Downtown Graton Mutual Water System

Sonoma County, CA
CA4901246
People Served
110
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.

    Fluoride

    Avg:0.110 ppm
    Limit:4.000 ppm

    Manganese

    Avg:21.000 ppb
    Limit:50.000 ppb

    Contaminants tested