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Water Quality Report

Iola, IL

Clay County · 158 residents · 1 water system

5

Contaminants detected

0

PFAS compounds

220

Hardness (mg/L)

1

Above legal limits

1

Above health guidelines

Iola drinking water comes from groundwater wells. Based on the most recent monitoring data, 5 contaminants have been detected in the water supply, including Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), and 1 others. Water hardness is 220 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Iola 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
Copper2.2 / 1.3 mg/L
150% of EPA limit
6% of EPA limit
23% of EPA limit
Barium0.2 / 2 mg/L
10% of EPA limit
Microplastics (not routinely tested)

Other cities in Clay County

Water quality reports for nearby Illinois communities.

Frequently asked questions

Is Iola, IL tap water safe to drink?
Iola tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 1 above independent health guidelines. 5 contaminants have been detected in the water supply, including Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Barium. 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 Iola water?
Monitoring has detected 5 contaminants in Iola's water supply: Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Barium. 1 of these are above EPA legal limits. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Is Iola water hard?
Yes. Iola water has a hardness of 220 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 Iola get its drinking water?
Iola'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. Iola is served by one water system: IOLA.

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