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EWG's Tap Water Database — 2021 UPDATE

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Aluminum

Lafayette Utilities Water System

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

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND20ND
2015ND40ND
2016N/A00N/A
20175.00 ppb42ND - 10.00 ppb
20183.00 ppb206ND - 10.00 ppb
2019ND140ND

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
2014-11-03AD99266ND
2014-11-03AD99266ND
2015-02-2335176705001ND
2015-02-2335176705001ND
2015-06-0835192506001ND
2015-06-0835192506001ND
2017-09-25AE18498ND
2017-09-25AE18498ND
2017-11-27AE2005110.00 ppb
2017-11-27AE2005110.00 ppb
2018-03-05AE2085510.00 ppb
2018-03-05AE2085510.00 ppb
2018-03-05AE20858ND
2018-03-05AE2086110.00 ppb
2018-03-05AE20864ND
2018-03-05AE20867ND
2018-03-05AE20858ND
2018-03-05AE2086110.00 ppb
2018-03-05AE20864ND
2018-03-05AE20867ND
2018-04-30AE21621ND
2018-04-30AE21621ND
2018-05-14AE21747ND
2018-05-14AE21747ND
2018-06-18AE2191810.00 ppb
2018-06-18AE2191810.00 ppb
2018-06-19AE21921ND
2018-06-19AE21924ND
2018-06-19AE21921ND
2018-06-19AE21924ND
2019-01-14B1900254-001ND
2019-01-14B1900254-002ND
2019-01-14B1900254-001ND
2019-01-14B1900254-002ND
2019-08-12B1903460-001ND
2019-08-12B1903460-005ND
2019-08-12B1903460-004ND
2019-08-12B1903460-003ND
2019-08-12B1903460-002ND
2019-08-12B1903460-001ND
2019-08-12B1903460-005ND
2019-08-12B1903460-004ND
2019-08-12B1903460-003ND
2019-08-12B1903460-002ND