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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethane

Westbury WD

1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.

MORE ABOUT THIS CONTAMINANT

 

386

Samples

0

Samples exceeding legal limit (MCL)

24

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.690 ppb108ND - 1.30 ppb
20140.836 ppb7635ND - 3.30 ppb
20150.734 ppb3011ND - 3.14 ppb
20161.08 ppb7140ND - 4.24 ppb
20171.04 ppb7442ND - 3.30 ppb
20181.03 ppb6037ND - 3.70 ppb
20191.21 ppb6539ND - 4.60 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 3 ppb

The EWG Health Guideline of 3 ppb for 1,1-dichloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2013-10-0108497 RESAMPLE S1.10 ppb
2013-10-0108007 RESAMPLE S0.0320 ppb
2013-10-0113192 RESAMPLE SND
2013-10-0105007 RESAMPLE S0.870 ppb
2013-10-0102602 RESAMPLE SND
2013-10-0105654 RESAMPLE S0.230 ppb
2013-10-0107353 RESAMPLE S0.970 ppb
2013-11-2000101 - RESAMPLE1.20 ppb
2013-11-2010451 - RESAMPLE1.20 ppb
2013-11-2007785 - RESAMPLE1.30 ppb
2014-01-071401144-001-POCS3.10 ppb
2014-01-071401144-002-POCSND
2014-01-131401419-001-POCSND
2014-01-30UCMR3 084970.360 ppb
2014-01-30UCMR3 131920.500 ppb
2014-01-30UCMR3 10451ND
2014-01-30UCMR3 050070.840 ppb
2014-01-30UCMR3 02602ND
2014-01-30UCMR3 073531.30 ppb
2014-01-30UCMR3 07785ND
2014-01-30UCMR3 056540.490 ppb
2014-02-041402046-001-POCS2.40 ppb
2014-02-041402046-008-POCS1.10 ppb
2014-02-041402046-010-POCSND
2014-02-041402046-002-POCS3.20 ppb
2014-02-041402046-009-POCSND
2014-02-041402046-004-POCS1.10 ppb
2014-02-041402046-006-POCS2.50 ppb
2014-02-041402046-003-POCSND
2014-02-041402046-005-POCSND
2014-02-101402370-001-POCSND
2014-03-031403023-001-POCS2.70 ppb
2014-03-031403023-002-POCSND
2014-03-101403536-001-POCSND
2014-03-30UCMR3 00101ND
2014-04-071404436-002-POCSND
2014-04-071404436-001-POCS2.10 ppb
2014-05-071405463-007-POCS1.20 ppb
2014-05-071405463-003-POCSND
2014-05-071405463-006-POCS2.50 ppb
2014-05-071405463-009-POCSND
2014-05-071405463-002-POCS3.30 ppb
2014-05-071405463-008-POCSND
2014-05-071405463-001-POCS1.50 ppb
2014-05-071405463-005-POCSND
2014-05-071405463-004-POCS0.900 ppb
2014-06-026005-002-POCS0.500 ppb
2014-06-021406005-001-POCS1.50 ppb
2014-06-091406551-001-POCSND
2014-07-071407316-002-POCSND
2014-07-071407316-001-POCS3.10 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-POCS2.60 ppb
2014-08-051408179-005-POCS1.10 ppb
2014-08-051408179-002-POCS2.30 ppb
2014-08-051408179-008-POCSND
2014-08-051408179-001-POCS2.40 ppb
2014-08-051408179-011-POCSND
2014-08-051408179-009-POCS1.60 ppb
2014-08-111408622-001-POCSND
2014-08-2108007 082014ND
2014-09-021409021-001-POCS3.10 ppb
2014-09-021409021-002-POCS0.540 ppb
2014-09-051409463-001-POCSND
2014-10-061410300-001-POCS2.70 ppb
2014-10-061410300-002-POCSND
2014-10-141410877-001-POCSND
2014-11-041411136-009-POCS1.20 ppb
