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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

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1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.

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456

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0825 ppb887ND - 1.50 ppb
20150.237 ppb679ND - 2.11 ppb
20160.293 ppb8013ND - 2.30 ppb
20170.459 ppb869ND - 8.80 ppb
20180.144 ppb663ND - 4.30 ppb
20190.0230 ppb692ND - 0.920 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 70 ppb

The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-071401138-002-POCSND
2014-01-081401236-003-POCSND
2014-01-08140123-003-POCSND
2014-01-131401426-007-POCSND
2014-01-131401426-006-POCSND
2014-01-211401879-003-POCSND
2014-02-031402004-002-POCSND
2014-02-041402034-003-POCSND
2014-02-101402372-003-POCSND
2014-02-111402455-001-POCS0.600 ppb
2014-02-271402F41-005-POCSND
2014-02-271402F41-004-POCSND
2014-03-031403014-002-POCSND
2014-03-041403096-003-POCSND
2014-03-101403566-003-POCSND
2014-03-181403C16-001-POCSND
2014-03-191403D40-005-POCSND
2014-03-191403D40-004-POCSND
2014-04-011404032-003-POCSND
2014-04-031404265-002-POCSND
2014-04-071404438-001-POCSND
2014-04-141404979-005-POCSND
2014-04-141404979-004-POCSND
2014-04-161404C04-003-POCSND
2014-05-011405011-002-POCSND
2014-05-021405136-004-POCSND
2014-05-021405136-002-POCSND
2014-05-021405136-005-POCSND
2014-05-021405136-006-POCSND
2014-05-021405136-003-POCSND
2014-05-021405136-007-POCSND
2014-05-051405184-004-POCSND
2014-05-051405184-005-POCSND
2014-05-121405744-003-POCSND
2014-05-121405773-003-POCSND
2014-06-021406009-002-POCSND
2014-06-031406123-004-POCSND
2014-06-031406123-005-POCSND
2014-06-041406340-004-POCSND
2014-06-041406340-002-POCSND
2014-06-091406553-003-POCSND
2014-06-171406B86-003-POCSND
2014-06-241406G86-002-POCSND
2014-06-241406H58-001-POCS0.730 ppb
2014-07-011407007-002-POCSND
2014-07-011407006-001-POCS0.900 ppb
2014-07-071407321-003-POCSND
2014-07-091407553-003-POCSND
2014-07-211407E05-004-POCSND
2014-07-211407E05-005-POCSND
2014-07-291407K19-002-POCSND
2014-08-051408163-002-POCSND
2014-08-111408603-003-POCSND
2014-08-121408691-003-POCSND
2014-08-141408968-001-POCS0.960 ppb
2014-08-191408C70-001-POCSND
2014-08-191408C70-002-POCSND
2014-08-251408H13-002-POCSND
2014-08-311508N08-002-POCS1.27 ppb
2014-09-021409006-002-POCSND
2014-09-031409147-003-POCSND
2014-09-081409465-005-POCSND
2014-09-081409465-004-POCSND
2014-09-091409574-003-POCSND
2014-09-291409L82-001-POCS1.30 ppb
2014-09-291409L55-002-POCSND
2014-09-301409M86-003-POCSND
2014-09-301409M86-002-POCSND
2014-10-061410303-004-POCSND
2014-10-061410303-005-POCSND
2014-10-071410401-002-POCSND
2014-10-081410540-002-POCSND
2014-10-141410867-003-POCSND
2014-10-211410D18-003-POCSND
2014-10-281410H85-001-POCS1.50 ppb
2014-11-0314110290002-POCSND
2014-11-031511114-002-POCSND
2014-11-041411162-005-POCSND
2014-11-041411162-004-POCSND
2014-11-041411160-003-POCSND
2014-11-121411708-003-POCSND
2014-11-241411F90-001-POCSND
2014-12-011412004-002-POCSND
2014-12-011412055-003-POCSND
2014-12-081412528-004-POCSND
2014-12-081412528-005-POCSND
2014-12-151412A53-003-POCSND
