Portland Water Bureau

Multnomah County, OR
OR4100657
People Served
614.1K
Water Source
Surface Water
Counties
Multnomah 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:0.900 ppb
    Limit:10.000 ppb

    Barium

    Avg:0.010 ppm
    Limit:2.000 ppm

    Coliform

    Avg:99.975 positive samples
    Limit:-

    Combined Chlorine

    Avg:2.010 ppm
    Limit:-

    Copper

    Avg:0.168 ppm
    Limit:1.300 ppm

    Cryptosporidium

    Avg:0.200 organisms/l
    Limit:-
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