2014-11-041411136-006-POCSND
2014-11-041411136-008-POCSND
2014-11-041411136-005-POCS1.10 ppb
2014-11-041411136-007-POCS2.10 ppb
2014-11-041411136-001-POCS2.70 ppb
2014-11-04141113-002-POCS1.40 ppb
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-POCS2.50 ppb
2015-01-051501059-001-POCS2.70 ppb
2015-01-121501524-001-POCSND
2015-02-051502276-001-POCS2.10 ppb
2015-02-051502276-006-POCS1.90 ppb
2015-02-051502276-003-POCSND
2015-02-051502276-002-POCS1.90 ppb
2015-02-051502276-004-POCSND
2015-02-051502276-008-POCS0.940 ppb
2015-02-051502276-007-POCSND
2015-02-051502276-005-POCS0.860 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-POCS1.21 ppb
2015-05-061505350-002-POCS3.14 ppb
2015-05-061505350-006-POCS2.65 ppb
2015-05-061505350-008-POCS1.73 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-POCS2.90 ppb
2015-06-081506618-001-POCSND
2016-01-041601033-001A-POC2.80 ppb
2016-01-111601546-001-POCND
2016-01-141601033-002A-POC0.550 ppb
2016-02-021602130-003-POCND
2016-02-021602130-006-POC2.19 ppb
2016-02-021602130-001-POC2.38 ppb
2016-02-021602130-005-POC0.590 ppb
2016-02-021602130-009-POCND
2016-02-021602130-004-POC1.17 ppb
2016-02-021602130-007-POCND
2016-02-021602130-008-POC1.32 ppb
2016-02-021602130-002-POC2.29 ppb
2016-02-081602614-001-POCND
2016-03-071603469-002A-POC0.640 ppb
2016-03-071603469-001A-POC2.71 ppb
2016-03-141603A56-001-POCND
2016-04-041604168-001-POC1.89 ppb
2016-04-041604168-002-POC0.700 ppb
2016-04-111604972-001-POCND
2016-05-041605277-008ND
2016-05-041605277-003ND
2016-05-041605277-0012.70 ppb
2016-05-041605277-004ND
2016-05-041605277-0021.91 ppb
2016-05-041605277-011ND
2016-05-041605277-0091.31 ppb
2016-05-041605277-010ND
2016-05-041605277-0072.66 ppb
2016-05-041605277-0060.660 ppb
2016-05-041605277-0051.24 ppb
2016-05-091605687-001ND
2016-06-061602130-010-POCND
2016-06-061606436-002-POCND
2016-06-061606436-001-POC1.98 ppb
2016-06-131606C14-001ND
2016-07-051607148-0020.740 ppb
2016-07-051607148-0013.53 ppb
2016-07-271607N07-001ND
2016-08-031508039-0063.19 ppb
2016-08-031508039-0071.38 ppb
2016-08-081608759-009ND
2016-08-081608759-011ND
2016-08-081608579-010ND
2016-08-081608759-003ND
2016-08-081608759-0013.38 ppb
2016-08-081608759-0050.860 ppb
2016-08-081608759-0041.63 ppb
2016-08-081608759-0063.75 ppb
2016-08-081608759-007ND
2016-08-081608759-0081.64 ppb
2016-08-081608759-0024.24 ppb
2016-08-151608D72-001ND
2016-09-061609215-0020.730 ppb
2016-09-061609215-0013.00 ppb
2016-09-121609778-001ND
2016-10-03701013002-POC0.750 ppb
2016-10-03701013001-POC3.00 ppb
2016-11-07703827001-POCND
2016-11-07703828005-POC2.50 ppb
2016-11-07703828008-POCND
2016-11-07703828006-POCND
2016-11-07703828003ND
2016-11-07703828007-POC1.40 ppb
2016-11-077038280012.80 ppb
2016-11-077038280022.40 ppb
2016-11-07703828009-POCND
2016-11-07703828004-POC0.640 ppb
2016-11-14704490001ND
2016-12-05705973001-POC2.50 ppb
2016-12-05705973002-POC0.590 ppb
