Joliet

Joliet, IL
IL1970450
People Served
148.7K
Water Source
Groundwater
Counties
Will County
Data from
2023
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Contaminants Exceeding Limits

The following contaminants have exceeded the guideline limits at least once in the last year.

  • AR

    Arsenic

    Arsenic is a toxic element found in rocks and soil. It enters water through natural erosion and human activities like mining. Long-term exposure causes cancer and organ damage.

    10.100 ppb
    EPA limit 10.000 ppb
  • CO

    Combined Radium (-226 & -228)

    Radium-226 and -228 are radioactive elements that enter water from eroding rock and soil. These naturally occurring contaminants increase the risk of cancer.

    7.000 pci/l
    EPA limit 5.000 pci/l

Other Contaminants Detected

The following contaminants have been detected, but not exceeded the guideline limits in the last year.

Barium

Avg:0.040 ppm
Limit:2.000 ppm

Chloramine

Avg:2.000 ppm
Limit:-

Chromium

Avg:0.003 ppm
Limit:0.100 ppm

Combined Uranium

Avg:1.067 ppb
Limit:30.000 ppb

Copper

Avg:0.981 ppm
Limit:1.300 ppm

Fluoride

Avg:1.250 ppm
Limit:4.000 ppm
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