Decatur

Decatur, IL
IL1150150
People Served
76.1K
Water Source
Surface Water
Counties
Macon County
Data from
2023
More in Illinois →

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.

    Atrazine

    Avg:0.560 ppb
    Limit:3.000 ppb

    Barium

    Avg:0.006 ppm
    Limit:2.000 ppm

    Chlorite

    Avg:0.710 ppm
    Limit:1.000 ppm

    Coliform

    Avg:4.200 positive samples
    Limit:-

    Combined Chlorine

    Avg:1.400 ppm
    Limit:-

    Copper

    Avg:0.024 ppm
    Limit:1.300 ppm
    Show More