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EWG's Tap Water Database — 2019 UPDATE

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trans-1,2-Dichloroethylene

Los Angeles Department of Water and Power

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.

 

546

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND800ND
2013ND1160ND
2014ND1210ND
2015ND1140ND
2016ND680ND
2017ND470ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 60 ppb

The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

EPA Maximum Contaminant
Level (MCL) 100 ppb

The legal limit for trans-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
2012-01-031200-133-0915ND
2012-01-031200-205-0650ND
2012-01-101200-133-1030ND
2012-01-171200-133-0725ND
2012-01-181200-205-1200ND
2012-01-241200-133-0625ND
2012-01-311200-133-0955ND
2012-02-021200-133-1000ND
2012-02-071200-133-0935ND
2012-02-071200-205-0810ND
2012-02-141200-011-1020ND
2012-02-141200-133-0630ND
2012-02-211200-133-0805ND
2012-02-241200-159-0955ND
2012-02-281200-133-1100ND
2012-03-061200-133-0725ND
2012-03-131200-133-1255ND
2012-03-201200-133-0720ND
2012-03-201200-159-1100ND
2012-03-271200-133-1325ND
2012-04-031200-133-1205ND
2012-04-101200-133-1000ND
2012-04-241200-133-1045ND
2012-04-261200-159-0940ND
2012-05-011200-133-1015ND
2012-05-081200-133-1030ND
2012-05-151200-133-0925ND
2012-05-171200-011-0900ND
2012-05-211200-159-0955ND
2012-05-221200-133-1045ND
2012-05-221200-133-1200ND
2012-05-291200-133-0945ND
2012-06-051200-133-0710ND
2012-06-121200-133-0650ND
2012-06-191200-133-1005ND
2012-06-261200-133-0650ND
2012-06-271200-159-1115ND
2012-07-031200-133-1130ND
2012-07-101200-133-0740ND
2012-07-171200-133-1100ND
2012-07-231200-159-1000ND
2012-07-241200-133-0700ND
2012-07-311200-133-1130ND
2012-08-071200-133-1200ND
2012-08-141200-011-1200ND
2012-08-141200-133-1030ND
2012-08-141200-133-1115ND
2012-08-211200-133-1115ND
2012-08-281200-133-1000ND
2012-08-291200-159-0755ND
2012-09-041200-133-0630ND
2012-09-111200-133-1200ND
2012-09-181200-133-0615ND
2012-09-251200-133-0645ND
2012-09-251200-205-1000ND
2012-10-021200-133-0625ND
2012-10-021200-205-0945ND
2012-10-041200-159-1130ND
2012-10-091200-133-0640ND
2012-10-101200-205-0855ND
2012-10-161200-133-1245ND
2012-10-231200-133-1200ND
2012-10-231200-205-0845ND
2012-10-301200-133-1115ND
2012-10-301200-205-0945ND
2012-11-131200-011-1035ND
2012-11-131200-133-0830ND
2012-11-131200-133-0840ND
2012-11-131200-205-1010ND
2012-11-191200-133-1200ND
2012-11-201200-205-0835ND
2012-11-271200-133-0715ND
2012-11-271200-205-1050ND
2012-12-041200-133-0655ND
2012-12-041200-205-0905ND
2012-12-111200-205-1005ND
2012-12-181200-133-0710ND
2012-12-181200-205-1035ND
2012-12-251200-133-0810ND
2012-12-251200-205-1040ND
2013-01-011200-133-0655ND
2013-01-011200-205-1100ND
2013-01-081200-133-0700ND
2013-01-081200-205-1030ND
2013-01-151200-133-1305ND
2013-01-151200-205-1100ND
2013-01-221200-133-0655ND
2013-01-221200-205-1130ND
2013-01-291200-133-0645ND
