Know Your Environment. Protect Your Health.

Manganese

City of Troy

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.

 

3

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.70 ppb111.70 ppb
20190.467 ppb32ND - 0.900 ppb
2020ND10ND
20211.10 ppb111.10 ppb
202215.7 ppb1115.7 ppb
2023ND10ND

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
2018-01-17AE090971.70 ppb
2021-04-08AF494141.10 ppb
2022-11-21AG1933015.7 ppb