Know Your Environment. Protect Your Health.

Manganese

The Meeting House @ Stow Condo

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018106.5 ppb21ND - 213.0 ppb
2019ND20ND
2020113.5 ppb21ND - 227.0 ppb
2021120.0 ppb21ND - 240.0 ppb
2022113.5 ppb21ND - 227.0 ppb
202376.7 ppb31ND - 230.0 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 Result
2018-06-05ND
2018-06-05213.0 ppb
2019-06-19ND
2019-06-19ND
2020-05-27227.0 ppb
2020-05-27ND
2021-04-16ND
2021-04-16240.0 ppb
2022-04-14227.0 ppb
2022-04-14ND
2023-04-24ND
2023-04-24230.0 ppb
2023-10-17ND