Know Your Environment. Protect Your Health.

Manganese

Oak Ridge Department of Public 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)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201816.8 ppb220.770 ppb - 32.8 ppb
20197.30 ppb222.20 ppb - 12.4 ppb
2020N/A00N/A
2021N/A00N/A
2022ND20ND
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 Result
2018-08-150.770 ppb
2018-11-1432.8 ppb
2019-02-132.20 ppb
2019-05-0812.4 ppb
2022-02-10ND
2022-02-10ND