Know Your Environment. Protect Your Health.

Manganese

Harris County Municipal Utility District 205

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.

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201817.4 ppb222.20 ppb - 32.6 ppb
20199.00 ppb119.00 ppb
202020.6 ppb12123.40 ppb - 158.9 ppb
20219.15 ppb228.30 ppb - 10.00 ppb
20224.90 ppb114.90 ppb
2023N/A00N/A

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