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EWG's Tap Water Database — 2021 UPDATE

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1,3-Butadiene

City of Los Banos

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND260ND
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
2015-03-11A5B1768-07AND
2015-03-11A5B1764-01AND
2015-03-11A5B1764-04AND
2015-03-11A5B1760-07AND
2015-03-11A5B1768-01AND
2015-03-11A5B1768-04AND
2015-03-11A5B1766-07AND
2015-03-11A5B1760-04AND
2015-03-11A5B1760-01AND
2015-03-11A5B1766-01AND
2015-03-11A5B1764-07AND
2015-03-11A5B1760-10AND
2015-03-11A5B1766-04AND
2015-09-09A5H2589-07AND
2015-09-09A5H2587-01AND
2015-09-09A5H2586-04AND
2015-09-09A5H2587-04AND
2015-09-09A5H2586-10AND
2015-09-09A5H2590-01AND
2015-09-09A5H2586-07AND
2015-09-09A5H2590-04AND
2015-09-09A5H2589-04AND
2015-09-09A5H2586-01AND
2015-09-09A5H2590-07AND
2015-09-09A5H2587-07AND
2015-09-09A5H2589-01AND