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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Bainbridge

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND10ND
2016ND10ND
2017ND40ND
2018ND10ND
2019ND30ND

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 Lab ID Result
2014-03-19AI36410ND
2014-09-16AI54011ND
2014-09-16AI54012ND
2014-09-17AI54414ND
2015-01-27AI63596ND
2016-02-22AJ06897ND
2017-01-25AJ43574ND
2017-09-05AJ66882ND
2017-09-05AJ66883ND
2017-09-05AJ66884ND
2018-01-24AJ77869ND
2019-01-16AK09681ND
2019-12-184520491ND
2019-12-184520500ND