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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Brunswick

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.

 

18

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
2015ND50ND
2016N/A00N/A
2017N/A00N/A
20183.86 ppb71ND - 27.0 ppb
20190.503 ppb32ND - 1.10 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 Lab ID Result
2015-03-19AI69488ND
2015-03-19AI69487ND
2015-03-19AI69484ND
2015-03-19AI69483ND
2015-03-19AI69482ND
2018-05-15AJ89602ND
2018-05-15AJ89608ND
2018-05-15AJ89607ND
2018-05-15AJ89606ND
2018-05-15AJ8960527.0 ppb
2018-05-15AJ89604ND
2018-05-15AJ89599ND
2019-10-1435504965001SEA10.410 ppb
2019-10-1435504965002SEA11.10 ppb
2019-10-1435504965003SEA1ND
2020-04-0735542290001SEA20.430 ppb
2020-04-0735542290002SEA20.450 ppb
2020-04-0735542290003SEA2ND