Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Manganese

Americus

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND40ND
2016ND50ND
2017ND40ND
20183.13 ppb63ND - 9.27 ppb
2019ND20ND

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
2014-05-28AI41653ND
2014-08-28AI51841ND
2014-11-11AI59379ND
2015-02-19AI65262ND
2015-04-28AI75759ND
2015-08-11AI86048ND
2015-11-05AJ00572ND
2016-02-24AJ07081ND
2016-04-14AJ10157ND
2016-06-06AJ13494ND
2016-08-01AJ20487ND
2016-10-18AJ31623ND
2017-01-30AJ43731ND
2017-05-03AJ54699ND
2017-07-25AJ61685ND
2017-11-20AJ74108ND
2018-01-1738544330.473 ppb
2018-01-1738544419.03 ppb
2018-03-06AJ85119ND
2018-05-21AJ89846ND
2018-07-1639907359.27 ppb
2018-07-163990751ND
2019-05-02AK16279ND
2019-05-02AK16278ND