Know Your Environment. Protect Your Health.

Manganese

Green River Mutual Water Company

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
2018N/A00N/A
201916.7 ppb31ND - 50.0 ppb
2020N/A00N/A
2021N/A00N/A
202230.3 ppb32ND - 53.0 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
2019-06-04CA4000554_001_001-201906040700ND
2019-06-04CA4000554_003_003-201906040700ND
2019-06-04CA4000554_012_012-20190604070050.0 ppb
2022-12-05CA4000554_003_003-202212051210ND
2022-12-05CA4000554_012_012-20221205101038.0 ppb
2022-12-05CA4000554_001_001-20221205111053.0 ppb