Know Your Environment. Protect Your Health.

Manganese

Smithwick Mills Community

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
20186.90 ppb116.90 ppb
20194.80 ppb114.80 ppb
20207.10 ppb117.10 ppb
20215.20 ppb115.20 ppb
20226.50 ppb116.50 ppb
20236.40 ppb116.40 ppb

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
2018-05-17AE267006.90 ppb
2019-05-30AE685414.80 ppb
2020-04-06AF056057.10 ppb
2021-02-03AF423935.20 ppb
2022-04-26AF943846.50 ppb
2023-01-12AG243136.40 ppb