Rapid City

Rapid City, SD
SD4600406
People Served
72K
Water Source
Surface Water
Counties
Pennington 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:0.780 ppm
    Limit:4.000 ppm

    Nitrate

    Avg:1.140 ppm
    Limit:10.000 ppm

    Trihalomethanes

    Avg:11.910 ppb
    Limit:80.000 ppb

    Contaminants tested