Know Your Environment. Protect Your Health.

Manganese

Dardanelle Waterworks

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND30ND
2022ND20ND
2023ND40ND

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
2018-05-08Y181300001ND
2019-04-02Y190940001ND
2020-04-20Y201140014ND
2021-04-07Y210980050ND
2021-08-09Y212240014ND
2021-11-08Y213140021ND
2022-01-05Y220070016ND
2022-04-25Y221180009ND
2023-04-03Y230960045ND
2023-04-18Y231100009ND
2023-05-01Y231240069ND
2023-05-08Y231310037ND