Know Your Environment. Protect Your Health.

Manganese

Denton County Fresh Water Supply District 8-c

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
20181.10 ppb111.10 ppb
2019N/A00N/A
2020ND10ND
20211.000 ppb111.000 ppb
2022N/A00N/A
20232.80 ppb112.80 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
2018-02-12Q18059530051.10 ppb
2020-03-19Q2012019008ND
2021-12-07Q21344370011.000 ppb
2023-11-06Q23478020052.80 ppb