Know Your Environment. Protect Your Health.

Manganese

City of Richland Hills

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.267 ppb197ND - 1.30 ppb
20191.20 ppb221.20 ppb
202010.00 ppb51ND - 50.0 ppb
2021ND50ND
20221.15 ppb221.000 ppb - 1.30 ppb
20232.40 ppb51ND - 12.0 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
2015-03-17112601PND
2015-03-17312684PND
2015-03-17312685P1.30 ppb
2015-03-18112602P4.97 ppb
2019-01-16Q19022650021.20 ppb
2019-01-16Q19022650101.20 ppb
2022-01-19Q22020130021.000 ppb
2022-01-19Q22020130031.30 ppb