Petaluma, City Of

Petaluma, CA
CA4910006
People Served
63.5K
Water Source
Groundwater
Counties
Sonoma 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.

    Aluminum

    Avg:0.028 ppm
    Limit:-

    Arsenic

    Avg:2.645 ppb
    Limit:10.000 ppb

    Barium

    Avg:0.038 ppm
    Limit:2.000 ppm

    Chromium

    Avg:0.005 ppb
    Limit:0.100 ppb

    Combined Radium (-226 & -228)

    Avg:0.378 pci/l
    Limit:5.000 pci/l

    Copper

    Avg:0.073 ppm
    Limit:1.300 ppm
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