Know Your Environment. Protect Your Health.

Manganese

The Coves Water Supply Corporation

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.

 

15

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
2020N/A00N/A
2021ND30ND
2022ND90ND
2023ND20ND

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
2019-07-09AE73585ND
2021-10-22Q2129860001ND
2021-10-22Q2129860002ND
2021-10-22Q2129860003ND
2022-01-10Q2200442001ND
2022-01-10Q2200442002ND
2022-04-04Q2210160001ND
2022-04-04Q2210160002ND
2022-07-19Q2220655001ND
2022-07-19Q2220655002ND
2022-09-12AG12342ND
2022-11-16Q2234328001ND
2022-11-16Q2234328002ND
2023-11-13Q2348348001ND
2023-11-14Q2348650001ND