Skip to content

Water Quality Report

Lombard, IL

DuPage County · 44,476 residents · 1 water system

10

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

1

Above legal limits

2

Above health guidelines

Lombard drinking water comes from surface water. Based on the most recent monitoring data, 10 contaminants have been detected in the water supply, including Lead, Arsenic, Copper, Radium, and 6 others. PFAS testing has been conducted with no detections.

Contaminants detected in Lombard water

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

Lead0.0106 / 0.015 mg/L
71% of EPA limit
Arsenic0.00045 / 0.01 mg/L
5% of EPA limit
Copper230 / 1300 ug/L
18% of EPA limit
Radium12.6 / 5 pCi/L
150% of EPA limit
Total Trihalomethanes38.5 / 80 ug/L
48% of EPA limit
26% of EPA limit
Nickel0.0028 mg/L
UnregulatedInorganic
Barium0.084 / 2 mg/L
4% of EPA limit
Chromium (total)0.0012 / 0.1 mg/L
1% of EPA limit
Orthophosphate2340 ug/L
Unregulated
PFAS (tested — none detected)
Microplastics (not routinely tested)

Other cities in DuPage County

Water quality reports for nearby Illinois communities.

Frequently asked questions

Is Lombard, IL tap water safe to drink?
Lombard tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 2 above independent health guidelines. 10 contaminants have been detected in the water supply, including Lead, Arsenic, Copper, Radium, Total Trihalomethanes. 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 Lombard water?
Monitoring has detected 10 contaminants in Lombard's water supply: Lead, Arsenic, Copper, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Barium, Chromium (total), Orthophosphate. 1 of these are above EPA legal limits. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Lombard water have PFAS?
Lombard'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 Lombard get its drinking water?
Lombard's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Lombard is served by one water system: LOMBARD.

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 Lombard.

Schedule an onsite consultation.