Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Manganese

Lynch Water Works

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND10ND
2016ND10ND
201740.0 ppb1140.0 ppb
2018ND10ND
2019ND10ND

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
2014-01-07103719PND
2014-01-07303842PND
2014-03-18201403828001ND
2014-04-09106565PND
2014-04-09306647PND
2014-07-16107790PND
2014-07-16307911PND
2014-10-22109418QND
2014-10-22309339PND
2015-03-10201502891001ND
2016-03-01201602840001ND
2017-03-0720170319200140.0 ppb
2018-03-20201803094001ND
2019-03-05201902845001ND