Know Your Environment. Protect Your Health.

Manganese

Lake South Water Supply Corporation

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201822.6 ppb1122.6 ppb
2019N/A00N/A
2020N/A00N/A
202127.1 ppb1127.1 ppb
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2014-01-08103781Q25.4 ppb
2014-01-08303887P47.9 ppb
2014-07-09107849Q31.0 ppb
2014-07-09307956P48.0 ppb
2018-08-07AE3594022.6 ppb
2021-09-02AF6870227.1 ppb