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Water Quality Report

Yorkville, IL

23,233 residents · 3 water systems

2

Contaminants detected

1

PFAS compounds

Hardness (mg/L)

0

Above legal limits

2

Above health guidelines

Yorkville drinking water comes from groundwater wells. Based on the most recent monitoring data, 2 contaminants have been detected in the water supply, including Lead, Lithium. PFAS compounds have been detected at trace levels in Yorkville water.

Contaminants detected in Yorkville water

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

Lead0.0014 / 0.015 mg/L
10% of EPA limit
Lithium32.6 ug/L
Unregulated
PFAS (1 compounds detected)
Microplastics (not routinely tested)

Frequently asked questions

Is Yorkville, IL tap water safe to drink?
Yorkville 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. 2 contaminants have been detected in the water supply, including Lead, Lithium. 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 Yorkville water?
Monitoring has detected 2 contaminants in Yorkville's water supply: Lead, 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 Yorkville water have PFAS?
Yes. 1 PFAS compounds have been detected in Yorkville'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 Yorkville get its drinking water?
Yorkville'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. Yorkville is served by 3 water systems, the largest being YORKVILLE (serving 23,000 people).

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