Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Manganese

Glen of Robin Hood

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND200ND
2016N/A00N/A
2017ND30ND
2018N/A00N/A
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
2014-12-01AI60356ND
2014-12-01AI60357ND
2014-12-01AI60359ND
2015-05-20113217PND
2015-05-20313294PND
2015-05-20313293PND
2015-05-20313292PND
2015-05-20313295PND
2015-05-20313296PND
2015-05-20113218PND
2015-05-20113216PND
2015-05-20113215PND
2015-05-20113214PND
2015-11-18116037PND
2015-11-18316115PND
2015-11-18316114PND
2015-11-18316113PND
2015-11-18316116PND
2015-11-18316117PND
2015-11-18116039PND
2015-11-18116038PND
2015-11-18116036PND
2015-11-18116035PND
2017-06-20AJ58135ND
2017-06-20AJ58137ND
2017-06-20AJ58136ND