Know Your Environment. Protect Your Health.

Manganese

Clackamas River Water - Clairmont

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
20180.313 ppb31ND - 0.940 ppb
20190.730 ppb110.730 ppb
2020ND10ND
2021ND10ND
2022ND10ND
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
2018-04-1618-13037-270970.940 ppb
2018-07-24201807250225ND
2018-10-23201810240205ND
2019-01-152019011604220.730 ppb
2021-01-26102602801-IND
2022-01-252025030-01-IND
2023-02-083039008-01-IND