Know Your Environment. Protect Your Health.

Manganese

City of Washougal

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0800 ppb61ND - 0.480 ppb
2019ND20ND
2020N/A00N/A
2021ND20ND
2022N/A00N/A
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
2018-05-22ND
2018-06-20ND
2018-06-20ND
2018-10-25ND
2018-12-03A8K1430-010.480 ppb
2018-12-03A8K1430-02ND
2019-06-11A9E2704-01ND
2019-06-11A9E2704-02ND
2021-03-254094373ND
2021-05-174120012ND