Know Your Environment. Protect Your Health.

Manganese

Marchi Central Farm

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
2018N/A00N/A
201949.0 ppb1149.0 ppb
2020N/A00N/A
2021N/A00N/A
202238.0 ppb32ND - 73.0 ppb
202376.4 ppb5521.0 ppb - 240.0 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
2019-06-04CA4100551_008_008-20190604171549.0 ppb
2022-06-28CA4100551_008_008-20220628080073.0 ppb
2022-09-06CA4100551_008_008-20220906072041.0 ppb
2022-11-15CA4100551_008_008-202211150800ND
2023-01-19CA4100551_008_008-20230119073024.0 ppb
2023-07-13CA4100551_008_008-202307130710240.0 ppb
2023-08-16CA4100551_008_008-20230816080025.0 ppb
2023-09-17CA4100551_008_008-20230917070021.0 ppb
2023-12-12CA4100551_008_008-20231212120372.0 ppb