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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Lihue-Kapaa

1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.

MORE ABOUT THIS CONTAMINANT

 

46

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND180ND
2017ND20ND
2018ND210ND
2019ND10ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 7 ppb

The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-14C14-04-0132AND
2014-04-14C14-04-0131AND
2015-12-07C15-12-0019AND
2015-12-07C15-12-0020AND
2016-03-07ND
2016-03-07ND
2016-03-07ND
2016-03-09ND
2016-03-09ND
2016-03-09ND
2016-03-09ND
2016-03-21ND
2016-03-21ND
2016-03-21ND
2016-03-21ND
2016-03-22ND
2016-03-22ND
2016-03-22ND
2016-03-23ND
2016-04-04ND
2016-04-04ND
2016-04-04ND
2017-04-12ND
2017-04-26ND
2018-03-05C18-03-0038AND
2018-03-05C18-03-0037AND
2018-03-05C18-03-0039AND
2018-03-05C18-03-0040AND
2018-03-05C18-03-0009AND
2018-03-05C18-03-0041AND
2018-03-05C18-03-0010AND
2018-03-06C18-03-0036AND
2018-03-06C18-03-0035AND
2018-03-07C18-03-0065AND
2018-03-07C18-03-0067AND
2018-03-07C18-03-0066AND
2018-03-19C18-03-0113AND
2018-03-19C18-03-0112AND
2018-03-19C18-03-0114AND
2018-03-22201803230452ND
2018-04-05201804070189ND
2018-04-11201804160781ND
2018-04-19201804200511ND
2018-07-12201807000000ND
2018-07-12201807130880ND
2019-03-11C19-03-0035AND