Castle Rock Town Of

Douglas County, CO
CO0118010
People Served
99.8K
Water Source
Surface Water
Counties
Douglas 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.

    Arsenic

    Avg:0.330 ppb
    Limit:10.000 ppb

    Barium

    Avg:0.130 ppm
    Limit:2.000 ppm

    Bromate

    Avg:2.330 ppb
    Limit:10.000 ppb

    Chromium

    Avg:0.002 ppm
    Limit:0.100 ppm

    Copper

    Avg:0.160 ppm
    Limit:1.300 ppm

    Fluoride

    Avg:0.770 ppm
    Limit:4.000 ppm
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    Contaminants tested