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EWG's Tap Water Database — 2019 UPDATE

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Aluminum

City of Kerrville

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

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201215.4 ppb1115.4 ppb
2013ND10ND
2014ND10ND
2015ND10ND
20168.45 ppb61ND - 50.7 ppb
201731.9 ppb82ND - 154.0 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
2012-10-04121022800315.4 ppb
2013-07-29AC25998ND
2014-02-10AC41871ND
2015-01-28AC78082ND
2016-02-01AD20978ND
2016-02-01AD20973ND
2016-04-18AD33309ND
2016-07-05AD42869ND
2016-10-24AD54249ND
2016-10-24AD5425050.7 ppb
2017-02-13AD70299154.0 ppb
2017-04-06AD78702ND
2017-05-08AD82958ND
2017-05-08AD82960ND
2017-05-08AD82959101.0 ppb
2017-05-09AD83256ND
2017-05-09AD83251ND
2017-05-09AD83255ND