Know Your Environment. Protect Your Health.

Manganese

Tra Huntsville Regional Water Supply

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
20182.30 ppb112.30 ppb
20191.30 ppb111.30 ppb
2020ND10ND
20212.50 ppb112.50 ppb
2022ND10ND
20231.000 ppb111.000 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
2018-02-15AE139542.30 ppb
2019-02-21AE552471.30 ppb
2020-03-17AF03217ND
2021-03-02AF448052.50 ppb
2022-03-08AF87952ND
2023-03-01AG310631.000 ppb