Know Your Environment. Protect Your Health.

Manganese

Tempe Water Supply Corporation 1

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018151.0 ppb22118.0 ppb - 184.0 ppb
20191.000 ppb111.000 ppb
202034.1 ppb1134.1 ppb
202166.4 ppb32ND - 180.0 ppb
20224.90 ppb114.90 ppb
202331.5 ppb1131.5 ppb

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
2018-02-13AE13488118.0 ppb
2018-02-13AE13490184.0 ppb
2019-02-26AE558671.000 ppb
2020-02-12AE9806934.1 ppb
2021-01-27AF41263180.0 ppb
2021-01-27AF4126519.3 ppb
2021-09-07C1I1900-01ND
2022-02-09AF839254.90 ppb
2023-02-16AG2924731.5 ppb