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EWG's Tap Water Database — 2021 UPDATE

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Manganese

West Palm Beach Water Treatment Plant

Manganese is a naturally occurring element that is common in food and drinking water. Excessive manganese exposures may impair children's attention, memory and intellectual capacity. Click here to read more about manganese.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND30ND
2016ND30ND
2017ND20ND
2018ND10ND
20190.104 ppb92ND - 0.520 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 100 ppb

The EWG Health Guideline of 100 ppb for manganese was defined by the state of Minnesota as a health risk limit, the concentration of a contaminant that can be consumed with little or no risk to health. This health guideline protects against harm to the brain and nervous system.

ppb = parts per billion

All test results

Date Result
2015-03-16ND
2015-03-16ND
2015-03-16ND
2016-03-08ND
2016-03-08ND
2016-03-08ND
2017-07-25ND
2017-07-25ND
2018-03-13ND
2019-01-10ND
2019-01-10ND
2019-01-10ND
2019-06-250.520 ppb
2019-06-25ND
2019-09-12ND
2019-09-12ND
2019-12-160.420 ppb
2019-12-16ND
2020-03-18ND
2020-03-18ND