Know Your Environment. Protect Your Health.

Manganese

West Monroe Water System

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.

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.30 ppb222.30 ppb
20191.08 ppb54ND - 3.11 ppb
20200.213 ppb113ND - 1.25 ppb
2021ND10ND
2022ND40ND
2023ND110ND

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
2018-07-16354053190012.30 ppb
2018-07-16354053190012.30 ppb
2019-11-1944915010.404 ppb
2019-11-1944914920.412 ppb
2019-11-194491520ND
2019-11-1944915303.11 ppb
2019-11-1944916021.47 ppb
2020-02-17B2000817-001ND
2020-02-17B2000817-002ND
2020-05-144629019ND
2020-05-1446283530.534 ppb
2020-05-144628445ND
2020-05-1446285170.558 ppb
2020-05-1446282991.25 ppb
2020-08-19B2004170-001ND
2020-08-19B2004170-002ND
2020-08-19B2004170-003ND
2020-08-19B2004170-004ND
2021-06-15B2102723-001ND
2022-02-21B2200773-004ND
2022-02-21B2200773-003ND
2022-02-21B2200773-002ND
2022-02-21B2200773-001ND
2023-06-20B2302495-001ND
2023-06-20B2302495-002ND
2023-06-20B2302495-003ND
2023-06-20B2302495-004ND
2023-06-20B2302495-005ND
2023-06-20B2302495-006ND
2023-06-26B2302590-003ND
2023-06-26B2302590-006ND
2023-06-26B2302590-005ND
2023-06-26B2302590-002ND
2023-07-11B2302790-001ND