Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1-Dichloroethylene

Carle Place Water District

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

MORE ABOUT THIS CONTAMINANT

 

232

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.318 ppb4618ND - 1.30 ppb
20150.216 ppb3911ND - 1.04 ppb
20160.246 ppb4617ND - 0.850 ppb
20170.123 ppb377ND - 0.770 ppb
20180.198 ppb3410ND - 0.770 ppb
20190.309 ppb3012ND - 1.10 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
2014-01-071401152-002-POCS0.900 ppb
2014-01-141401534-002-POCSND
2014-01-211401864-001A-POCND
2014-01-281401B26-001-POCS0.600 ppb
2014-02-041402041-001-POCS1.10 ppb
2014-02-111402459-001-POCSND
2014-02-181402794-001-POCSND
2014-02-251402C87-002-POCS0.710 ppb
2014-03-051403202-002-POCSND
2014-03-111403673-002-POCSND
2014-03-181403C15-001-POCS1.20 ppb
2014-03-251403G87-001-POCS0.620 ppb
2014-04-011404035-001-POCS1.30 ppb
2014-04-081404569-001-POCSND
2014-04-221404F67-001-POCS0.660 ppb
2014-05-131405845-001A-POCND
2014-05-151404B00-001-POCSND
2014-05-201405E02-001AND
2014-05-271405H98-001-POCSND
2014-06-031406145-001-POCS0.700 ppb
2014-06-101406658-001-POCSND
2014-06-171406B95-001A-POCND
2014-06-241406H04-001A-POCND
2014-07-011407017-001A-POC0.820 ppb
2014-07-081407408-001A-POCND
2014-07-151407987-001-POCSND
2014-07-221407E93-001A-POCND
2014-08-051408167-001-POCS1.20 ppb
2014-08-121408705-001A-POCND
2014-08-191408C87-001A-POCND
2014-08-261408I18-001A-POCND
2014-09-021409022-001A-POC0.900 ppb
2014-09-101409736-001A-POCND
2014-09-171409C71-001-POCSND
2014-09-231409H07-001-POCS0.560 ppb
2014-10-071410420-002-POCS0.780 ppb
2014-10-141410864-001-POCSND
2014-10-291410J12-001-POCS0.510 ppb
2014-11-051411222-001-POCS0.740 ppb
2014-11-121411718-001-POCSND
2014-11-181411B72-001-POCSND
2014-11-251411G47-001-POCS0.580 ppb
2014-12-021412107-001-POCS0.730 ppb
2014-12-091412653-001-POCSND
2014-12-161412C28-001-POCSND
2014-12-231412G70-001-POCSND
2015-01-061501251-001-POCS0.650 ppb
2015-01-121501529-002-POCSND
2015-01-201501A80-002-POCSND
2015-01-211501C57-001-POCSND
2015-02-031502065-001-POCS0.700 ppb
2015-02-101502527-001-POCSND
2015-02-181502A52-001ND
2015-03-031503090-0010.650 ppb
2015-03-101503592-001ND
2015-04-071504384-001-POCS0.840 ppb
2015-04-141504956-002ND
2015-04-211504F41-001-POCSND
2015-05-051505224-001-POCS0.700 ppb
2015-05-121505778-001ND
2015-05-191505D23-001ND
2015-05-261505H79-001-POCSND
2015-06-021506106-001-POCS0.870 ppb
2015-06-091506713-001-POCSND
2015-06-161506C53-001-POCSND
2015-06-231506H93-001-POCSND
2015-07-071507334-001-POCSND
2015-07-141507894-002-POCSND
2015-07-211507E42-001-POCSND
2015-07-281507J59-002ND
2015-08-041508148-002-POCSND
2015-08-111508791-002-POCSND
2015-09-081509458-001-POCSND
2015-09-161511042-002-POCS0.760 ppb
2015-09-221509G47-002-POCS0.650 ppb
2015-10-061510382-002-POCS1.04 ppb
2015-10-131510888-002-POCSND
2015-10-201510E75-001-POCSND
2015-10-271510K08-001-POCSND
2015-11-101511730-001-POCSND
2015-11-171511136-002-POCS0.530 ppb
2015-11-171511C83-002-POCSND
2015-12-011512019-002-POCS1.02 ppb
2015-12-081512626-001-POCSND
2015-12-151512C33-0022-POCND
2016-01-051601129-0020.780 ppb
2016-01-051601129-002-POCS0.780 ppb
2016-01-121601652-002-POCSND
2016-01-191601C40-002ND
2016-01-261601G72-0020.620 ppb
2016-02-101602803-001-POCSND
2016-02-161602B17-002-POCSND
2016-02-231602G10-002-POCS0.570 ppb
2016-03-011603010-0020.800 ppb
2016-03-081603578-001ND
2016-03-151603B58-002ND
2016-03-221603H02-0020.650 ppb
2016-04-051604429-0020.720 ppb
2016-04-121604A71-002ND
2016-04-191604H27-0020.580 ppb
2016-04-261604N41-002ND
2016-05-031605152-002ND
