Know Your Environment. Protect Your Health.

Manganese

LPWDN North Region

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.

 

2

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018165.9 ppb2422ND - 480.0 ppb
20194.80 ppb223.60 ppb - 6.00 ppb
2020103.3 ppb3370.0 ppb - 160.0 ppb
2021151.0 ppb109ND - 320.0 ppb
2022106.0 ppb107ND - 230.0 ppb
202348.6 ppb73ND - 170.0 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
2019-01-3135445368001SEA13.60 ppb
2019-07-3035485887001SEA26.00 ppb