Know Your Environment. Protect Your Health.

Manganese

Loudon Utilities Board

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.

 

9

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
20191.93 ppb65ND - 4.40 ppb
20200.650 ppb21ND - 1.30 ppb
2021ND10ND
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 Result
2019-05-064.40 ppb
2019-05-061.20 ppb
2019-08-131.52 ppb
2019-08-133.44 ppb
2019-11-11ND
2019-11-111.000 ppb
2020-02-25ND
2020-02-251.30 ppb
2021-05-12ND