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EWG's Tap Water Database — 2021 UPDATE

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1,3-Butadiene

San Jose Water Company

MORE ABOUT THIS CONTAMINANT

 

43

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND210ND
2014ND210ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.0103 ppb

The EWG Health Guideline of 0.0103 ppb for 1,3-butadiene was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2013-08-052872053ND
2013-08-052872019ND
2013-08-052872002ND
2013-08-052871986ND
2013-08-052872079ND
2013-08-122877914ND
2013-08-192882261ND
2013-08-192883561ND
2013-08-192882214ND
2013-08-192883572ND
2013-08-192882285ND
2013-08-262887288ND
2013-08-262886361ND
2013-08-262886350ND
2013-08-262887322ND
2013-08-262886329ND
2013-08-272886940ND
2013-11-062927655ND
2013-11-062927620ND
2013-11-062927609ND
2013-11-062927631ND
2014-02-052970791ND
2014-02-072970644ND
2014-02-072970670ND
2014-02-072970693ND
2014-02-072970710ND
2014-02-072970770ND
2014-02-072970746ND
2014-02-072970726ND
2014-02-102973555ND
2014-02-102973465ND
2014-02-102973510ND
2014-02-102973315ND
2014-02-102973365ND
2014-02-102973546ND
2014-02-102973490ND
2014-03-132992690ND
2014-03-182994504ND
2014-05-053020640ND
2014-05-053020655ND
2014-05-093025984ND
2014-06-023037133ND
2015-02-113189329ND