2014-12-301412J15-001-POCSND
2015-01-051501057-002-POCSND
2015-01-051501098-003-POCSND
2015-01-131501685-001-POCSND
2015-01-141501749-003-POCSND
2015-01-261501F00-005-POCSND
2015-01-261501F00-004-POCSND
2015-02-021502020-002-POCSND
2015-02-031502056-003-POCSND
2015-02-101502545-003-POCSND
2015-02-181502A50-001-POCSND
2015-03-031503079-003-POCSND
2015-03-041503215-002-POCSND
2015-03-101503567-001-POCSND
2015-03-111503703-003-POCSND
2015-04-011504025-002-POCSND
2015-04-061504293-001-POCSND
2015-04-061504303-003-POCSND
2015-04-211504F27-003-POCSND
2015-05-041505116-002-POCSND
2015-05-041505165-003-POCSND
2015-05-081505605-003-POCSND
2015-05-111505698-003-POCSND
2015-05-141505A15-001-POCS1.45 ppb
2015-06-041506372-003-POCSND
2015-06-041506372-001-POCSND
2015-06-041506372-002-POCSND
2015-06-041506361-001-POCS1.81 ppb
2015-06-081506608-003-POCSND
2015-06-091506752-002-POCSND
2015-06-101506840-003-POCSND
2015-06-251506K63-002-POCSND
2015-07-071507339-003-POCSND
2015-07-071507339-001-POCS1.78 ppb
2015-07-091507598-003-POCSND
2015-07-171507C71-002-POCS1.48 ppb
2015-07-221507F82-003-POCSND
2015-07-281507J60-005-POCSND
2015-07-281507J60-004-POCSND
2015-08-041508128-002-POCSND
2015-08-121508902-003-POCSND
2015-08-121508668-001-POCS2.04 ppb
2015-08-121508306-003-POCSND
2015-08-191508E91-005-POCSND
2015-08-191508E91-004-POCSND
2015-09-021509122-03-POCSND
2015-09-021509122-003-POCSND
2015-09-021509122-001-POCS1.98 ppb
2015-09-091509634-003-POCSND
2015-09-161509B60-003-POCSND
2015-09-221509G40-005-POCSND
2015-09-221509G40-004-POCSND
2015-09-291509L97-002-POCS1.76 ppb
2015-10-051510202-001-POCS2.11 ppb
2015-10-061510378-002-POCSND
2015-10-131510890-003-POCSND
2015-10-141510A29-003-POCSND
2015-10-201510E70-005-POCSND
2015-10-201510E70-006-POCSND
2015-10-271510K13-002-POCS1.47 ppb
2015-11-041511265-003-POCSND
2015-11-161511B78-001-POCSND
2015-11-171511C64-005-POCSND
2015-11-171511C64-006-POCSND
2015-12-011512014-002-POCSND
2015-12-081512605-001-POCSND
2015-12-081512605001-POCSND
2015-12-16151D35-005ND
2016-01-051601130-002-POCSND
2016-01-071601345-003-POCSND
2016-01-121601648-001-POCSND
2016-01-201601D06-005-POCSND
2016-01-201601D06-006-POCSND
2016-01-261601G57-003-POCSND
2016-02-011602009-002-POCSND
2016-02-021602124-005-POCSND
2016-02-021602124-006-POCSND
2016-02-031602262-001-POCS0.800 ppb
2016-02-091602755-003-POCSND
2016-02-171602C36-003-POCSND
2016-03-011603001-003-POCSND
2016-03-021603127-002-POCSND
2016-03-081603588-001-POCSND
2016-03-091603705-006-POCSND
2016-03-091603705-005-POCSND
2016-03-161603C59-003-POCSND
2016-04-051604317-002-POCSND
2016-04-061604474-003-POCSND
2016-04-071604644-003-POCSND
2016-04-191604H22-005-POCSND
2016-04-191604H22-006-POCSND
2016-04-271604O64-001-POCSND
2016-04-281604Q16-002-POCS2.20 ppb
2016-05-031605131-002-POCSND
2016-05-041605276-003-POCSND
2016-05-051605408-001-POCSND
2016-05-171605E44-006-POCSND
2016-05-171605E44-005-POCSND
2016-05-261605P45=002-POCS2.20 ppb
2016-06-021606189-002-POCS1.42 ppb
2016-06-061606440-002-POCSND
2016-06-071606537-003-POCSND
2016-06-141606D230001-POCS1.62 ppb
2016-06-141606D23-004-POCSND
2016-06-211606J68-006-POCSND
2016-06-211606J98-005-POCSND
2016-07-051607138-001-POCS1.92 ppb
