Know Your Environment. Protect Your Health.

Manganese

Franklin Water Department

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
20198.68 ppb76ND - 55.6 ppb
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND10ND

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
2019-02-131.70 ppb
2019-02-271.000 ppb
2019-05-15ND
2019-05-150.860 ppb
2019-08-1455.6 ppb
2019-11-130.850 ppb
2019-11-130.780 ppb
2023-12-12ND