2013-01-291200-205-0950ND
2013-02-051200-133-0650ND
2013-02-051200-205-1200ND
2013-02-121200-133-1230ND
2013-02-121200-205-0915ND
2013-02-191200-133-1300ND
2013-02-191200-205-0835ND
2013-02-201200-133-1200ND
2013-02-261200-133-1245ND
2013-02-261200-205-0825ND
2013-03-051200-133-1100ND
2013-03-051200-205-0735ND
2013-03-121200-133-1130ND
2013-03-121200-205-1155ND
2013-03-191200-133-0715ND
2013-03-191200-205-0825ND
2013-03-201200-011-1050ND
2013-03-251200-159-1400ND
2013-03-261200-133-1100ND
2013-03-261200-205-0825ND
2013-04-021200-133-1145ND
2013-04-041200-205-1130ND
2013-04-091200-133-1340ND
2013-04-091200-205-0730ND
2013-04-161200-133-1230ND
2013-04-161200-205-1015ND
2013-04-231200-133-0630ND
2013-04-231200-205-0745ND
2013-04-301200-133-0635ND
2013-04-301200-205-0750ND
2013-05-071200-133-1320ND
2013-05-071200-205-0800ND
2013-05-091200-011-1025ND
2013-05-091200-133-0825ND
2013-05-141200-133-1255ND
2013-05-141200-205-0745ND
2013-05-211200-133-1215ND
2013-05-211200-205-1110ND
2013-05-281200-133-1045ND
2013-05-281200-205-1110ND
2013-06-041200-133-1030ND
2013-06-041200-205-1135ND
2013-06-111200-133-0815ND
2013-06-111200-205-1100ND
2013-06-181200-133-1100ND
2013-06-181200-205-0955ND
2013-06-251200-133-0620ND
2013-06-251200-205-1055ND
2013-06-281200-159-1125ND
2013-07-021200-133-1625ND
2013-07-021200-205-0805ND
2013-07-091200-133-0615ND
2013-07-091200-205-0745ND
2013-07-161200-133-0635ND
2013-07-161200-159-1155ND
2013-07-161200-205-0730ND
2013-07-231200-133-0635ND
2013-07-231200-205-0750ND
2013-07-301200-133-0635ND
2013-07-301200-205-0730ND
2013-08-061200-133-0710ND
2013-08-061200-205-0740ND
2013-08-131200-011-1235ND
2013-08-131200-205-1300ND
2013-08-161200-133-0945ND
2013-08-201200-133-0630ND
2013-08-201200-205-1300ND
2013-08-271200-133-0655ND
2013-08-271200-205-1030ND
2013-09-031200-133-0615ND
2013-09-031200-205-1300ND
2013-09-101200-133-1240ND
2013-09-101200-205-1215ND
2013-09-171200-133-1050ND
2013-09-171200-205-1130ND
2013-09-241200-133-0630ND
2013-09-241200-205-1005ND
2013-10-011200-133-1200ND
2013-10-011200-205-1030ND
2013-10-081200-133-1330ND
2013-10-081200-205-1145ND
2013-10-151200-133-1330ND
2013-10-151200-205-1030ND
2013-10-221200-133-0645ND
2013-10-221200-205-0830ND
2013-10-291200-133-1330ND
2013-10-291200-205-1100ND
2013-11-051200-133-1250ND
2013-11-051200-205-0935ND
2013-11-121200-133-1200ND
2013-11-121200-205-0645ND
2013-11-191200-011-1045ND
2013-11-191200-133-0630ND
2013-11-191200-133-0800ND
2013-11-191200-205-0745ND
2013-11-261200-133-1145ND
2013-11-261200-205-1120ND
2013-12-031200-133-1155ND
2013-12-031200-205-0925ND
2013-12-101200-133-1200ND
2013-12-101200-205-0805ND
2013-12-171200-133-0715ND
2013-12-171200-205-1125ND
2013-12-241200-133-0800ND
2013-12-241200-205-0820ND
2013-12-311200-133-0650ND
2013-12-311200-205-1105ND
2014-01-071200-205-1110ND
2014-01-101200-133-0705ND
2014-01-141200-133-1250ND
2014-01-141200-205-1055ND
2014-01-211200-133-0730ND
2014-01-211200-205-1105ND
2014-01-281200-133-1145ND
