Know Your Environment. Protect Your Health.

Manganese

Westminster 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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.05 ppb221.90 ppb - 2.20 ppb
20192.90 ppb112.90 ppb
2020N/A00N/A
20212.40 ppb221.90 ppb - 2.90 ppb
20222.40 ppb112.40 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
2018-06-20Q18246910011.90 ppb
2018-08-23Q18340330062.20 ppb
2019-02-12Q19067280102.90 ppb
2021-12-06Q21337840031.90 ppb
2021-12-06Q21337840082.90 ppb
2022-05-11Q22141880162.40 ppb