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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Freeport

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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233

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND360ND
2015ND390ND
2016ND420ND
2017ND440ND
2018ND420ND
2019ND300ND

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
2014-02-261402E45-001-POCSND
2014-02-261402E45-004-POCSND
2014-02-261402E45-008-POCSND
2014-02-261402E45-002-POCSND
2014-02-261402E45-005-POCSND
2014-02-261402E45-003-POCSND
2014-02-261402E45-006-POCSND
2014-02-261402E45-007-POCSND
2014-04-021404165-006-POCSND
2014-04-021404165-007-POCSND
2014-04-021404165-001-POCSND
2014-04-021404165-008-POCSND
2014-04-021404165-003-POCSND
2014-04-021404165-005-POCSND
2014-04-021404165-004-POCSND
2014-04-021404165-002-POCSND
2014-08-191408D71-001-POCSND
2014-09-101409756-004-POCSND
2014-09-101409756-005-POCSND
2014-09-101409756-002-POCSND
2014-09-101409756-001-POCSND
2014-09-101409756-003-POCSND
2014-09-101409756-008-POCSND
2014-09-101409756-006-POCSND
2014-09-101409756-007-POCSND
2014-10-141410928-001-POCSND
2014-10-301410K14-001-POCSND
2014-12-121412948-006-POCSND
2014-12-121412948-003-POCSND
2014-12-121412948-001-POCSND
2014-12-121412948-007-POCSND
2014-12-121412948-002-POCSND
2014-12-121412948-004-POCSND
2014-12-121412948-005-POCSND
2014-12-181412D94-001-POCSND
2014-12-181412D96-001-POCSND
2015-01-201501B45-001-POCSND
2015-01-201501B48-001-POCSND
2015-02-101502609-002-POCSND
2015-02-101502609-001-POCSND
2015-03-111503723-005-POCSND
2015-03-111503723-004-POCSND
2015-03-111503723-002-POCSND
2015-03-111503723-001-POCSND
2015-03-111503723-003-POCSND
2015-03-111503723-007-POCSND
2015-03-111503723-006-POCSND
2015-03-181503C64-001-POCSND
2015-03-181503C64-002-POCSND
2015-04-141504A96-004-POCSND
2015-04-141504A96-007-POCSND
2015-04-141504A96-008-POCSND
2015-04-141504A96-002-POCSND
2015-04-141504A96-003-POCSND
2015-04-141504A96-009-POCSND
2015-04-151504A96-001-POCSND
2015-04-151504A96-006-POCSND
2015-04-151504A96-005-POCSND
2015-07-201507D49-007-POCSND
2015-07-201507D49-004-POCSND
2015-07-201507D49-003-POCSND
2015-07-201507D49-008-POCSND
2015-07-201507D49-006-POCSND
2015-07-201507D49-009-POCSND
2015-10-211510G28-001-POCSND
2015-10-211510G28-003-POCSND
2015-10-211510G28-002-POCSND
2015-10-211510G28-006-POCSND
2015-10-211510G28-009-POCSND
2015-10-211510G28-007-POCSND
2015-10-211510G28-005-POCSND
2015-10-211510G28-011-POCSND
2015-10-211510G28-008-POCSND
2015-10-211510G28-010-POCSND
2015-10-211510G28-004-POCSND
2016-02-011607A22-006ND
2016-03-021603153-002ND
2016-03-021603153-006ND
2016-03-021603153-002-POCSND
2016-03-021603153-001ND
2016-03-021603153-003-POCSND
2016-03-021603153-004-POCND
2016-03-0216003153-005-POCND
2016-03-171603E70-002ND
2016-03-171603E70-003-POCSND
2016-03-171603E70-003ND
2016-03-171603E70-001-POCND
2016-05-111605971-001ND
2016-05-111605971-002ND
2016-05-111605971-003ND
2016-05-111607I26-001-POCSND
2016-05-111605971-004ND
2016-05-111605971-010ND
2016-05-111605971-007ND
2016-05-111605971-008ND
2016-05-111605971-009ND
2016-05-111605971-006ND
2016-07-131607A22-004ND
2016-07-131607A22-002ND
2016-07-131607A22-005ND
2016-07-131607A22-007ND
2016-07-131607A22-003ND
2016-07-13 1607A22-009ND
