Know Your Environment. Protect Your Health.

Manganese

Mamou Road Water District Inc.

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019110.0 ppb42ND - 220.0 ppb
2020N/A00N/A
2021ND10ND
202215.0 ppb2210.00 ppb - 20.0 ppb
2023ND10ND

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
2019-04-22B1901698-001ND
2019-04-22B1901698-002220.0 ppb
2019-04-22B1901698-001ND
2019-04-22B1901698-002220.0 ppb
2021-11-23B2106495-001ND
2022-05-09B2202188-00110.00 ppb
2022-05-09B2202188-00220.0 ppb
2023-02-17B2300783-001ND