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EWG's Tap Water Database — 2021 UPDATE

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1,3-Butadiene

Hartford Waterworks

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND50ND
2014ND50ND
2015N/A00N/A
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
2013-11-18759063-10298ND
2013-11-18759061-10298ND
2013-11-18759069-10298ND
2013-11-18759065-10298ND
2013-11-18759067-10298ND
2014-05-14785739-11363ND
2014-05-14785747-11363ND
2014-05-14785743-11363ND
2014-05-14785745-11363ND
2014-05-14785741-11363ND