Know Your Environment. Protect Your Health.

Manganese

Spanaway Water Company

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.

 

34

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20188.44 ppb93ND - 53.0 ppb
201938.8 ppb128ND - 150.0 ppb
202021.8 ppb107ND - 139.1 ppb
2021N/A00N/A
202244.7 ppb32ND - 124.0 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
2018-07-1153.0 ppb
2018-07-11ND
2018-07-1112.0 ppb
2018-07-11ND
2018-07-11ND
2018-07-1111.0 ppb
2018-07-11ND
2018-09-11ND
2018-09-11ND
2019-06-05ND
2019-06-05ND
2019-06-06150.0 ppb
2019-08-22126.0 ppb
2019-12-0308987479U6.50 ppb
2019-12-0308987478UND
2019-12-0308987477U44.8 ppb
2019-12-0408987480U99.3 ppb
2019-12-1008987492U30.8 ppb
2019-12-1008987493U0.500 ppb
2019-12-1008987491UND
2019-12-1008987494U7.20 ppb
2020-05-1508987570U2.00 ppb
2020-06-0208987586U139.1 ppb
2020-06-0208987585U5.80 ppb
2020-06-0208987588U30.9 ppb
2020-06-0208987587UND
2020-06-0308987591UND
2020-06-0308987576UND
2020-06-0308987592U1.80 ppb
2020-06-0308987575U37.8 ppb
2020-11-1208987640U0.400 ppb
2022-07-124319025ND
2022-07-12431902410.00 ppb
2022-07-124336653124.0 ppb