Know Your Environment. Protect Your Health.

Manganese

Whitworth Water District 2

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND100ND
20190.519 ppb93ND - 2.77 ppb
2020N/A00N/A
2021ND10ND
2022ND50ND
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
2018-05-21ND
2018-05-21ND
2018-05-21ND
2018-10-15181015054-013ND
2018-10-15181015054-011ND
2018-10-15181015054-009ND
2018-10-15181015054-007ND
2018-10-15181015054-005ND
2018-10-15181015054-001ND
2018-10-15181015054-003ND
2019-04-15190415025-013ND
2019-04-15190415025-011ND
2019-04-15190415025-0072.77 ppb
2019-04-15190415025-005ND
2019-04-15190415025-003ND
2019-04-15190415025-001ND
2019-04-16190415025-0150.605 ppb
2019-06-181.30 ppb
2019-06-21ND
2021-05-174117274ND
2022-04-214271877ND
2022-05-184284648ND
2022-05-314294015ND
2022-06-274309799ND
2022-07-144309806ND
2023-04-274452165ND