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EWG's Tap Water Database — 2019 UPDATE

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Aluminum

Golden State Water Company (GSWC) - San Dimas

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
2012ND10ND
2013ND80ND
2014ND10ND
2015ND10ND
201624.0 ppb51ND - 120.0 ppb
2017ND30ND

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
2012-08-159588-014-0945ND
2013-02-209588-017-0955ND
2013-03-112706-039-1403ND
2013-04-092706-039-1312ND
2013-05-149588-005-0940ND
2013-05-149588-004-1005ND
2013-05-149588-003-1025ND
2013-06-279588-013-0945ND
2013-11-149588-051-0920ND
2014-02-192706-017-0942ND
2015-09-119588-014-0905ND
2016-03-039588-017-0815ND
2016-05-129588-005-1110120.0 ppb
2016-05-129588-004-1100ND
2016-05-129588-003-0910ND
2016-09-149588-013-0900ND
2017-01-059588-051-0800ND
2017-01-119590-051-0905ND
2017-02-239590-017-1050ND