Know Your Environment. Protect Your Health.

Manganese

Mill River Water 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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.350 ppb62ND - 1.10 ppb
20190.550 ppb21ND - 1.10 ppb
20201.50 ppb21ND - 3.00 ppb
2021ND20ND
2022ND20ND
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
2020-06-17AW11407-INS3.00 ppb
2020-12-09AW23564-INSND
2021-05-19AX09623-INSND
2021-12-09AX24400-INSND
2022-06-08AY09687-INSND
2022-11-02AY19818-INSND
2023-05-22AZ09224-INSND
2023-10-17AZ19164-INSND