Know Your Environment. Protect Your Health.

Manganese

Franklin County Rural Water District 6

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
201829.0 ppb1129.0 ppb
20198.80 ppb118.80 ppb
202012.0 ppb1112.0 ppb
202146.0 ppb1146.0 ppb
20222.50 ppb112.50 ppb
202313.0 ppb1113.0 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
2018-05-0796661929.0 ppb
2019-05-0711578648.80 ppb
2020-05-04136862512.0 ppb
2021-04-26182482646.0 ppb
2022-05-1022556372.50 ppb
2023-05-15250053913.0 ppb