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Water Quality Report

Louisville, IL

Clay County · 1,201 residents · 1 water system

4

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

0

Above health guidelines

Louisville drinking water comes from surface water. Based on the most recent monitoring data, 4 contaminants have been detected in the water supply, including Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5).

Contaminants detected in Louisville water

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

Lead0 / 0.015 mg/L
0% of EPA limit
Copper8.9 / 1300 ug/L
1% of EPA limit
Total Trihalomethanes17.1 / 80 ug/L
21% of EPA limit
Haloacetic Acids (HAA5)9.7 / 60 ug/L
16% of EPA limit
Microplastics (not routinely tested)

Water systems serving Louisville

LOUISVILLE

1,201 servedSurface water4 contaminants
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Other cities in Clay County

Water quality reports for nearby Illinois communities.

Clay CityFloraIolaXenia

Frequently asked questions

Is Louisville, IL tap water safe to drink?
Louisville tap water meets EPA legal standards (Maximum Contaminant Levels) and independent health guidelines. 4 contaminants have been detected in the water supply, including Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5). Detection does not necessarily mean unsafe levels. View the detailed report for each water system to see specific levels.
What contaminants are in Louisville water?
Monitoring has detected 4 contaminants in Louisville's water supply: Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5). See individual system reports for concentrations relative to EPA limits.
Where does Louisville get its drinking water?
Louisville's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Louisville is served by one water system: LOUISVILLE.

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