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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Mustang SUD

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.

MORE ABOUT THIS CONTAMINANT

 

65

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.525 ppb110.525 ppb
2015N/A00N/A
20160.928 ppb440.610 ppb - 1.70 ppb
20170.300 ppb41ND - 1.20 ppb
2018N/A00N/A
20190.0364 ppb553ND - 1.000 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
2014-01-16Q14014870040.525 ppb
2016-01-07Q16004480080.700 ppb
2016-01-07Q16004480071.70 ppb
2016-01-07Q16004480060.610 ppb
2016-01-07Q16004480050.700 ppb
2017-03-22Q1712369011ND
2017-03-22Q17123690121.20 ppb
2017-03-22Q1712369013ND
2017-03-22Q1712369014ND
2019-01-08Q1900592012ND
2019-01-08Q1900592011ND
2019-01-08Q19005920021.000 ppb
2019-01-08Q1900592010ND
2019-04-08Q1914010001ND
2019-06-26Q1940721015ND
2019-06-26Q1940721016ND
2019-06-26Q1940721001ND
2019-06-26Q1940721002ND
2019-06-26Q1940721003ND
2019-06-26Q1940721014ND
2019-06-26Q1940721013ND
2019-06-26Q1940721012ND
2019-06-26Q1940721011ND
2019-06-26Q1940721010ND
2019-06-26Q1940721009ND
2019-06-26Q1940721008ND
2019-06-26Q1940721007ND
2019-06-26Q1940721006ND
2019-06-26Q1940721005ND
2019-06-26Q1940721004ND
2019-07-09Q19429210010.600 ppb
2019-09-16Q1966099003ND
2019-09-16Q1966099004ND
2019-09-16Q1966099002ND
2019-09-16Q1966099005ND
2019-09-16Q1966099001ND
2019-09-16Q1966099014ND
2019-09-16Q1966099013ND
2019-09-16Q1966099016ND
2019-09-16Q1966099015ND
2019-09-16Q1966099012ND
2019-09-16Q1966099011ND
2019-09-16Q1966099010ND
2019-09-16Q1966099009ND
2019-09-16Q1966099008ND
2019-09-16Q1966099007ND
2019-09-16Q1966099006ND
2019-10-14Q19724460010.400 ppb
2019-12-10Q1979744005ND
2019-12-10Q1979744010ND
2019-12-10Q1979744009ND
2019-12-10Q1979744008ND
2019-12-10Q1979744007ND
2019-12-10Q1979744011ND
2019-12-10Q1979744004ND
2019-12-10Q1979744003ND
2019-12-10Q1979744002ND
2019-12-10Q1979744001ND
2019-12-10Q1979744012ND
2019-12-11Q1979744015ND
2019-12-11Q1979744006ND
2019-12-11Q1979744013ND
2019-12-11Q1979744014ND
2019-12-11Q1979744016ND
2020-01-13Q2001034001ND