Know Your Environment. Protect Your Health.

Aluminum

City of Tacoma

Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201812.2 ppb1112.2 ppb
2019ND10ND
2020N/A00N/A
2021ND60ND
20221.75 ppb81ND - 14.0 ppb
2023ND30ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 600 ppb

The EWG Health Guideline of 600 ppb for aluminum was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the brain and nervous system.

ppb = parts per billion

All test results

Date Lab ID Result
2018-10-1812.2 ppb
2019-12-05ND
2021-06-214136297ND
2021-06-214136300ND
2021-06-214136298ND
2021-06-214136296ND
2021-06-304143413ND
2021-07-214159325ND
2022-09-154371197ND
2022-10-11437188914.0 ppb
2022-11-154384533ND
2022-12-274400688ND
2022-12-274400688ND
2022-12-274400688ND
2022-12-274400688ND
2022-12-274400688ND
2023-07-124499687ND
2023-07-124499689ND
2023-10-204549137ND