2014-01-281200-205-0805ND
2014-02-041200-133-1115ND
2014-02-041200-205-0730ND
2014-02-111200-133-1145ND
2014-02-111200-205-0900ND
2014-02-181200-133-1200ND
2014-02-181200-205-1000ND
2014-02-251200-133-1230ND
2014-02-251200-205-0745ND
2014-02-261200-011-1215ND
2014-02-261200-133-1215ND
2014-02-271200-159-0850ND
2014-03-041200-133-1230ND
2014-03-041200-205-0815ND
2014-03-111200-133-0710ND
2014-03-111200-205-1000ND
2014-03-181200-133-0700ND
2014-03-181200-205-1115ND
2014-03-251200-133-0700ND
2014-03-251200-205-1045ND
2014-03-311200-159-1145ND
2014-04-011200-133-0620ND
2014-04-011200-205-0945ND
2014-04-081200-133-0650ND
2014-04-081200-205-1130ND
2014-04-151200-133-0650ND
2014-04-151200-205-1115ND
2014-04-221200-133-1130ND
2014-04-221200-205-1105ND
2014-04-291200-133-0700ND
2014-04-291200-205-1015ND
2014-05-061200-133-1220ND
2014-05-061200-205-1100ND
2014-05-131200-133-1145ND
2014-05-131200-205-1100ND
2014-05-141200-011-1115ND
2014-05-141200-133-1105ND
2014-05-201200-133-0615ND
2014-05-201200-205-1110ND
2014-05-271200-133-0615ND
2014-05-271200-205-1105ND
2014-05-301200-159-1010ND
2014-06-031200-133-1225ND
2014-06-031200-205-0720ND
2014-06-101200-133-0645ND
2014-06-101200-205-0650ND
2014-06-171200-133-1200ND
2014-06-171200-205-0725ND
2014-06-241200-133-0625ND
2014-06-241200-205-0655ND
2014-06-271200-159-1135ND
2014-07-011200-133-1240ND
2014-07-011200-205-0720ND
2014-07-081200-133-1205ND
2014-07-081200-205-0700ND
2014-07-151200-133-1305ND
2014-07-151200-205-0700ND
2014-07-221200-133-0640ND
2014-07-221200-205-1055ND
2014-07-251200-159-1050ND
2014-07-291200-133-0715ND
2014-07-291200-205-1120ND
2014-08-051200-133-0700ND
2014-08-051200-205-1100ND
2014-08-121200-011-1030ND
2014-08-121200-133-0640ND
2014-08-121200-205-1055ND
2014-08-191200-133-0645ND
2014-08-191200-205-1015ND
2014-08-201200-133-0900ND
2014-08-261200-133-1145ND
2014-08-261200-159-0945ND
2014-08-261200-205-0625ND
2014-09-021200-133-1200ND
2014-09-021200-205-1010ND
2014-09-091200-133-1140ND
2014-09-091200-205-1105ND
2014-09-161200-133-1115ND
2014-09-161200-205-0650ND
2014-09-231200-133-1115ND
2014-09-231200-205-0720ND
2014-09-291200-159-1050ND
2014-09-301200-133-1115ND
2014-09-301200-205-0650ND
2014-10-071200-133-1230ND
2014-10-071200-205-0915ND
2014-10-141200-133-0635ND
2014-10-141200-205-1045ND
2014-10-211200-133-1245ND
2014-10-211200-205-0945ND
2014-10-281200-133-1135ND
2014-10-281200-205-0930ND
2014-11-041200-133-0630ND
2014-11-041200-205-0900ND
2014-11-111200-133-0630ND
2014-11-111200-159-0905ND
2014-11-111200-205-0745ND
2014-11-121200-011-1240ND
2014-11-181200-133-0935ND
2014-11-181200-133-1215ND
2014-11-181200-205-1110ND
2014-11-251200-133-1115ND
2014-11-251200-205-1130ND
2014-12-021200-133-1145ND
2014-12-021200-205-1040ND
2014-12-091200-133-1130ND
2014-12-091200-205-1125ND
2014-12-161200-133-1145ND
2014-12-161200-205-0700ND
2014-12-231200-133-1000ND
2014-12-231200-205-0700ND
2014-12-301200-133-1200ND
2014-12-301200-205-0655ND
2014-12-311200-159-1200ND
2015-01-061200-133-1205ND
