Know Your Environment. Protect Your Health.

Manganese

City of Richland

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
20190.141 ppb132ND - 1.42 ppb
20200.550 ppb21ND - 1.10 ppb
2021ND10ND
2022ND30ND
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
2018-05-09ND
2019-04-0908987201UND
2019-04-0908987199UND
2019-04-0908987200U0.410 ppb
2019-04-0908987202UND
2019-04-11ND
2019-05-07ND
2019-05-07ND
2019-07-0908987315UND
2019-07-0908987316UND
2019-10-0808987436UND
2019-10-0808987437U1.42 ppb
2019-10-2908987448UND
2019-10-2908987449UND
2020-01-0808987510UND
2020-01-0808987511U1.10 ppb
2021-03-184092670ND
2022-04-134282218ND
2022-04-134282217ND
2022-04-144277619ND
2023-05-314478537ND