Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Manganese

Golden State Water Company - Edna

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

 

64

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND120ND
2016ND120ND
2017ND110ND
2018ND130ND
2019ND130ND

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
2014-05-072706-016-0823ND
2014-11-052706-016-0750ND
2014-12-032706-016-0850ND
2015-01-072706-016-0815ND
2015-02-032706-016-0858ND
2015-03-042706-016-0938ND
2015-04-012706-016-0800ND
2015-05-062706-016-0845ND
2015-06-032706-016-0835ND
2015-07-012706-016-0830ND
2015-08-052706-016-0825ND
2015-09-022706-016-0820ND
2015-10-072706-016-0814ND
2015-11-042706-016-0752ND
2015-12-022706-016-0835ND
2016-01-052706-016-1405ND
2016-02-022706-016-0953ND
2016-03-012706-016-0945ND
2016-04-052706-016-0952ND
2016-05-042706-016-0850ND
2016-06-012706-016-0845ND
2016-07-052706-016-1005ND
2016-08-032706-016-0813ND
2016-09-142706-016-0800ND
2016-10-052706-016-0847ND
2016-11-022706-016-0815ND
2016-12-072706-016-0910ND
2017-01-109590-016-0912ND
2017-02-079590-016-0905ND
2017-03-079590-016-0805ND
2017-04-049590-016-0725ND
2017-05-029590-016-0816ND
2017-07-119590-016-0905ND
2017-08-019590-016-0810ND
2017-09-059590-016-0825ND
2017-10-039590-016-0920ND
2017-11-079590-016-0750ND
2017-12-059590-016-0852ND
2018-01-169590-016-0910ND
2018-02-069590-016-0822ND
2018-02-139590-016-1100ND
2018-03-069590-016-0812ND
2018-04-039590-016-0905ND
2018-05-019590-016-0955ND
2018-06-052438-016-0920ND
2018-07-239590-016-0855ND
2018-08-069590-016-1138ND
2018-09-109590-016-0840ND
2018-10-019590-016-1000ND
2018-11-059590-016-0902ND
2018-12-039590-016-0940ND
2019-01-029590-016-0935ND
2019-01-229590-016-0955ND
2019-02-049590-016-0916ND
2019-03-049590-016-0835ND
2019-04-019590-016-1000ND
2019-05-069590-016-0820ND
2019-06-039590-016-0902ND
2019-07-089590-016-1045ND
2019-08-059590-016-1012ND
2019-09-039590-016-0842ND
2019-10-079590-016-0824ND
2019-11-049590-016-0907ND
2019-12-029590-016-1032ND