Know Your Environment. Protect Your Health.

Manganese

City of Cornelius

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.

 

14

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
20190.230 ppb61ND - 1.38 ppb
2020ND30ND
2021ND30ND
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 Lab ID Result
2019-04-231904B39-001AND
2019-04-231904B39-002AND
2019-07-231907B66-001A1.38 ppb
2019-07-231907B66-002AND
2019-10-231910B68-001AND
2019-10-231910B68-002AND
2020-01-272001B36-001AND
2020-01-272001B36-002AND
2020-05-13013402601-IND
2021-05-10113001301-IND
2021-11-16132000801-IND
2021-11-16132000802-IND
2022-05-242144007-01-IND
2022-05-242144007-02ND