Know Your Environment. Protect Your Health.

Manganese

City Of South Shore Water Works

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)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201842.0 ppb1142.0 ppb
2019122.0 ppb11122.0 ppb
202030.0 ppb1130.0 ppb
202159.0 ppb1159.0 ppb
20225.00 ppb115.00 ppb
202311.0 ppb1111.0 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 Lab ID Result
2018-08-018080356-0142.0 ppb
2019-08-149080488-01122.0 ppb
2020-08-050080718-0130.0 ppb
2021-08-041080981-0159.0 ppb
2022-08-032081237-015.00 ppb
2023-07-123073437-0111.0 ppb