Know Your Environment. Protect Your Health.

Manganese

Boothbay Region Water District

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)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201839.0 ppb1139.0 ppb
201948.0 ppb1148.0 ppb
202094.0 ppb1194.0 ppb
20215.80 ppb115.80 ppb
202235.0 ppb1135.0 ppb
20231.80 ppb111.80 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 Lab ID Result
2018-04-031803694-0139.0 ppb
2019-03-191903372-0148.0 ppb
2020-03-242003381-0194.0 ppb
2021-05-122101604-015.80 ppb
2022-04-062203379-0135.0 ppb
2023-06-142303329-011.80 ppb