2016-07-071607457-002-POCSND
2016-07-111607722-003-POCSND
2016-07-191607E66-003-POCSND
2016-07-201607G25-002-POCSND
2016-07-251607K43-002-POCSND
2016-07-251607K43-001-POCSND
2016-07-271607N14-002-POCS1.90 ppb
2016-08-021608140-003-POCSND
2016-08-021608140-001-POCS1.61 ppb
2016-08-081608762-003-POCSND
2016-08-151608D68-002-POCSND
2016-08-161608E55-006-POCSND
2016-08-161608E55-005-POCSND
2016-08-291608Q17-003-POCSND
2016-08-301608Q97-002-POCS2.30 ppb
2016-09-071609388-002-POCSND
2016-09-121609773-002-POCS1.81 ppb
2016-09-131609878-003-POCSND
2016-09-141609A97-003-POCSND
2016-09-151609C61-001-POCS1.68 ppb
2016-09-261609L90-002-POCSND
2016-09-261609L90-001-POCSND
2016-09-281609O64-002-POCSND
2016-10-05701192002-POCSND
2016-10-17702188003-POCSND
2016-10-18702252003-POCSND
2016-10-1870225002-POCSND
2016-10-24702732003-POCSND
2016-11-07703823006-POCSND
2016-11-07703823005-POCSND
2016-11-08703940002ND
2016-11-09704054001-POCS1.90 ppb
2016-11-14704430003ND
2016-11-15704560003ND
2016-11-21705053002-POCSND
2016-12-05705963002ND
2016-12-05706005003ND
2016-12-12706579003ND
2016-12-147067800012.10 ppb
2016-12-20707337005ND
2016-12-20707337006ND
2017-01-03708178001-POCS2.40 ppb
2017-01-05708357002-POCSND
2017-01-10708691002ND
2017-01-11708894006ND
2017-01-11708894005ND
2017-01-12708946003ND
2017-01-17709276003-POCSND
2017-01-20709614002-POCS3.30 ppb
2017-02-0170102980011.40 ppb
2017-02-067010611002ND
2017-02-087010861005ND
2017-02-087010861006ND
2017-02-147011212003ND
2017-02-237011930002ND
2017-03-017012311002ND
2017-03-027012451002ND
2017-03-067012705006ND
2017-03-067012705005ND
2017-03-087012859003ND
2017-03-087012859006ND
2017-04-047014829001ND
2017-04-057014996002ND
2017-04-107015364003ND
2017-04-177016005003ND
2017-04-247016665002ND
2017-04-247016741006ND
2017-04-247016741005ND
2017-05-017017334006ND
2017-05-027017456003ND
2017-05-157018594006ND
2017-05-157018594005ND
2017-05-227019238003ND
2017-05-2470194260011.50 ppb
2017-06-017020082002ND
2017-06-057020322003ND
2017-06-0970208790012.90 ppb
2017-06-127021030003ND
2017-06-207021873002ND
2017-06-217022042005ND
2017-06-217022042006ND
2017-06-267022376002ND
2017-07-0370230320016.00 ppb
2017-07-057023138002ND
2017-07-067023242002ND
2017-07-107023529005ND
2017-07-107023529006ND
2017-07-137023987002ND
2017-07-187024412003ND
2017-07-247025032003ND
2017-08-0370261000014.70 ppb
2017-08-077026350002ND
2017-08-107026803005ND
2017-08-147027088003ND
2017-08-247028102004ND
2017-08-247028102002ND
2017-08-287028309006ND
2017-08-287028309005ND
2017-09-067028994003ND
2017-09-0670289940018.80 ppb
2017-09-117029465003ND
2017-09-1370297230048.50 ppb
2017-09-137029723008ND
2017-09-137029723012ND
2017-09-137029723006ND
2017-09-137029723020ND
2017-09-137029723010ND
2017-09-187030163001ND
2017-09-257030894006ND
2017-09-257030894005ND
2017-09-287031317002ND
2017-10-037031673002ND
2017-10-107032375006ND
2017-10-107032375005ND
2017-10-167033001006ND
2017-10-187033282003ND
2017-10-237033737002ND
2017-10-317034372002ND
2017-11-01703448002ND
2017-11-067034877003ND
2017-11-137035551003ND
2017-11-177036063002ND
2017-11-297036727006ND
2017-11-297036727005ND
2017-12-047037035003ND
2017-12-057037161003ND
