Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1-Dichloroethylene

Westbury WD

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

MORE ABOUT THIS CONTAMINANT

 

366

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.381 ppb6624ND - 1.60 ppb
20150.285 ppb3010ND - 1.16 ppb
20160.380 ppb7128ND - 1.60 ppb
20170.408 ppb7434ND - 1.40 ppb
20180.441 ppb6032ND - 1.20 ppb
20190.494 ppb6534ND - 1.50 ppb

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
2014-01-071401144-001-POCS1.40 ppb
2014-01-071401144-002-POCSND
2014-01-131401419-001-POCSND
2014-02-041402046-001-POCS0.900 ppb
2014-02-041402046-008-POCSND
2014-02-041402046-010-POCSND
2014-02-041402046-002-POCSND
2014-02-041402046-009-POCSND
2014-02-041402046-004-POCS0.900 ppb
2014-02-041402046-006-POCS1.000 ppb
2014-02-041402046-003-POCSND
2014-02-041402046-005-POCSND
2014-02-101402370-001-POCSND
2014-03-031403023-001-POCS1.40 ppb
2014-03-031403023-002-POCSND
2014-03-101403536-001-POCSND
2014-04-071404436-002-POCSND
2014-04-071404436-001-POCS0.960 ppb
2014-05-071405463-007-POCS0.510 ppb
2014-05-071405463-003-POCSND
2014-05-071405463-006-POCS0.930 ppb
2014-05-071405463-009-POCSND
2014-05-071405463-002-POCS1.10 ppb
2014-05-071405463-008-POCSND
2014-05-071405463-001-POCS0.620 ppb
2014-05-071405463-005-POCSND
2014-05-071405463-004-POCS0.790 ppb
2014-06-026005-002-POCSND
2014-06-021406005-001-POCS0.580 ppb
2014-06-091406551-001-POCSND
2014-07-071407316-002-POCSND
2014-07-071407316-001-POCS1.20 ppb
2014-07-141407872-001-POCSND
2014-08-051408179-003-POCSND
2014-08-051408179-006-POCSND
2014-08-051408179-004-POCSND
2014-08-051408179-010-POCSND
2014-08-051408179-007-POCS1.40 ppb
2014-08-051408179-005-POCS1.30 ppb
2014-08-051408179-002-POCS1.10 ppb
2014-08-051408179-008-POCSND
2014-08-051408179-001-POCS1.60 ppb
2014-08-051408179-011-POCSND
2014-08-051408179-009-POCS0.690 ppb
2014-08-111408622-001-POCSND
2014-09-021409021-001-POCS1.20 ppb
2014-09-021409021-002-POCSND
2014-09-051409463-001-POCSND
2014-10-061410300-001-POCS1.40 ppb
2014-10-061410300-002-POCSND
2014-10-141410877-001-POCSND
2014-11-041411136-009-POCSND
2014-11-041411136-006-POCSND
2014-11-041411136-008-POCSND
2014-11-041411136-005-POCS0.900 ppb
2014-11-041411136-007-POCS0.870 ppb
2014-11-041411136-001-POCS1.10 ppb
2014-11-04141113-002-POCSND
2014-11-041411136-011-POCSND
2014-11-041411136-004-POCSND
2014-11-041411136-010-POCSND
2014-11-041411136-003-POCSND
2014-11-101411577-001-POCSND
2014-12-011412007-002-POCSND
2014-12-081412524-001-POCSND
2014-12-101412007-001-POCS1.30 ppb
2015-01-051501059-001-POCS1.000 ppb
2015-01-121501524-001-POCSND
2015-02-051502276-001-POCS1.10 ppb
2015-02-051502276-006-POCS0.720 ppb
2015-02-051502276-003-POCSND
2015-02-051502276-002-POCS0.770 ppb
2015-02-051502276-004-POCSND
