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EWG's Tap Water Database — 2021 UPDATE

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Aluminum

City of Houston Willow Chase

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

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2015-05-29AC93834ND
2015-05-29AC93836ND
2016-03-03AD26832ND
2016-03-03AD26831ND
2017-05-31AD86072ND
2017-05-31AD86071ND
2018-04-11AE21978ND
2018-04-11AE21977ND
2019-02-28AE56471ND
2019-02-28AE56472ND