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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Aqua NJ - Riegel Ridge

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019N/A00N/A

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
2014-09-24AE50055ND
2014-09-24AE50058ND
2015-06-02AE77990ND
2015-06-02AE77992ND
2016-03-01AF09225ND
2016-03-01AF09227ND
2017-05-08AF50759ND
2017-05-08AF50762ND
2018-05-03AF83252ND
2018-05-03AF83255ND