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Water Quality Report

Keithsburg, IL

Mercer County · 747 residents · 1 water system

4

Contaminants detected

0

PFAS compounds

250

Hardness (mg/L)

0

Above legal limits

0

Above health guidelines

Keithsburg drinking water comes from groundwater wells. Based on the most recent monitoring data, 4 contaminants have been detected in the water supply, including Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5). Water hardness is 250 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Keithsburg 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
Copper46 / 1300 ug/L
4% of EPA limit
12% of EPA limit
2% of EPA limit
Microplastics (not routinely tested)

Other cities in Mercer County

Water quality reports for nearby Illinois communities.

Frequently asked questions

Is Keithsburg, IL tap water safe to drink?
Keithsburg 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 Keithsburg water?
Monitoring has detected 4 contaminants in Keithsburg's water supply: Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5). See individual system reports for concentrations relative to EPA limits.
Is Keithsburg water hard?
Yes. Keithsburg water has a hardness of 250 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 Keithsburg get its drinking water?
Keithsburg'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. Keithsburg is served by one water system: KEITHSBURG.

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