Know Your Environment. Protect Your Health.

Manganese

Castroville Community Services District

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND30ND
2020N/A00N/A
2021ND10ND
2022ND20ND
2023N/A00N/A

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
2018-01-17CA2710005_009_009-201801170915ND
2019-01-28CA2710005_005_005-201901281050ND
2019-01-28CA2710005_004_004-201901281055ND
2019-01-28CA2710005_003_003-201901281035ND
2021-01-19CA2710005_009_009-202101190925ND
2022-01-10CA2710005_005_005-202201100955ND
2022-01-10CA2710005_003_003-202201100900ND