Know Your Environment. Protect Your Health.

Manganese

Ely Municipal Water Department

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201811.7 ppb31ND - 35.0 ppb
20195.00 ppb21ND - 10.00 ppb
2020ND10ND
2021ND30ND
2022ND20ND
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
2013-02-27300513PND
2013-02-27100397QND
2013-10-23101945P13.0 ppb
2013-10-23101944P5.60 ppb
2013-10-23101947P1.10 ppb
2013-10-23301841PND
2013-10-23101943PND
2014-03-12102902R5.30 ppb
2018-11-0818110223-00535.0 ppb
2018-11-0818110223-007ND
2018-11-0818110223-002ND
2019-11-1419110404-00310.00 ppb
2019-11-1419110404-002ND
2020-09-1020090382-001ND
2021-12-0921120341-003ND
2021-12-0921120341-002ND
2021-12-0921120341-001ND
2022-05-1222050451-002ND
2022-07-0722070169-004ND
2023-05-1023050343-003ND