Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

1,3-Butadiene

Golden State Water Company (GSWC) - San Dimas

 

16

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
2015ND160ND
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
2015-01-215A21031-11AND
2015-01-215A21031-09AND
2015-01-215A21031-03AND
2015-01-215A21031-05AND
2015-01-215A21031-01AND
2015-01-215A21031-07AND
2015-04-175D17033-03AND
2015-04-175D17033-01AND
2015-07-215G21057-09AND
2015-07-215G21057-11AND
2015-07-215G21057-03AND
2015-07-215G21057-05AND
2015-07-215G21057-01AND
2015-07-215G21057-07AND
2015-10-205J21034-03AND
2015-10-205J21034-01AND