Madrone Mutual Water Company

Sonoma County, CA
CA4900513
People Served
76
Water Source
Groundwater
Counties
Sonoma County
Data from
2023
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Contaminants Exceeding Limits

The following contaminants have exceeded the guideline limits at least once in the last year.

  • MA

    Manganese

    Manganese is a metal found in rocks and soil. It enters water through erosion and industrial processes. While essential in small amounts, excess can harm the nervous system.

    124.000 ppb
    EPA limit 50.000 ppb

Other Contaminants Detected

The following contaminants have been detected, but not exceeded the guideline limits in the last year.

Arsenic

Avg:3.850 ppb
Limit:10.000 ppb

Barium

Avg:0.150 ppm
Limit:2.000 ppm

Chloride

Avg:60.500 ppm
Limit:-

Copper

Avg:0.250 ppm
Limit:1.300 ppm

Fluoride

Avg:0.245 ppm
Limit:4.000 ppm

Gross Alpha Particle Activity

Avg:0.808 pci/l
Limit:15.000 pci/l
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Contaminants tested