Know Your Environment. Protect Your Health.

Manganese

West Harris County Municipal Utility District 15

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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20188.60 ppb118.60 ppb
2019N/A00N/A
20203.50 ppb113.50 ppb
20218.70 ppb118.70 ppb
2022N/A00N/A
20234.00 ppb114.00 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
2018-03-05AE165698.60 ppb
2020-11-05AF334273.50 ppb
2021-03-09AF459128.70 ppb
2023-02-22AG298844.00 ppb