Know Your Environment. Protect Your Health.

Manganese

City of Yakima 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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
20191.24 ppb128ND - 6.60 ppb
202029.4 ppb1129.4 ppb
202131.6 ppb1131.6 ppb
20222.42 ppb53ND - 11.7 ppb
2023N/A00N/A

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
2018-03-12ND
2019-03-18ND
2019-06-010.600 ppb
2019-06-2519-23426-458193.40 ppb
2019-06-2519-23426-458226.60 ppb
2019-06-2519-23426-458210.400 ppb
2019-06-2519-23426-45820ND
2019-07-170.900 ppb
2019-09-0919-34679-66988ND
2019-12-1619-47905-93026ND
2019-12-1619-47905-930270.670 ppb
2019-12-1619-47905-930281.10 ppb
2019-12-1719-48134-933941.20 ppb
2020-03-1720-09943-1943829.4 ppb
2021-01-26407114331.6 ppb
2022-01-26424035011.7 ppb
2022-06-1442934070.230 ppb
2022-07-1443161770.190 ppb
2022-08-164333110ND
2022-08-234359790ND