Decorah Water Department

Decorah, IA
IA9630012
People Served
7.6K
Water Source
Groundwater
Counties
Winneshiek 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.

    Fluoride

    Avg:0.560 ppm
    Limit:4.000 ppm

    Nitrate

    Avg:3.960 ppm
    Limit:10.000 ppm

    Trihalomethanes

    Avg:18.000 ph
    Limit:80.000 ph

    Contaminants tested