Mid-Mark Water Commission

Cook County, IL
IL0310230
People Served
26K
Water Source
Surface Water
Counties
Cook County
Data from
2023
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Contaminants Exceeding Limits

No contaminants have exceeded the guideline limits in the last year.

    Other Contaminants Detected

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

    Combined Chlorine

    Avg:1.200 ppm
    Limit:-

    Haloacetic Acids

    Avg:33.000 ppb
    Limit:60.000 ppb

    Trihalomethanes

    Avg:45.000 ppb
    Limit:80.000 ppb