2016-07-131607A22-001ND
2016-07-131607A22-008ND
2016-09-221609J39-001-POCSND
2016-10-06701368032ND
2016-10-06701368023ND
2016-10-06701368002ND
2016-10-06701368014ND
2016-10-06701368011ND
2016-10-06701368029ND
2016-10-06701368026ND
2016-10-06701368005ND
2016-10-06701368008ND
2016-10-06701368020ND
2016-10-06701368017ND
2017-03-087012890002ND
2017-03-087012890011ND
2017-03-087012890004ND
2017-03-087012890003ND
2017-03-087012890005ND
2017-03-087012890008ND
2017-03-087012890006ND
2017-03-087012890007ND
2017-03-087012890001ND
2017-03-087012890010ND
2017-03-087012890009ND
2017-05-257019669005-POCSND
2017-05-257019669011-POCSND
2017-05-257019669001-POCSND
2017-05-257019669002-POCSND
2017-05-257019669007-POCSND
2017-05-257019669010-POCSND
2017-05-257019669004-POCSND
2017-05-257019669009-POCSND
2017-05-257019669008-POCSND
2017-05-257019669006-POCSND
2017-05-25701966011-POCSND
2017-05-257019669003-POCSND
2017-08-297028485005ND
2017-08-297028485008ND
2017-08-297028485002ND
2017-08-297028485004ND
2017-08-297028485007ND
2017-08-297028485009ND
2017-08-297028485001ND
2017-08-297028485006ND
2017-08-297028485010ND
2017-09-147029977001-POCSND
2017-10-057032081002ND
2017-10-057032081004ND
2017-10-057032081003ND
2017-10-057032081001ND
2017-10-197033528004-POCSND
2017-10-197033528002-POCSND
2017-10-197033528005-POCSND
2017-10-197033528006-POCSND
2017-10-197033528007-POCSND
2017-10-197033528001-POCSND
2017-10-197033528003-POCSND
2018-03-067044635002ND
2018-03-067044635009ND
2018-03-067044635008ND
2018-03-067044635006ND
2018-03-067044635001ND
2018-03-067044635003ND
2018-03-067044635004ND
2018-03-067044635005ND
2018-03-067044635007ND
2018-03-297046647002ND
2018-04-247049440005-POCSND
2018-04-247049440008ND
2018-04-247049440009-POCSND
2018-04-247049440003-POCSND
2018-04-247049440007-POCSND
2018-04-247049440004-POCSND
2018-04-247049440001-POCSND
2018-04-247049440002-POCSND
2018-04-247049440006-POCSND
2018-05-117051431001-POCSND
2018-06-127054639001-POCSND
2018-07-317059905001-POCSND
2018-07-317059905010-POCSND
2018-07-317059905005-POCSND
2018-07-317059905006-POCSND
2018-07-317059905011-POCSND
2018-07-317059905003-POCSND
2018-07-317059905008ND
2018-07-317059905007-POCSND
2018-07-317059905002-POCSND
2018-07-317059905004ND
2018-07-317059905009-POCSND
2018-11-277072124008-POCSND
2018-11-277072124005-POCSND
2018-11-277072124002-POCSND
2018-11-277072124009-POCSND
2018-11-277072124001-POCSND
2018-11-277072124007-POCSND
2018-11-277072124004-POCSND
2018-11-277072124003-POCSND
2018-11-277072124006-POCSND
2018-11-277072124010-POCSND
2019-01-317078033008ND
2019-01-317078033005ND
2019-01-317078033004ND
2019-01-317078033001ND
2019-01-317078033007ND
2019-01-317078033002ND
2019-01-317078033003ND
2019-01-317078033009ND
2019-01-317078033006ND
2019-01-317078033010ND
2019-06-047091996010-POCSND
2019-06-047091996005ND
2019-06-047091996004-POCSND
2019-06-047091996001-POCSND
2019-06-047091996003ND
2019-06-047091996009-POCSND
2019-06-047091996008-POCSND
2019-06-047091996002-POCSND
2019-06-047091996007-POCSND
2019-06-047091996006-POCSND
2019-10-2470109658003ND
2019-10-2470109658004ND
2019-10-2470109658008ND
2019-10-2470109658005ND
2019-10-2470109658001ND
2019-10-2470109658007ND
2019-10-2470109658002ND
2019-10-2470109658006ND
2019-10-2470109658009ND
2019-10-2470109658010ND