2015-01-061200-205-0645ND
2015-01-131200-133-1200ND
2015-01-131200-205-0700ND
2015-01-201200-133-1210ND
2015-01-201200-205-0710ND
2015-01-261200-159-0950ND
2015-01-271200-133-0620ND
2015-01-271200-205-0655ND
2015-02-031200-133-1225ND
2015-02-031200-205-0910ND
2015-02-101200-133-0650ND
2015-02-101200-205-0740ND
2015-02-111200-133-0825ND
2015-02-171200-133-1330ND
2015-02-171200-205-1135ND
2015-02-191200-011-0845ND
2015-02-241200-133-0640ND
2015-02-241200-159-0940ND
2015-02-241200-205-1200ND
2015-03-031200-133-0625ND
2015-03-031200-205-0915ND
2015-03-101200-133-0610ND
2015-03-101200-205-0750ND
2015-03-171200-133-0815ND
2015-03-171200-205-0735ND
2015-03-241200-133-0645ND
2015-03-241200-205-1300ND
2015-03-311200-133-0950ND
2015-03-311200-205-0715ND
2015-04-071200-133-1245ND
2015-04-071200-205-1050ND
2015-04-141200-133-1220ND
2015-04-141200-205-1125ND
2015-04-211200-133-1355ND
2015-04-211200-205-1040ND
2015-04-281200-133-1210ND
2015-04-281200-205-1120ND
2015-05-051200-133-0945ND
2015-05-051200-205-1200ND
2015-05-071200-159-1105ND
2015-05-121200-133-1420ND
2015-05-121200-205-1210ND
2015-05-191200-011-0900ND
2015-05-191200-133-0620ND
2015-05-191200-133-1100ND
2015-05-191200-205-1310ND
2015-05-261200-133-1300ND
2015-05-261200-205-1200ND
2015-06-021200-133-1045ND
2015-06-021200-205-1015ND
2015-06-091200-133-0655ND
2015-06-091200-205-0945ND
2015-06-161200-133-0700ND
2015-06-161200-205-1000ND
2015-06-191200-159-0900ND
2015-06-231200-133-0650ND
2015-06-231200-205-0930ND
2015-06-301200-133-1050ND
2015-06-301200-205-0900ND
2015-07-161200-159-0950ND
2015-08-041200-011-1040ND
2015-08-041200-133-0635ND
2015-08-041200-133-0645ND
2015-08-041200-205-1200ND
2015-08-111200-133-0645ND
2015-08-111200-205-1115ND
2015-08-181200-133-1040ND
2015-08-181200-205-0835ND
2015-08-201200-159-1000ND
2015-08-251200-133-1235ND
2015-08-251200-205-1200ND
2015-09-011200-133-0700ND
2015-09-011200-205-1100ND
2015-09-081200-133-0740ND
2015-09-081200-205-0715ND
2015-09-151200-133-0730ND
2015-09-151200-205-1000ND
2015-09-221200-133-1350ND
2015-09-221200-205-1100ND
2015-09-281200-159-1000ND
2015-09-291200-133-0855ND
2015-09-291200-205-1240ND
2015-10-061200-133-0830ND
2015-10-061200-205-1030ND
2015-10-131200-133-0745ND
2015-10-131200-205-0915ND
2015-10-161200-133-1020ND
2015-10-201200-133-0805ND
2015-10-201200-205-1155ND
2015-10-271200-133-0650ND
2015-10-271200-205-1040ND
2015-10-301200-159-1050ND
2015-11-031200-133-0800ND
2015-11-031200-205-1100ND
2015-11-051200-011-1005ND
2015-11-051200-133-0755ND
2015-11-101200-133-0745ND
2015-11-101200-205-1200ND
2015-11-171200-133-0730ND
2015-11-171200-205-0955ND
2015-11-241200-133-0745ND
2015-11-241200-205-1020ND
2015-11-271200-159-0930ND
2015-12-011200-133-0720ND
2015-12-011200-205-1200ND
2015-12-081200-133-0630ND
2015-12-081200-205-1030ND
2015-12-151200-133-0705ND
2015-12-151200-205-1010ND
2015-12-221200-133-0750ND
2015-12-221200-205-0730ND
2015-12-291200-133-0700ND
2015-12-291200-205-1050ND
2016-01-051200-133-0650ND