2015-02-051502276-008-POCSND
2015-02-051502276-007-POCSND
2015-02-051502276-005-POCS0.760 ppb
2015-02-051502276-009-POCSND
2015-02-051502276-010-POCSND
2015-02-091502450-001-POCSND
2015-03-021503010-001-POCSND
2015-03-101503564-001-POCSND
2015-04-061504295-001-POCSND
2015-04-131504854-001-POCSND
2015-05-061505350-005-POCS0.850 ppb
2015-05-061505350-002-POCS0.910 ppb
2015-05-061505350-006-POCS0.730 ppb
2015-05-061505350-008-POCS0.560 ppb
2015-05-061505350-003-POCSND
2015-05-061505350-004-POCSND
2015-05-061505350-009-POCSND
2015-05-061505350-001-POCSND
2015-05-061505350-007-POCSND
2015-05-061505350-010-POCSND
2015-05-121505775-001-POCSND
2015-06-011506010-001-POCS1.16 ppb
2015-06-081506618-001-POCSND
2016-01-041601033-001A-POC1.16 ppb
2016-01-111601546-001-POCND
2016-01-141601033-002A-POCND
2016-02-021602130-006-POC0.700 ppb
2016-02-021602130-009-POCND
2016-02-021602130-002-POC0.700 ppb
2016-02-021602130-003-POCND
2016-02-021602130-008-POCND
2016-02-021602130-004-POC0.800 ppb
2016-02-021602130-001-POC0.960 ppb
2016-02-021602130-007-POCND
2016-02-021602130-005-POCND
2016-02-081602614-001-POCND
2016-03-071603469-002A-POCND
2016-03-071603469-001A-POC1.15 ppb
2016-03-141603A56-001-POCND
2016-04-041604168-002-POCND
2016-04-041604168-001-POC0.720 ppb
2016-04-111604972-001-POCND
2016-05-041605277-010ND
2016-05-041605277-0070.860 ppb
2016-05-041605277-0050.850 ppb
2016-05-041605277-0090.520 ppb
2016-05-041605277-004ND
2016-05-041605277-002ND
2016-05-041605277-003ND
2016-05-041605277-006ND
2016-05-041605277-011ND
2016-05-041605277-008ND
2016-05-041605277-0011.11 ppb
2016-05-091605687-001ND
2016-06-061602130-010-POCND
2016-06-061606436-001-POC0.850 ppb
2016-06-061606436-002-POCND
2016-06-131606C14-001ND
2016-07-051607148-002ND
2016-07-051607148-0011.28 ppb
2016-07-271607N07-001ND
2016-08-031508039-0061.18 ppb
2016-08-031508039-0070.580 ppb
2016-08-081608759-011ND
2016-08-081608579-010ND
2016-08-081608759-007ND
2016-08-081608759-0011.60 ppb
2016-08-081608759-009ND
2016-08-081608759-0021.32 ppb
2016-08-081608759-0061.41 ppb
2016-08-081608759-0080.750 ppb
2016-08-081608759-0041.49 ppb
2016-08-081608759-003ND
2016-08-081608759-0050.560 ppb
2016-08-151608D72-001ND
2016-09-061609215-0011.25 ppb
2016-09-061609215-002ND
2016-09-121609778-001ND
2016-10-03701013002-POCND
2016-10-03701013001-POC1.20 ppb
2016-11-07703828009-POCND
2016-11-07703828007-POC0.540 ppb
2016-11-07703828008-POCND
2016-11-077038280011.10 ppb
2016-11-07703827001-POCND
2016-11-07703828003ND
2016-11-07703828006-POCND
2016-11-077038280020.520 ppb
2016-11-07703828005-POC0.710 ppb
2016-11-07703828004-POCND
2016-11-14704490001ND
2016-12-05705973002-POCND
2016-12-05705973001-POC1.10 ppb
2016-12-12706570001-POCND
2017-01-037080910011.10 ppb
2017-01-03708091002ND
2017-01-09708640001-POCND