2016-12-12706570001-POCND
2017-01-037080910012.70 ppb
2017-01-037080910020.610 ppb
2017-01-09708640001-POCND
2017-02-077010693005-POC3.00 ppb
2017-02-077010693003-POCND
2017-02-077010693001-POC3.20 ppb
2017-02-077010693009-POCND
2017-02-077010693004-POC0.810 ppb
2017-02-077010693006-POCND
2017-02-077010693007-POC1.70 ppb
2017-02-077010693002-POC3.20 ppb
2017-02-077010693008-POCND
2017-02-137011145001-POCND
2017-03-067012656003-POC0.910 ppb
2017-03-067012656002-POC2.70 ppb
2017-03-137013268001ND
2017-03-137013268001--POCND
2017-04-037014693001-POC2.20 ppb
2017-04-037014693002-POC0.690 ppb
2017-04-107015355001-POCND
2017-05-017017331002-POCS2.20 ppb
2017-05-0170137331001-POCS2.60 ppb
2017-05-017017331008-POCS1.90 ppb
2017-05-017017331009-POCSND
2017-05-017017331006-POCS2.90 ppb
2017-05-017017331007-POCSND
2017-05-017017331010-POCSND
2017-05-017017331004-POCSND
2017-05-017017331001-POCS2.60 ppb
2017-05-017017331005-POCS0.710 ppb
2017-05-017017331003-POCSND
2017-05-087018007001ND
2017-05-227019227006-POCND
2017-06-057020308001-POC3.10 ppb
2017-06-057020308002-POC0.800 ppb
2017-06-127021023008-POCSND
2017-07-037023023002-POCS0.850 ppb
2017-07-037023023001-POCS2.90 ppb
2017-07-107023533005ND
2017-08-077026344001-POCND
2017-08-077026345010-POCSND
2017-08-077026345008-POCS0.540 ppb
2017-08-077026345001-POCS2.00 ppb
2017-08-077026345002-POCS2.10 ppb
2017-08-077026345005-POCS0.540 ppb
2017-08-077026345004-POCS0.900 ppb
2017-08-077026345007-POCSND
2017-08-077026345006-POCS0.900 ppb
2017-08-077026345009-POCSND
2017-08-077026345003-POCSND
2017-08-157027244001-POCND
2017-09-057028842001-POC2.90 ppb
2017-09-057028842002-POC0.850 ppb
2017-09-117029449001-POCND
2017-10-027031530001-POC1.60 ppb
2017-10-027031530003-POC0.780 ppb
2017-10-027031530004-POC1.80 ppb
2017-10-027031530002-POCND
2017-10-107032356001-POCND
2017-11-077034982009-POCND
2017-11-077034982008-POCND
2017-11-077034982007-POCND
2017-11-077034982004-POC1.40 ppb
2017-11-077034982006-POC3.30 ppb
2017-11-077034982003-POCND
2017-11-077034982002-POC2.70 ppb
2017-11-077034982001-POC2.80 ppb
2017-11-077034982005-POC0.980 ppb
2017-11-137035532001-POCND
2017-11-137035532002-POC1.40 ppb
2017-12-047037037002-POC0.770 ppb
2017-12-047037037004-POC2.90 ppb
2017-12-047037037001-POC2.40 ppb
2017-12-047037037003-POC1.10 ppb
2018-01-027039417001-POC0.820 ppb
2018-01-127040246001-POCND
2018-02-0570419940052.90 ppb
2018-02-0570419940040.810 ppb
2018-02-057041994009ND
2018-02-057041994001ND
2018-02-057041994002ND
2018-02-0570419940031.30 ppb
2018-02-057041994006ND
2018-02-0570419940071.50 ppb
2018-02-057041994008ND
2018-03-0570443960020.760 ppb
2018-03-0570443960010.580 ppb
2018-04-0270468420020.820 ppb
2018-04-0270468420010.560 ppb
2018-05-0770507250053.10 ppb
2018-05-0770507250040.810 ppb
2018-05-077050725008ND
2018-05-0770507250023.70 ppb
2018-05-077050725009ND
2018-05-0770507250031.20 ppb
