Know Your Environment. Protect Your Health.

Manganese

NJ American Water - Twin Lakes

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND10ND
2021ND20ND
20225.00 ppb21ND - 10.00 ppb
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
2018-04-0439254901ND
2018-05-168050677-01ND
2019-04-0243679401ND
2019-05-069050259-01ND
2020-04-0149503401ND
2021-04-0554036401ND
2021-04-291041373-01ND
2022-04-2058298501ND
2022-10-142100639-0110.00 ppb