Know Your Environment. Protect Your Health.

Manganese

Hampton Shaler Water Authority

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
20181.39 ppb221.15 ppb - 1.62 ppb
20190.800 ppb32ND - 1.30 ppb
20202.20 ppb331.20 ppb - 3.40 ppb
2021N/A00N/A
2022N/A00N/A
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
2019-07-157097627009SEA11.10 ppb
2019-07-157097627010SEA11.30 ppb
2019-10-0170106927009SEA2ND
2020-01-0670117749009SEA21.20 ppb
2020-01-0770117749010SEA33.40 ppb
2020-04-1470128247009SEA42.00 ppb