2018-05-0770507250010.730 ppb
2018-05-0770507250071.90 ppb
2018-05-0770507250061.90 ppb
2018-06-0470535250020.860 ppb
2018-06-0470535250011.50 ppb
2018-06-077054443001ND
2018-07-0270568290012.70 ppb
2018-07-0270568290020.910 ppb
2018-07-097057426001-POCND
2018-08-077060609001-POC1.50 ppb
2018-08-077060609002-POC1.10 ppb
2018-08-077060609007-POCND
2018-08-077060609006-POCND
2018-08-077060609003-POC3.20 ppb
2018-08-077060609004-POCND
2018-08-077060609005-POC1.60 ppb
2018-08-137061297001-POC2.30 ppb
2018-09-0470634930021.10 ppb
2018-09-0470634930012.30 ppb
2018-09-107064151001ND
2018-10-017066330001ND
2018-10-01706633000220.990 ppb
2018-10-097067248001ND
2018-11-067070098009ND
2018-11-0670700980063.00 ppb
2018-11-067070098010ND
2018-11-0670700980022.30 ppb
2018-11-067070098007ND
2018-11-0670700980012.30 ppb
2018-11-0670700980050.950 ppb
2018-11-067070098003ND
2018-11-067070098004ND
2018-11-0670700980081.70 ppb
2018-11-1370708230022.50 ppb
2018-11-137070823003ND
2018-11-1370708230012.30 ppb
2018-12-0370726190020.990 ppb
2018-12-0370726190012.50 ppb
2018-12-107073380001ND
2019-01-147076470001ND
2019-01-177076920020.950 ppb
2019-01-1770769220012.30 ppb
2019-02-0570784100041.50 ppb
2019-02-0570784100012.50 ppb
2019-02-0570784100022.60 ppb
2019-02-057078410009ND
2019-02-057078410007ND
2019-02-0570784100081.60 ppb
2019-02-057078410010ND
2019-02-0570784100063.80 ppb
2019-02-057078410003ND
2019-02-0570784100050.970 ppb
2019-03-0470811360010.740 ppb
2019-03-0470811360020.910 ppb
2019-03-287083764001ND
2019-04-0170839960012.40 ppb
2019-04-0170839960020.950 ppb
2019-04-087084909001ND
2019-05-067088250007ND
2019-05-067088250003ND
2019-05-067088250009ND
2019-05-0670882500022.30 ppb
2019-05-067088250010ND
2019-05-0670882500051.10 ppb
2019-05-0670882500041.70 ppb
2019-05-0670882500064.30 ppb
2019-05-0670882500081.50 ppb
2019-05-0670882500012.80 ppb
2019-06-0470919250021.10 ppb
2019-06-0470919250013.00 ppb
2019-06-107092862001ND
2019-06-1170960810013.40 ppb
2019-07-0270960810021.60 ppb
2019-07-087096594001ND
2019-08-1570101469010ND
2019-08-1570101469011ND
2019-08-1570101469003ND
2019-08-15701014690012.50 ppb
2019-08-15701014690051.60 ppb
2019-08-15701014690091.20 ppb
2019-08-1570101469008ND
2019-08-15701014690074.10 ppb
2019-08-1570101469004ND
2019-08-15701014690061.20 ppb
2019-08-15701014690022.00 ppb
2019-09-0370103401002-POC1.30 ppb
2019-09-03701034010012.80 ppb
2019-09-0970104129001ND
2019-09-26701064270010.920 ppb
2019-10-07701074680021.20 ppb
2019-10-07701074680012.30 ppb
2019-10-2270109290001ND
2019-11-0470110542011ND
2019-11-04701105420011.90 ppb
2019-11-04701105420051.50 ppb
2019-11-04701105420091.20 ppb
2019-11-04701105420024.60 ppb
2019-11-0470110542003ND
2019-11-04701105420060.900 ppb
2019-11-0470110542004ND
2019-11-0470110542010ND
2019-11-0470110542008ND
2019-11-04701105420073.30 ppb
2019-11-1270112280001ND