Know Your Environment. Protect Your Health.

Manganese

Limerick Water District

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.

 

5

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
20197.10 ppb117.10 ppb
2020114.0 ppb11114.0 ppb
202136.2 ppb1136.2 ppb
2022N/A00N/A
202333.4 ppb21ND - 66.7 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
2019-12-181912-01849-0027.10 ppb
2020-04-092004-00924-004114.0 ppb
2021-06-0340210101236.2 ppb
2023-03-202303-03667-00266.7 ppb
2023-09-182309-03878-002ND