Know Your Environment. Protect Your Health.

Manganese

Port Townsend City Of

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.177 ppb31ND - 0.530 ppb
2019ND20ND
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
202331.0 ppb42ND - 62.0 ppb

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
2018-05-0818-16465-33784ND
2018-08-0618-29513-59722ND
2018-11-0518-41823-849860.530 ppb
2019-09-04ND
2019-09-04ND
2023-03-15443554862.0 ppb
2023-03-15443554862.0 ppb
2023-04-194452126ND
2023-04-194452126ND