Know Your Environment. Protect Your Health.

Manganese

Crescent Bay Improvement Company

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.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND10ND
202069.0 ppb1169.0 ppb
202123.0 ppb1123.0 ppb
202228.0 ppb1128.0 ppb
202352.0 ppb1152.0 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
2019-05-31CA1700519_001_001-201905310800ND
2020-05-19CA1700519_001_001-20200519070069.0 ppb
2021-05-18CA1700519_001_001-20210518081523.0 ppb
2022-05-31CA1700519_001_001-20220531093028.0 ppb
2023-11-15CA1700519_001_001-20231115084752.0 ppb