Champaign County · 150,680 residents · 2 water systems
9
Contaminants detected
1
PFAS compounds
250
Hardness (mg/L)
0
Above legal limits
2
Above health guidelines
Champaign drinking water comes from groundwater wells. Based on the most recent monitoring data, 9 contaminants have been detected in the water supply, including Lead, Arsenic, Copper, Total Trihalomethanes, and 5 others. PFAS compounds have been detected at trace levels in Champaign water. Water hardness is 250 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.
Contaminants detected in Champaign water
9 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Champaign 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. 9 contaminants have been detected in the water supply, including Lead, Arsenic, 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 Champaign water?
Monitoring has detected 9 contaminants in Champaign's water supply: Lead, Arsenic, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Barium, Fluoride, Phosphorus Total, Lithium. Additionally, 1 PFAS compounds have been detected at trace levels. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Champaign water have PFAS?
Yes. 1 PFAS compounds have been detected in Champaign'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 Champaign water hard?
Yes. Champaign 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 Champaign get its drinking water?
Champaign'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. Champaign is served by 2 water systems, the largest being IL AMERICAN-CHAMPAIGN (serving 150,000 people).
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