Know Your Environment. Protect Your Health.

Manganese

City of Hemphill

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
201823.0 ppb1123.0 ppb
201921.0 ppb1121.0 ppb
202045.0 ppb1145.0 ppb
20218.70 ppb118.70 ppb
202210.00 ppb1110.00 ppb
202331.0 ppb1131.0 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
2018-02-21Q180761900423.0 ppb
2019-01-09Q190141400221.0 ppb
2020-01-23Q200280400245.0 ppb
2021-03-16Q21069240028.70 ppb
2022-01-24Q220226000210.00 ppb
2023-01-05Q230064500331.0 ppb