2016-05-031605153-0020.850 ppb
2016-05-171605E39-001ND
2016-05-241605L73-002ND
2016-06-081606720-0010.790 ppb
2016-06-141606D20-002ND
2016-06-211606K09-001ND
2016-06-291606S20-002ND
2016-07-051607158-002-POCSND
2016-07-121607847-002-POCSND
2016-07-191607E83-002ND
2016-07-261607L45-0020.610 ppb
2016-08-021608143-002ND
2016-08-091608871-002ND
2016-08-161608E72-002ND
2016-08-231608L58-002A0.590 ppb
2016-09-061609241-0020.780 ppb
2016-09-131609997-002-POCSND
2016-09-131609997-002ND
2016-09-201609G07-002ND
2016-09-271609N123-0010.590 ppb
2016-10-11701631002ND
2016-10-18702260002ND
2016-10-25702831003-POCS0.530 ppb
2016-11-01703349003ND
2016-11-09704078001-POCSND
2016-11-15704511001-POCS0.580 ppb
2016-12-06706057001ND
2016-12-13706671001ND
2016-12-207072610010.500 ppb
2017-01-03708099001ND
2017-01-10708686002ND
2017-01-177091900010.510 ppb
2017-02-077010705001ND
2017-02-147011216001ND
2017-02-217011678001-POCSND
2017-02-217011678001ND
2017-03-077012741001ND
2017-03-137013273001ND
2017-03-217013753001ND
2017-04-047014819002ND
2017-04-117015451003-POCSND
2017-04-187016159002ND
2017-05-027017414001ND
2017-05-097018088001ND
2017-05-1570185860010.760 ppb
2017-06-067020417002-POCSND
2017-06-137021172001-POCSND
2017-06-20702837001-POCSND
2017-07-037023031001-POCSND
2017-07-107023518002-POCSND
2017-07-1870244650010.570 ppb
2017-08-017025766001-POCSND
2017-08-087026448001ND
2017-08-157027184001ND
2017-09-057028825001-POCSND
2017-09-127029624001-POCSND
2017-09-197030352001-POCS0.600 ppb
2017-10-037031683001ND
2017-10-107032362001-POCSND
2017-10-177033087001-POCS0.770 ppb
2017-11-087035129001-POCSND
2017-11-147035629001ND
2017-11-217036261001-POCS0.720 ppb
2017-12-057037196001-POCSND
2017-12-127037873001-POCSND
2017-12-1970385200010.620 ppb
2018-01-027039420002POCSND
2018-01-097039886001-POCSND
2018-01-237041060002-POCS0.650 ppb
2018-02-067042084001-POCSND
2018-02-137042736001-POCSND
2018-02-207043349001-POCS0.610 ppb
2018-03-067044522001-POCSND
2018-03-137045138001-POCSND
2018-03-217045887001-POCSND
2018-04-037046962001ND
2018-04-107047800001ND
2018-04-1770486110010.600 ppb
2018-05-017050010001-POCSND
2018-05-087050960001-POCSND
2018-05-157051696001-POCS0.610 ppb
2018-06-057053650001-POCSND
2018-06-127054595001-POCSND
2018-07-037057062001-POCSND
2018-07-107057626001-POCSND
2018-07-177058459002-POCS0.690 ppb
2018-08-077060608001-POCSND
2018-08-147061441003-POCSND
2018-08-217062236001-POCS0.660 ppb
2018-09-047063515001-POCSND
2018-09-107064182001-POCSND
2018-09-187065171001-POCS0.670 ppb
2018-10-027066551001-POCSND
2018-10-097067228002-POCSND
2018-10-1670680400020.770 ppb
2018-11-057069972001-POCSND
2018-11-137070806001-POCSND
2018-11-207071627001-POCS0.760 ppb
2018-12-117073531001-POCSND
2018-12-187074235001-POCS0.720 ppb
2019-01-027075227001ND
2019-01-087075823001ND
2019-01-1570765890010.690 ppb
2019-02-057078455001-POCSND
2019-02-197079967001-POCS0.610 ppb
2019-03-057081236001ND
2019-03-1270820340010.560 ppb
2019-04-027084246001-POCSND
2019-04-097085097002-POCS0.800 ppb
2019-05-147089369001-POCSND
2019-05-227090411001-POCS0.850 ppb
2019-06-047091918001ND
2019-06-117093100001-POCS0.920 ppb
2019-07-0270960870010.890 ppb
2019-07-097096701002ND
2019-07-237098510003-POCSND
2019-08-0670100128001-POCSND
2019-08-2070102065001-POCS0.880 ppb
2019-09-0370103425001ND
2019-09-1070104362001-POCSND
2019-09-1770105237001-POCS0.530 ppb
2019-10-0270106988001-POCSND
2019-10-0870107642002ND
2019-10-1570108487001-POCS1.10 ppb
2019-11-0470110526001ND
2019-11-1270111430001ND
2019-11-19701123300010.640 ppb
2019-12-0370113806001ND
2019-12-1070114748001ND
2019-12-17701157280010.800 ppb