Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Hexachlorobutadiene

Harwich Water Department

Hexachlorobutadiene is an industrial chemical and possible human carcinogen.

MORE ABOUT THIS CONTAMINANT

 

100

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND140ND
2015ND140ND
2016ND140ND
2017ND220ND
2018ND210ND
2019ND150ND

ppb = parts per billion

All test results

Date Result
2014-02-27ND
2014-02-27ND
2014-02-27ND
2014-02-27ND
2014-02-27ND
2014-02-27ND
2014-03-05ND
2014-03-06ND
2014-03-06ND
2014-03-06ND
2014-03-06ND
2014-03-06ND
2014-03-06ND
2014-03-06ND
2015-02-25ND
2015-02-25ND
2015-02-25ND
2015-02-25ND
2015-02-25ND
2015-02-25ND
2015-02-26ND
2015-02-26ND
2015-02-26ND
2015-02-26ND
2015-02-26ND
2015-02-26ND
2015-02-26ND
2015-03-13ND
2016-02-29ND
2016-02-29ND
2016-02-29ND
2016-02-29ND
2016-02-29ND
2016-03-02ND
2016-03-02ND
2016-03-02ND
2016-03-02ND
2016-03-02ND
2016-03-02ND
2016-03-02ND
2016-03-23ND
2016-03-23ND
2017-02-28ND
2017-02-28ND
2017-03-09ND
2017-03-09ND
2017-03-09ND
2017-03-09ND
2017-03-09ND
2017-03-09ND
2017-03-09ND
2017-03-09ND
2017-03-09ND
2017-03-09ND
2017-03-09ND
2017-03-09ND
2017-05-17ND
2017-05-17ND
2017-06-07ND
2017-08-09ND
2017-08-09ND
2017-12-20ND
2017-12-21ND
2017-12-21ND
2018-03-08ND
2018-03-08ND
2018-03-08ND
2018-03-08ND
2018-03-08ND
2018-03-08ND
2018-03-08ND
2018-03-08ND
2018-03-08ND
2018-03-08ND
2018-03-08ND
2018-03-08ND
2018-05-16ND
2018-05-16ND
2018-05-16ND
2018-08-15ND
2018-08-15ND
2018-08-22ND
2018-12-10ND
2018-12-10ND
2018-12-10ND
2019-03-06ND
2019-03-06ND
2019-03-06ND
2019-03-06ND
2019-03-07ND
2019-03-07ND
2019-06-19ND
2019-06-19ND
2019-06-19ND
2019-08-15ND
2019-08-15ND
2019-08-15ND
2019-12-04ND
2019-12-04ND
2019-12-04ND