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EWG's Tap Water Database

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Manganese

Fairview Union Water System

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010220.0 ppb11220.0 ppb
201180.0 ppb1180.0 ppb
201270.0 ppb1170.0 ppb
201330.0 ppb1130.0 ppb
2014ND10ND
201512.0 ppb1112.0 ppb

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 100 ppb

The health guideline of 100 ppb for manganese was defined by the State of Minnesota as a risk assessment advisory level, a non-enforceable guideline. This health guideline protects against harm to the brain and nervous system.

ppb = parts per billion.

All test results

Date Lab ID Result
2010-06-07AD39790220.0 ppb
2010-06-07AD39790220.0 ppb
2011-05-16AD5342080.0 ppb
2011-05-16AD5342080.0 ppb
2012-03-19AD6441270.0 ppb
2012-03-19AD6441270.0 ppb
2013-03-25AD7634530.0 ppb
2013-03-25AD7634530.0 ppb
2014-04-14AD90596ND
2014-04-14AD90596ND
2015-03-093517888300112.0 ppb
2015-03-093517888300112.0 ppb