Know Your Environment. Protect Your Health.

Manganese

Lakeshore Water System

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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20188.65 ppb221.30 ppb - 16.0 ppb
2019N/A00N/A
2020N/A00N/A
20212.30 ppb221.80 ppb - 2.80 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
2018-10-25Q18428570051.30 ppb
2018-10-25Q184285700616.0 ppb
2021-07-20Q21189540051.80 ppb
2021-12-06Q21336650032.80 ppb