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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Franklin Square WD

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

MORE ABOUT THIS CONTAMINANT

 

143

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
20140.0333 ppb241ND - 0.800 ppb
20150.457 ppb227ND - 1.87 ppb
20161.12 ppb2413ND - 2.66 ppb
20170.0875 ppb241ND - 2.10 ppb
2018ND250ND
20190.416 ppb248ND - 1.60 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
2014-01-071401216-003-POCSND
2014-01-141401584-003-POCS0.800 ppb
2014-02-041402121-003-POCSND
2014-02-111402551-003-POCSND
2014-03-041403168-003-POCSND
2014-03-111403726-003-POCSND
2014-04-011404075-003-POCSND
2014-04-081404627-003-POCSND
2014-05-061405384-003-POCSND
2014-06-031406212-003-POCSND
2014-06-101406707-003-POCSND
2014-07-011407087-003-POCSND
2014-07-081407486-003-POCSND
2014-08-051408282-003-POCSND
2014-08-12140828-003-POCSND
2014-09-021409061-003-POCSND
2014-09-091409654-003-POCSND
2014-10-071410513-003-POCSND
2014-10-14GAC-4/5ND
2014-10-141410970-003-POCSND
2014-11-051411275-003-POCSND
2014-11-12141779-003-POCSND
2014-12-021412138-003-POCSND
2014-12-091412714-003-POCSND
2015-01-061501196-003-POCSND
2015-01-201501B81-004-POCSND
2015-02-031502144-003-POCSND
2015-02-101502570-003-POCSND
2015-03-031503165-003-POCSND
2015-03-101503644-003-POCSND
2015-04-071504407-003-POCSND
2015-04-141504A29-003-POCSND
2015-05-051505284-003-POCSND
2015-05-121505883-003-POCS0.600 ppb
2015-07-071507402-003-POCSND
2015-07-141507997-003-POCS1.12 ppb
2015-08-041508261-003-POCSND
2015-08-111508867-006-POCS1.45 ppb
2015-09-011509039-003-POCSND
2015-09-081509548-003-POCS1.80 ppb
2015-10-061510359-003-POCSND
2015-10-131510A06-001-POCS1.69 ppb
2015-11-041511307-003-POCSND
2015-11-101511843-003-POCS1.53 ppb
2015-12-011512127-003-POCSND
2015-12-081512693-003-POCS1.87 ppb
2016-01-051601166-003-POCSND
2016-01-121601710-003-POCS1.56 ppb
2016-02-021602196-003-POCSND
2016-02-091602725-003-POCS1.60 ppb
2016-03-081603658-003-POCS2.00 ppb
2016-04-051604345-003-POCSND
2016-04-121604B70-003-POCS1.77 ppb
2016-05-031605244-003-POCSND
2016-05-101605893-003-POCS2.66 ppb
2016-05-251605N33-001-POCS2.33 ppb
2016-06-071606613-003-POCSND
2016-06-141606D69-003-POCS2.20 ppb
2016-07-051607207-003-POCSND
2016-07-121607945-001-POCS2.64 ppb
2016-08-081608184-003-POCSND
2016-08-091608974-003-POCS2.60 ppb
2016-09-061609348-003-POCSND
2016-09-131609A12-003-POCS1.59 ppb
2016-10-04701133025ND
2016-10-117017070032.20 ppb
2016-11-01703408003-POCSND
2016-11-097041330031.90 ppb
2016-12-06706125003ND
2016-12-137067600031.90 ppb
2017-01-03708163003ND
2017-01-107087600032.10 ppb
2017-02-077010799003ND
2017-02-147011280004ND
2017-03-077012788003ND
2017-03-157013389003ND
2017-04-047014912003ND
2017-04-117015500003ND
2017-05-027017539003ND
2017-05-097018126003ND
2017-06-067020499003ND
2017-06-137021187003ND
2017-07-057023210003ND
2017-07-117023699004ND
2017-08-017025869003ND
2017-08-087026557003-POCSND
2017-09-057028859003ND
2017-09-127029655003ND
2017-10-037031883003ND
2017-10-107032461003ND
2017-11-067034898003ND
2017-11-147035701002ND
2017-12-057037160003ND
2017-12-127037924003ND
2018-01-027039470003ND
2018-01-097039939003ND
2018-02-067042164003ND
2018-02-137042765003ND
2018-03-067044568003ND
2018-03-137045193003ND
2018-04-037047013003ND
2018-04-107047883003ND
2018-04-177048667003ND
2018-05-017050103003ND
2018-05-087050933003ND
2018-06-057053717003ND
2018-06-127054669003ND
2018-07-037057041002ND
2018-07-107057678004ND
2018-08-077060712002ND
2018-08-147061492003ND
2018-09-047063608003ND
2018-09-257064504002ND
2018-10-027066617003ND
2018-10-097067363002ND
2018-11-057070030003ND
2018-11-307072553001ND
2018-12-047072756003ND
2018-12-117073579002ND
2019-01-027075236003ND
2019-01-087075892002ND
2019-02-057078406003ND
2019-02-137079434002ND
2019-03-057081330003ND
2019-03-127082124002ND
2019-04-027084189003ND
2019-04-097085121003ND
2019-05-077088479003ND
2019-05-1470894610030.840 ppb
2019-06-047091961003ND
2019-06-1170931120030.910 ppb
2019-07-027096050003ND
2019-07-0970968380041.60 ppb
2019-08-0670100100003ND
2019-08-27701029290030.940 ppb
2019-09-0370103507003ND
2019-09-24701060470031.40 ppb
2019-10-0170106844003ND
2019-10-22701092990031.40 ppb
2019-11-1270111552003ND
2019-11-19701124490031.50 ppb
2019-12-0370113853003ND
2019-12-10701147970031.40 ppb