Know Your Environment. Protect Your Health.

Manganese

Rowland Pond S/d

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)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019146.0 ppb33133.0 ppb - 158.0 ppb
2020N/A00N/A
2021N/A00N/A
2022135.6 ppb3319.7 ppb - 200.0 ppb
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
2019-04-15CC04303-01158.0 ppb
2019-04-15CC04303-02147.0 ppb
2019-10-29CC16008-01133.0 ppb
2022-04-12CF02443-01187.0 ppb
2022-04-12CF02443-02200.0 ppb
2022-10-20CF12878-0119.7 ppb