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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Lombard

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
20190.116 ppb162ND - 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
2019-01-0942544701ND
2019-01-09425444011.10 ppb
2019-01-0942544501ND
2019-01-0942544601ND
2019-04-0443552901ND
2019-04-0443553001ND
2019-04-0443553101ND
2019-04-0443553201ND
2019-07-1045138801ND
2019-07-10451389010.760 ppb
2019-07-1045139001ND
2019-07-1045139101ND
2019-10-0946782801ND
2019-10-0946782901ND
2019-10-0946783001ND
2019-10-0946783101ND