Know Your Environment. Protect Your Health.

Manganese

C R C 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.

 

4

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
20196.20 ppb224.80 ppb - 7.60 ppb
2020N/A00N/A
2021N/A00N/A
20225.90 ppb223.60 ppb - 8.20 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
2019-03-13Q19106240044.80 ppb
2019-03-13Q19106240147.60 ppb
2022-06-20Q22169430088.20 ppb
2022-06-20Q22169430093.60 ppb