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EWG's Tap Water Database — 2019 UPDATE

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1,3-Butadiene

Lafayette

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014N/A00N/A
2015ND120ND
2016N/A00N/A
2017N/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
2015-03-163206839ND
2015-03-163206861ND
2015-03-173208194ND
2015-06-093258220ND
2015-06-113260394ND
2015-06-153262291ND
2015-09-013313029ND
2015-09-013313007ND
2015-09-023314395ND
2015-12-073370089ND
2015-12-073370075ND
2015-12-093372177ND