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EWG's Tap Water Database — 2019 UPDATE

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Manganese

James Fork Regional Water District

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND10ND
20141.90 ppb111.90 ppb
2015ND10ND
20161.30 ppb111.30 ppb
20172.30 ppb112.30 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
2012-01-03120060008ND
2012-01-03Y120060008ND
2013-01-29130310017ND
2014-01-271403000181.90 ppb
2015-01-20Y150230001ND
2016-01-14Y1601500041.30 ppb
2017-01-31Y1703300022.30 ppb