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EWG's Tap Water Database — 2019 UPDATE

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Manganese

Dalton Utilities

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND20ND
2014ND20ND
2015ND30ND
201624.0 ppb32ND - 45.0 ppb
2017ND30ND

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
2012-05-07AH58327ND
2012-05-07AH58326ND
2013-03-26AH92679ND
2013-03-26AH92678ND
2014-02-24AI28475ND
2014-02-24AI28474ND
2015-01-27AI63481ND
2015-01-27AI63480ND
2015-03-09AI68508ND
2016-02-08AJ0601945.0 ppb
2016-02-08AJ06018ND
2016-03-28AJ0875827.0 ppb
2017-02-14AJ46459ND
2017-02-14AJ46458ND
2017-02-14AJ46457ND