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EWG's Tap Water Database — 2021 UPDATE

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Aluminum

U.s.n., San Nicolas Island

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

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND30ND
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
2014-12-025867-001-0345ND
2014-12-025867-002-0405ND
2015-04-285867-001-0620ND
2015-04-285867-002-0615ND
2015-06-165867-002-0545ND
2016-05-035867-001-0630ND
2016-05-035867-002-0630ND
2017-04-185867-001-0530ND
2017-04-185867-002-0530ND
2018-04-035867-001-0545ND
2018-04-035867-002-0530ND
2019-04-095867-001-0425ND
2019-04-095867-002-0500ND