Know Your Environment. Protect Your Health.

Manganese

New Water Supply Corporation

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
20183.73 ppb331.70 ppb - 5.40 ppb
2019N/A00N/A
202013.0 ppb1113.0 ppb
20212.70 ppb332.00 ppb - 3.50 ppb
2022N/A00N/A
20236.90 ppb116.90 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
2018-06-06Q18225070104.10 ppb
2018-06-06Q18225070115.40 ppb
2018-06-06Q18225070121.70 ppb
2020-11-09Q204374501813.0 ppb
2021-04-15Q21097630172.60 ppb
2021-04-15Q21097630183.50 ppb
2021-04-15Q21097630192.00 ppb
2023-06-15Q23227670096.90 ppb