Know Your Environment. Protect Your Health.

Manganese

City of Groesbeck

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
20184.50 ppb114.50 ppb
20196.40 ppb116.40 ppb
20204.00 ppb114.00 ppb
20212.70 ppb112.70 ppb
20226.60 ppb116.60 ppb
20233.50 ppb113.50 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
2018-02-28Q18083730014.50 ppb
2019-03-06Q19096710036.40 ppb
2020-03-17Q20117180014.00 ppb
2021-03-02Q21053280022.70 ppb
2022-06-07Q22158380036.60 ppb
2023-02-22Q23074020033.50 ppb