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EWG's Tap Water Database — 2019 UPDATE

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1,1-Dichloroethylene

Cal-am Water Company - Duarte

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

 

82

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND120ND
2013ND190ND
2014ND140ND
2015ND140ND
2016ND150ND
2017ND80ND

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
2012-03-159588-004-1045ND
2012-03-299588-019-1110ND
2012-08-081225-019-1150ND
2012-09-189588-010-1145ND
2012-09-189588-007-1310ND
2012-09-189588-008-1215ND
2012-09-189588-002-1200ND
2012-09-189588-003-1245ND
2012-09-189588-019-1325ND
2012-09-261225-019-0840ND
2012-12-049588-019-1115ND
2012-12-049588-009-1225ND
2013-02-041225-019-0905ND
2013-03-069588-004-1105ND
2013-07-311225-019-1150ND
2013-09-109588-003-1215ND
2013-09-109588-010-1420ND
2013-09-109588-007-1200ND
2013-09-109588-002-1400ND
2013-09-109588-008-1335ND
2013-09-181225-003-1010ND
2013-09-181225-007-0950ND
2013-09-181225-004-1045ND
2013-09-181225-019-0850ND
2013-09-181225-009-1025ND
2013-09-181225-010-1150ND
2013-10-091225-008-1020ND
2013-10-091225-002-1055ND
2013-12-049588-019-1000ND
2013-12-049588-009-1105ND
2013-12-181225-019-1120ND
2014-03-109588-004-1140ND
2014-06-231225-007-1040ND
2014-06-231225-008-1235ND
2014-06-231225-003-1110ND
2014-06-231225-009-1135ND
2014-06-231225-002-1300ND
2014-06-231225-010-1330ND
2014-09-039588-007-1240ND
2014-09-039588-003-1215ND
2014-09-039588-008-1120ND
2014-09-039588-002-1055ND
2014-09-039588-010-1225ND
2014-12-039588-009-1100ND
2014-12-039588-019-1020ND
2015-09-089588-002-1200ND
2015-09-089588-008-1120ND
2015-09-089588-007-1215ND
2015-09-089588-003-1140ND
2015-09-089588-010-1110ND
2015-09-281225-003-1050ND
2015-09-281225-007-1200ND
2015-09-281225-008-1330ND
2015-09-281225-009-1345ND
2015-09-281225-010-0945ND
2015-10-141225-019-0945ND
2015-10-141225-002-1205ND
2015-12-079588-009-1130ND
2015-12-079588-019-1040ND
2016-06-201225-010-1135ND
2016-06-201225-008-1145ND
2016-06-201225-019-1115ND
2016-07-201225-003-1000ND
2016-07-201225-009-1030ND
2016-07-201225-002-1110ND
2016-07-201225-007-0930ND
2016-09-079588-002-1330ND
2016-09-079588-008-1345ND
2016-09-079588-003-1305ND
2016-09-079588-007-1245ND
2016-09-079588-010-1315ND
2016-09-121225-019-0850ND
2016-12-059588-009-1135ND
2016-12-059588-019-1105ND
2017-07-251225-009-1210ND
2017-09-209588-007-1100ND
2017-09-209588-008-1125ND
2017-09-209588-002-1150ND
2017-09-209588-010-1210ND
2017-09-289588-003-0905ND
2017-12-059588-019-1000ND
2017-12-059588-009-1030ND