Know Your Environment. Protect Your Health.

Manganese

Desoto Parish Water Works District 1

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201836.0 ppb2236.0 ppb
201916.0 ppb2216.0 ppb
202010.00 ppb1110.00 ppb
202150.0 ppb1150.0 ppb
2022ND10ND
2023190.0 ppb2230.0 ppb - 350.0 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
2018-02-203537598400136.0 ppb
2018-02-203537598400136.0 ppb
2019-03-133545472600116.0 ppb
2019-03-133545472600116.0 ppb
2020-02-03B2000557-00110.00 ppb
2021-01-13B2100144-00150.0 ppb
2022-02-22B2200828-001ND
2023-02-07B2300547-00130.0 ppb
2023-08-21B2303428-001350.0 ppb