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EWG's Tap Water Database — 2021 UPDATE

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Aluminum

Clwsc Canyon Lake Shores

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

 

42

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201417.5 ppb42ND - 37.7 ppb
20154.19 ppb91ND - 37.7 ppb
20169.72 ppb91ND - 87.5 ppb
201724.6 ppb42ND - 50.9 ppb
201825.6 ppb82ND - 139.0 ppb
201919.0 ppb81ND - 152.0 ppb

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
2014-02-18AC43299ND
2014-02-18AC4330437.7 ppb
2014-09-03AC6562232.2 ppb
2014-10-08AC69152ND
2015-02-03AC78957ND
2015-02-03AC7895837.7 ppb
2015-02-03AC78955ND
2015-02-03AC78956ND
2015-03-26AC86203ND
2015-03-26AC86208ND
2015-05-13AC91754ND
2015-08-12AD03757ND
2015-12-07AD15630ND
2016-02-03AD21744ND
2016-02-03AD2174587.5 ppb
2016-02-03AD21743ND
2016-03-09AD27818ND
2016-03-09AD27817ND
2016-03-09AD27812ND
2016-03-09AD27815ND
2016-04-27AD34346ND
2016-04-27AD34351ND
2017-01-25AD6671450.9 ppb
2017-06-27AD87882ND
2017-06-27AD87883ND
2017-10-05AD9947947.4 ppb
2018-02-07AE12676ND
2018-02-07AE1267765.5 ppb
2018-05-16AE26509ND
2018-05-16AE26510139.0 ppb
2018-05-17AE26696ND
2018-05-17AE26695ND
2018-05-17AE26694ND
2018-07-26AE34617ND
2019-02-06AE53091ND
2019-04-23AE63300ND
2019-04-23AE63299ND
2019-04-23AE63301152.0 ppb
2019-08-20AE79754ND
2019-10-30AE87913ND
2019-10-30AE87915ND
2019-10-30AE87914ND