2017-12-127037838002ND
2018-01-037039544002ND
2018-01-107040057003ND
2018-01-177040656002ND
2018-01-267041453006ND
2018-01-267041453009ND
2018-02-017041823002ND
2018-02-057041997003ND
2018-02-077042262003ND
2018-03-017044262002ND
2018-03-057044406003ND
2018-03-097044926005ND
2018-03-097044926006ND
2018-03-127045049003ND
2018-04-027046866002ND
2018-04-047047243003ND
2018-04-097047665003ND
2018-04-207049166005ND
2018-04-207049166006ND
2018-05-017050042002ND
2018-05-0370504870021.40 ppb
2018-05-077050735003ND
2018-05-147051556004ND
2018-05-147051556002ND
2018-05-1570516950024.30 ppb
2018-05-2370052551003ND
2018-05-2570528790023.80 ppb
2018-06-047053539002ND
2018-06-137054775003ND
2018-06-147054889002ND
2018-06-207055666004ND
2018-06-207055666005ND
2018-07-097057434002ND
2018-07-117057759002ND
2018-07-127058017006ND
2018-07-127058017005ND
2018-07-167058277003ND
2018-07-317059881002ND
2018-08-067060471002ND
2018-08-087060181002ND
2018-08-087060823003ND
2018-08-167061875005ND
2018-08-167061875006ND
2018-08-217062315002ND
2018-08-277062832002ND
2018-09-057063721002ND
2018-09-107064163002ND
2018-09-127064495003ND
2018-09-177064983005ND
2018-09-177064983006ND
2018-09-247065666002ND
2018-09-277066143002ND
2018-10-017066345002ND
2018-10-037066756002ND
2018-10-107067436003ND
2018-10-227068642006ND
2018-10-227068642005ND
2018-10-247068888002ND
2018-11-057069996002ND
2018-11-157071211003ND
2018-11-207071644004ND
2018-11-207071644003ND
2018-12-037072593002ND
2018-12-057072899002ND
2018-12-107073386003ND
2018-12-197074396006ND
2018-12-197074396005ND
2019-01-037075496002ND
2019-01-087075833002ND
2019-01-147076457003ND
2019-01-237077370005ND
2019-01-237077370006ND
2019-02-047078249002ND
2019-02-067078521006ND
2019-02-067078521005ND
2019-02-217079099002ND
2019-02-217080267003ND
2019-03-057081270002ND
2019-03-067081480005ND
2019-03-067081480006ND
2019-03-197082773003ND
2019-03-2770835510010.920 ppb
2019-04-017083974002ND
2019-04-087084935004ND
2019-04-117085538002ND
2019-04-117085538001ND
2019-04-157085819002ND
2019-05-067088240002ND
2019-05-067088240004ND
2019-05-097088811003ND
2019-05-167089868006ND
2019-05-167089868005ND
2019-05-177090004002ND
2019-06-047092007002ND
2019-06-057092197002ND
2019-06-117092953003ND
2019-06-177093906006ND
2019-06-177093906005ND
2019-06-267095337002ND
2019-07-027096094002ND
2019-07-087096592002ND
2019-07-107096936003ND
2019-07-157097498006ND
2019-07-157097498005ND
2019-07-227098353002ND
2019-07-247098680002ND
2019-08-057099889003ND
2019-08-057099889006ND
2019-08-0770100223002ND
2019-08-1370101080006ND
2019-08-1370101080005ND
2019-08-2670102655002ND
2019-08-2870103071002ND
2019-09-0370103440002ND
2019-09-0470103644002ND
2019-09-0970104133006ND
2019-09-0970104133005ND
2019-09-2370105885002ND
2019-09-2570106208002ND
2019-10-0170106780002ND
2019-10-0270106998002ND
2019-10-0770107485003ND
2019-10-0870107646002ND
2019-10-1670108608006ND
2019-10-1670108608005ND
2019-10-28701098820020.670 ppb
2019-11-0470110533002ND
2019-11-0670110855003ND
2019-11-1370111663002ND
2019-11-2070112590006ND
2019-11-2070112590005ND
2019-12-0270113564002ND
2019-12-0370113682002ND
2019-12-0970114550003ND
2019-12-1870115903005ND
2019-12-1870115903006ND