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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Deerfield

NOTE: Deerfield purchases water from Highland Park which is required to test for manganese. Sample information shown below was taken by Highland Park.

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.

 

10

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
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND
2018ND10ND
2019ND40ND

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

NOTE: Deerfield purchases water from Highland Park which is required to test for manganese. Sample information shown below was taken by Highland Park.

Date Lab ID Result
2014-05-124052356-01ND
2015-04-135042764-01ND
2016-05-096052041-01ND
2017-05-087051588-01ND
2018-05-148052502-01ND
2019-05-209054032-01ND
2019-10-0847003001ND
2020-01-2147836601ND
2020-04-2249218001ND
2020-07-1450640801ND