2017-02-077010693009-POCND
2017-02-077010693002-POC0.660 ppb
2017-02-077010693003-POCND
2017-02-077010693006-POCND
2017-02-077010693008-POCND
2017-02-077010693001-POC1.40 ppb
2017-02-077010693007-POC0.770 ppb
2017-02-077010693004-POCND
2017-02-077010693005-POC0.900 ppb
2017-02-137011145001-POCND
2017-03-067012656003-POC0.550 ppb
2017-03-067012656002-POC0.880 ppb
2017-03-137013268001ND
2017-03-137013268001--POCND
2017-04-037014693001-POC0.610 ppb
2017-04-037014693002-POCND
2017-04-107015355001-POCND
2017-05-0170137331001-POCS1.10 ppb
2017-05-017017331009-POCSND
2017-05-017017331006-POCS0.940 ppb
2017-05-017017331008-POCS0.810 ppb
2017-05-017017331004-POCSND
2017-05-017017331001-POCS1.10 ppb
2017-05-017017331002-POCSND
2017-05-017017331010-POCSND
2017-05-017017331007-POCSND
2017-05-017017331003-POCSND
2017-05-017017331005-POCSND
2017-05-087018007001ND
2017-05-227019227006-POCND
2017-06-057020308002-POCND
2017-06-057020308001-POC1.20 ppb
2017-06-127021023008-POCSND
2017-07-037023023002-POCS0.540 ppb
2017-07-037023023001-POCS1.10 ppb
2017-07-107023533005ND
2017-08-077026345007-POCSND
2017-08-077026345010-POCSND
2017-08-077026344001-POCND
2017-08-077026345002-POCS0.590 ppb
2017-08-077026345009-POCSND
2017-08-077026345004-POCS0.780 ppb
2017-08-077026345006-POCS0.860 ppb
2017-08-077026345001-POCS1.000 ppb
2017-08-077026345005-POCSND
2017-08-077026345008-POCS1.10 ppb
2017-08-077026345003-POCSND
2017-08-157027244001-POCND
2017-09-057028842001-POC1.10 ppb
2017-09-057028842002-POCND
2017-09-117029449001-POCND
2017-10-027031530003-POC0.780 ppb
2017-10-027031530004-POC0.680 ppb
2017-10-027031530002-POCND
2017-10-027031530001-POC0.710 ppb
2017-10-107032356001-POCND
2017-11-077034982004-POC1.10 ppb
2017-11-077034982002-POC0.620 ppb
2017-11-077034982006-POC0.920 ppb
2017-11-077034982005-POC0.570 ppb
2017-11-077034982001-POC1.10 ppb
2017-11-077034982003-POCND
2017-11-077034982007-POCND
2017-11-077034982009-POCND
2017-11-077034982008-POCND
2017-11-137035532001-POCND
2017-11-137035532002-POC0.620 ppb
2017-12-047037037001-POC1.20 ppb
2017-12-047037037002-POC0.570 ppb
2017-12-047037037004-POC1.10 ppb
2017-12-047037037003-POC1.10 ppb
2018-01-027039417001-POCND
2018-01-127040246001-POCND
2018-02-057041994006ND
2018-02-0570419940040.500 ppb
2018-02-0570419940050.950 ppb
2018-02-0570419940070.670 ppb
2018-02-057041994001ND
2018-02-057041994002ND
2018-02-0570419940031.000 ppb
2018-02-057041994009ND
2018-02-057041994008ND
2018-03-057044396001ND
2018-03-057044396002ND
2018-04-0270468420020.580 ppb
2018-04-027046842001ND
2018-05-0770507250031.10 ppb
2018-05-0770507250020.940 ppb
2018-05-077050725001ND
2018-05-077050725008ND
2018-05-077050725009ND
2018-05-0770507250060.930 ppb
2018-05-0770507250070.930 ppb
2018-05-0770507250040.510 ppb
2018-05-0770507250051.10 ppb
