoa, Pfuna, Pfhps, PFBA (Perfluorobutanoic Acid), Adona, Pfda. Additionally, 10 PFAS compounds have been detected at trace levels. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Bethalto water have PFAS?
Yes. 10 PFAS compounds have been detected in Bethalto'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.
Where does Bethalto get its drinking water?
Bethalto'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. Bethalto is served by 2 water systems, the largest being BETHALTO (serving 15,210 people).

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