Know Your Environment. Protect Your Health.

Manganese

Brazosport Water Authority

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
20186.80 ppb116.80 ppb
20197.50 ppb117.50 ppb
20202.80 ppb112.80 ppb
20215.40 ppb115.40 ppb
20224.00 ppb114.00 ppb
202330.7 ppb1130.7 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
2018-01-22AE094386.80 ppb
2019-01-10AE493047.50 ppb
2020-03-17AF032152.80 ppb
2021-01-21AF402565.40 ppb
2022-01-24AF812104.00 ppb
2023-05-15AG4041430.7 ppb