Know Your Environment. Protect Your Health.

Manganese

Knox County Rural SUD

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.

 

1

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201815.1 ppb24241.000 ppb - 37.0 ppb
201916.1 ppb14144.00 ppb - 35.0 ppb
20206.00 ppb116.00 ppb
202114.1 ppb442.10 ppb - 46.0 ppb
202221.6 ppb338.70 ppb - 39.0 ppb
20239.20 ppb32ND - 26.0 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
2020-10-06C0J0611-026.00 ppb