Know Your Environment. Protect Your Health.

Manganese

City of Bellingham Water Division

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
2018ND10ND
20190.723 ppb42ND - 2.00 ppb
2020N/A00N/A
2021ND10ND
20223.00 ppb113.00 ppb
20231.10 ppb111.10 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
2018-07-31ND
2019-02-06A9A2215-01ND
2019-05-07ND
2019-08-07A9G3212-012.00 ppb
2019-11-04V9J0252-010.890 ppb
2021-05-274210773ND
2022-09-2143662283.00 ppb
2023-08-1545416931.10 ppb