2016-01-051200-205-1030ND
2016-01-121200-133-1115ND
2016-01-121200-205-0655ND
2016-01-131200-159-1040ND
2016-01-191200-133-0650ND
2016-01-191200-205-1240ND
2016-01-201200-133-0800ND
2016-01-261200-133-1100ND
2016-01-261200-205-1230ND
2016-02-021200-133-0945ND
2016-02-021200-205-1210ND
2016-02-031200-211-1005ND
2016-02-091200-133-0930ND
2016-02-091200-133-1130ND
2016-02-091200-205-0735ND
2016-02-101200-211-1045ND
2016-02-161200-133-1040ND
2016-02-161200-205-0920ND
2016-02-171200-211-1130ND
2016-02-241200-011-1215ND
2016-02-241200-211-1125ND
2016-02-271200-159-0840ND
2016-03-291200-159-1000ND
2016-04-191200-159-0945ND
2016-05-051200-205-0845ND
2016-05-121200-205-0840ND
2016-05-171200-205-1300ND
2016-05-241200-205-1320ND
2016-05-251200-011-1135ND
2016-05-251200-133-1210ND
2016-05-261200-159-1015ND
2016-05-311200-205-1205ND
2016-06-071200-205-1330ND
2016-06-141200-205-1300ND
2016-06-211200-205-1310ND
2016-06-281200-205-1140ND
2016-07-051200-205-1240ND
2016-07-121200-205-0705ND
2016-07-191200-205-0855ND
2016-07-211200-205-1225ND
2016-07-261200-205-0835ND
2016-08-021200-205-0735ND
2016-08-091200-205-0840ND
2016-08-171200-011-1010ND
2016-08-231200-133-1005ND
2016-08-231200-205-1100ND
2016-08-301200-205-0710ND
2016-09-061200-205-0725ND
2016-09-131200-205-1045ND
2016-09-201200-205-0930ND
2016-09-281200-205-1250ND
2016-10-041200-205-0945ND
2016-10-111200-205-1020ND
2016-10-181200-205-0640ND
2016-10-251200-205-1015ND
2016-11-011200-205-0730ND
2016-11-081200-205-0740ND
2016-11-151200-205-0830ND
2016-11-211200-133-1115ND
2016-11-221200-205-1050ND
2016-11-291200-011-0845ND
2016-11-291200-159-1005ND
2016-11-291200-205-1100ND
2016-12-061200-205-1115ND
2016-12-131200-205-0825ND
2016-12-201200-205-1100ND
2016-12-301200-205-1030ND
2017-01-031200-205-1040ND
2017-01-101200-205-1005ND
2017-01-171200-205-1325ND
2017-01-241200-205-1205ND
2017-01-301200-159-1015ND
2017-01-311200-205-1100ND
2017-02-071200-205-1150ND
2017-02-141200-205-1230ND
2017-02-161200-159-0940ND
2017-02-211200-011-1140ND
2017-02-211200-133-1210ND
2017-02-211200-205-1235ND
2017-02-281200-205-1310ND
2017-03-071200-205-1315ND
2017-03-101200-159-0920ND
2017-03-141200-205-1226ND
2017-03-211200-205-1237ND
2017-03-281200-205-1205ND
2017-04-041200-205-1219ND
2017-04-111200-205-1125ND
2017-04-181200-205-0810ND
2017-04-251200-205-0830ND
2017-05-021200-205-1102ND
2017-05-091200-011-0940ND
2017-05-091200-205-1057ND
2017-05-161200-205-1106ND
2017-05-171200-133-0941ND
2017-05-231200-205-1049ND
2017-05-301200-205-1136ND
2017-06-061200-205-1058ND
2017-06-131200-205-1046ND
2017-06-201200-205-1010ND
2017-06-221200-159-0830ND
2017-06-271200-205-1040ND
2017-07-041200-205-1014ND
2017-07-101200-159-1135ND
2017-07-111200-205-1140ND
2017-07-121200-205-1000ND
2017-07-181200-205-1125ND
2017-08-011200-133-0940ND
2017-08-211200-011-1010ND
2017-08-291200-159-1215ND
2017-09-271200-159-1030ND
2017-10-201200-159-1000ND
2017-11-031200-159-1050ND
2017-11-201200-011-1000ND
2017-11-201200-133-1040ND