City Of Colusa

Colusa, CA
CA0610002
People Served
6.2K
Water Source
Groundwater
Counties
Colusa 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.

    61.940 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:3.216 ppb
Limit:10.000 ppb

Combined Radium (-226 & -228)

Avg:0.054
Limit:5.000

Gross Alpha Particle Activity

Avg:0.846 pci/l
Limit:15.000 pci/l

Iron

Avg:61.200 ppb
Limit:-

Trihalomethanes

Avg:4.700 ppb
Limit:80.000 ppb

Contaminants tested