Skip to content

Water Quality Report

Plainfield, IL

Will County · 50,260 residents · 2 water systems

7

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

1

Above legal limits

2

Above health guidelines

Plainfield drinking water comes from a mix of groundwater and surface water sources. Based on the most recent monitoring data, 7 contaminants have been detected in the water supply, including Lead, Copper, Radium, Total Trihalomethanes, and 3 others. PFAS testing has been conducted with no detections.

Contaminants detected in Plainfield 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
Copper123 / 1300 ug/L
9% of EPA limit
Radium19 / 5 pCi/L
150% of EPA limit
Total Trihalomethanes44.5 / 80 ug/L
56% of EPA limit
39% of EPA limit
Barium0.0885 / 2 mg/L
4% of EPA limit
Fluoride1.1 / 4 mg/L
27% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)

Other cities in Will County

Water quality reports for nearby Illinois communities.

Frequently asked questions

Is Plainfield, IL tap water safe to drink?
Plainfield tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 2 above independent health guidelines. 7 contaminants have been detected in the water supply, including Lead, Copper, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5). 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 Plainfield water?
Monitoring has detected 7 contaminants in Plainfield's water supply: Lead, Copper, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5), Barium, Fluoride. 1 of these are above EPA legal limits. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Plainfield water have PFAS?
Plainfield's water has been tested for PFAS compounds with no detections. Testing was conducted as part of the EPA's Unregulated Contaminant Monitoring Rule (UCMR5) program.
Where does Plainfield get its drinking water?
Plainfield's drinking water comes from a combination of groundwater and surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Plainfield is served by 2 water systems, the largest being PLAINFIELD (serving 50,000 people).

Check your water quality

Enter your address for a detailed report specific to your water system.

On a private well? Search your address for nearby groundwater monitoring data.

Free water assessment in Plainfield.

Schedule an onsite consultation.