2018-06-0470535250020.540 ppb
2018-06-0470535250010.510 ppb
2018-06-077054443001ND
2018-07-0270568290010.970 ppb
2018-07-0270568290020.610 ppb
2018-07-097057426001-POCND
2018-08-077060609006-POCND
2018-08-077060609007-POCND
2018-08-077060609002-POC0.680 ppb
2018-08-077060609003-POC1.10 ppb
2018-08-077060609001-POC1.20 ppb
2018-08-077060609004-POCND
2018-08-077060609005-POC0.840 ppb
2018-08-137061297001-POC0.850 ppb
2018-09-0470634930020.640 ppb
2018-09-0470634930010.860 ppb
2018-09-107064151001ND
2018-10-017066330001ND
2018-10-01706633000220.630 ppb
2018-10-097067248001ND
2018-11-0670700980061.10 ppb
2018-11-0670700980081.000 ppb
2018-11-067070098004ND
2018-11-0670700980011.000 ppb
2018-11-067070098010ND
2018-11-067070098007ND
2018-11-0670700980020.560 ppb
2018-11-067070098009ND
2018-11-0670700980050.660 ppb
2018-11-067070098003ND
2018-11-1370708230011.10 ppb
2018-11-1370708230020.650 ppb
2018-11-137070823003ND
2018-12-0370726190011.10 ppb
2018-12-0370726190020.630 ppb
2018-12-107073380001ND
2019-01-147076470001ND
2019-01-1770769220010.910 ppb
2019-01-177076920020.550 ppb
2019-02-057078410002ND
2019-02-057078410003ND
2019-02-0570784100010.910 ppb
2019-02-0570784100050.600 ppb
2019-02-057078410009ND
2019-02-057078410007ND
2019-02-0570784100041.20 ppb
2019-02-0570784100080.760 ppb
2019-02-0570784100061.10 ppb
2019-02-057078410010ND
2019-03-047081136001ND
2019-03-0470811360020.610 ppb
2019-03-287083764001ND
2019-04-0170839960011.10 ppb
2019-04-0170839960020.850 ppb
2019-04-087084909001ND
2019-05-0670882500041.50 ppb
2019-05-067088250009ND
2019-05-0670882500050.670 ppb
2019-05-067088250003ND
2019-05-067088250007ND
2019-05-0670882500061.40 ppb
2019-05-067088250010ND
2019-05-0670882500080.920 ppb
2019-05-0670882500011.10 ppb
2019-05-067088250002ND
2019-06-0470919250011.30 ppb
2019-06-0470919250021.000 ppb
2019-06-107092862001ND
2019-06-1170960810011.10 ppb
2019-07-0270960810020.930 ppb
2019-07-087096594001ND
2019-08-15701014690090.820 ppb
2019-08-15701014690051.40 ppb
2019-08-15701014690071.30 ppb
2019-08-15701014690010.970 ppb
2019-08-1570101469003ND
2019-08-1570101469004ND
2019-08-15701014690061.20 ppb
2019-08-1570101469011ND
2019-08-1570101469010ND
2019-08-1570101469002ND
2019-08-1570101469008ND
2019-09-03701034010010.890 ppb
2019-09-0370103401002-POC0.870 ppb
2019-09-0970104129001ND
2019-09-26701064270010.570 ppb
2019-10-07701074680010.520 ppb
2019-10-07701074680020.860 ppb
2019-10-2270109290001ND
2019-11-0470110542003ND
2019-11-0470110542001ND
2019-11-0470110542004ND
2019-11-0470110542008ND
2019-11-0470110542010ND
2019-11-04701105420020.810 ppb
2019-11-0470110542011ND
2019-11-04701105420060.550 ppb
2019-11-04701105420090.760 ppb
2019-11-04701105420071.10 ppb
2019-11-04701105420050.990 ppb
2019-11-1270112280001ND