Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

cis-1,2-Dichloroethylene

Cedarburg L & W Commission

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.

MORE ABOUT THIS CONTAMINANT

 

136

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND130ND
20150.690 ppb249ND - 3.30 ppb
20160.437 ppb236ND - 2.30 ppb
20170.404 ppb257ND - 3.20 ppb
20180.290 ppb246ND - 2.10 ppb
20190.290 ppb277ND - 1.90 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
2014-03-04772846ND
2014-03-04772841ND
2014-03-04772844ND
2014-05-12785096ND
2014-05-12785091ND
2014-05-12785094ND
2014-08-19811812ND
2014-08-19811810ND
2014-08-19811816ND
2014-08-19811815ND
2014-12-01833295ND
2014-12-01833292ND
2014-12-01833297ND
2015-03-10847454ND
2015-03-10847447ND
2015-03-10847457ND
2015-03-10847450ND
2015-03-108474490.940 ppb
2015-03-108474521.20 ppb
2015-06-01862715ND
2015-06-01862717ND
2015-06-01862718ND
2015-06-018627200.210 ppb
2015-06-018627191.60 ppb
2015-06-018627163.30 ppb
2015-07-28873581ND
2015-07-28873576ND
2015-07-28873579ND
2015-07-28873578ND
2015-07-288735801.60 ppb
2015-07-288735772.80 ppb
2015-10-05887229ND
2015-10-05887224ND
2015-10-05887226ND
2015-10-05887227ND
2015-10-058872282.00 ppb
2015-10-058872252.90 ppb
2016-03-08908903ND
2016-03-08908895ND
2016-03-08908899ND
2016-03-08908898ND
2016-03-089089011.90 ppb
2016-03-089088972.30 ppb
2016-05-16921447ND
2016-05-16921443ND
2016-05-16921445ND
2016-05-16921444ND
2016-05-169214462.10 ppb
2016-08-15939240ND
2016-08-15939235ND
2016-08-15939238ND
2016-08-15939237ND
2016-08-159392360.260 ppb
2016-08-159392391.70 ppb
2016-10-17953742ND
2016-10-17953737ND
2016-10-17953738ND
2016-10-17953739ND
2016-10-17953740ND
2016-10-179537411.80 ppb
2017-01-16969880ND
2017-01-16969877ND
2017-01-16969884ND
2017-01-16969904ND
2017-01-16969905ND
2017-01-16969887ND
2017-01-169699061.60 ppb
2017-04-12982954ND
2017-04-12982948ND
2017-04-12982951ND
2017-04-12982950ND
2017-04-129829490.430 ppb
2017-04-129829523.20 ppb
2017-07-241006158ND
2017-07-241006154ND
2017-07-241006159ND
2017-07-241006156ND
2017-07-2410061550.530 ppb
2017-07-2410061571.90 ppb
2017-11-131029331ND
2017-11-131029326ND
2017-11-131029329ND
2017-11-131029328ND
2017-11-1310293270.440 ppb
2017-11-1310293302.00 ppb
2018-01-111036954ND
2018-01-111036953ND
2018-01-111036949ND
2018-01-111036952ND
2018-01-111036951ND
2018-01-1110369500.470 ppb
2018-04-161050258ND
2018-04-161050253ND
2018-04-161050256ND
2018-04-161050255ND
2018-04-1610502540.400 ppb
2018-04-1610502571.60 ppb
2018-07-311070622ND
2018-07-311070617ND
2018-07-311070618ND
2018-07-311070619ND
2018-07-311070620ND
2018-07-3110706212.00 ppb
2018-11-061091353ND
2018-11-061091348ND
2018-11-061091351ND
2018-11-061091350ND
2018-11-0610913490.380 ppb
2018-11-0610913522.10 ppb
2019-01-081100042ND
2019-01-081100041ND
2019-01-081100039ND
2019-01-081100044ND
2019-01-0811000400.360 ppb
2019-01-0811000431.90 ppb
2019-06-031124606ND
2019-06-031124603ND
2019-06-031124604ND
2019-06-0311246051.50 ppb
2019-06-241130093ND
2019-06-241130092ND
2019-07-231136373ND
2019-08-191141967ND
2019-08-191141962ND
2019-08-191141965ND
2019-08-191141964ND
2019-08-1911419630.350 ppb
2019-08-1911419661.60 ppb
2019-09-091146111ND
2019-10-211156361ND
2019-11-051159255ND
2019-11-051159252ND
2019-11-051159253ND
2019-11-0511592510.520 ppb
2019-11-0511592541.60 ppb
2019-12-101165212ND