Know Your Environment. Protect Your Health.

Manganese

Willow Park Marina

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)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018115.0 ppb22110.0 ppb - 120.0 ppb
2019N/A00N/A
2020N/A00N/A
2021120.0 ppb22120.0 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
2018-06-20CA0707507_002_002-201806201300110.0 ppb
2018-06-20CA0707507_001_001-201806201245120.0 ppb
2021-06-23CA0707507_001_001-202106230800120.0 ppb
2021-06-23CA0707507_002_002-202106230820120.0 ppb