Know Your Environment. Protect Your Health.

Manganese

City of Dorchester

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
20181.10 ppb111.10 ppb
20192.30 ppb112.30 ppb
2020N/A00N/A
20212.80 ppb112.80 ppb
20221.70 ppb111.70 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
2018-07-05Q18266280121.10 ppb
2019-08-13Q19542350072.30 ppb
2021-12-13Q21349470012.80 ppb
2022-10-19Q22318290051.70 ppb