Know Your Environment. Protect Your Health.

Manganese

West Hill Water Company Inc.

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018269.0 ppb11269.0 ppb
2019290.0 ppb11290.0 ppb
202023.1 ppb1123.1 ppb
2021269.0 ppb11269.0 ppb
2022288.0 ppb11288.0 ppb
2023312.5 ppb22307.0 ppb - 318.0 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
2018-12-13JH1809853-SEC269.0 ppb
2019-10-24JH1907699-SEC290.0 ppb
2020-08-20JH2006279-SEC23.1 ppb
2021-09-14JH2108280-SEC269.0 ppb
2022-07-20JH2205786-SEC288.0 ppb
2023-07-25JH2305933-SEC307.0 ppb
2023-08-31JH2307488-FE318.0 ppb