King County Water District #49

King County, WA
WA5339800
People Served
16.1K
Water Source
Surface Water
Counties
King 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.

  • BR

    Bromate

    Bromate is a chemical byproduct formed when ozone or chlorine disinfects water containing bromide. It's regulated due to its potential to increase cancer risk.

    700.000 ppb
    EPA limit 10.000 ppb

Other Contaminants Detected

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

Arsenic

Avg:0.400 ppb
Limit:10.000 ppb

Barium

Avg:0.002 ppm
Limit:2.000 ppm

Combined Chlorine

Avg:7.720 ppm
Limit:-

Fluoride

Avg:0.700 ppm
Limit:4.000 ppm

Haloacetic Acids

Avg:25.000 ppb
Limit:60.000 ppb

Nitrate

Avg:0.100 ppm
Limit:10.000 ppm
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Contaminants tested