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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Aqua NJ - Tranquility Springs

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
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND
2018ND10ND
2019ND90ND

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
2014-08-12AE44240ND
2015-02-03AE64818ND
2016-08-18AF26884ND
2017-05-03AF50247ND
2018-05-02AF83175ND
2019-04-30AG16040ND
2019-11-05AG38450ND
2019-11-05AG38449ND
2019-11-05AG38451ND
2019-11-25AG40891ND
2019-11-25AG41375ND
2019-11-25AG41374ND
2019-11-25AG40892ND
2019-11-25AG40893ND