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EWG's Tap Water Database — 2021 UPDATE

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Ethylbenzene

Irvine Ranch Water District

Ethylbenzene, a component of petroleum, is a volatile cancer-causing chemical primarily used for production of plastics and rubber. Ethylbenzene is also released from gasoline fuel emissions. Read More.

In animal studies, exposure to ethylbenzene causes tumors. Ethylbenzene can also damage lungs, liver, kidneys and the nervous system. The International Agency for Research on Cancer classifies ethylbenzene as “possibly carcinogenic to humans.”

MORE ABOUT THIS CONTAMINANT

 

287

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
2014ND420ND
2015ND480ND
2016ND500ND
2017ND470ND
2018ND530ND
2019ND470ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 300 ppb

The EWG Health Guideline of 300 ppb for ethylbenzene 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) 700 ppb

The legal limit for ethylbenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1950s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-144417-066-0930ND
2014-01-144417-067-1010ND
2014-01-154417-006-1000ND
2014-01-154417-017-1100ND
2014-02-114417-007-1215ND
2014-02-114417-056-1305ND
2014-02-194417-009-1115ND
2014-02-264417-058-1020ND
2014-02-264417-072-0945ND
2014-03-104417-016-0810ND
2014-03-104417-055-0850ND
2014-03-114417-020-0930ND
2014-03-184417-003-0825ND
2014-03-184417-014-0845ND
2014-03-184417-019-0915ND
2014-03-254417-004-0845ND
2014-03-254417-005-0815ND
2014-03-254417-008-0940ND
2014-03-254417-015-0915ND
2014-04-164417-004-0815ND
2014-04-164417-004-0830ND
2014-04-304417-011-0845ND
2014-04-304417-023-1010ND
2014-04-304417-024-1035ND
2014-04-304417-058-1215ND
2014-05-074417-008-0835ND
2014-05-154417-009-0940ND
2014-06-174417-015-0945ND
2014-06-174417-018-0900ND
2014-07-174317-075-1332ND
2014-08-124317-060-1430ND
2014-08-194417-004-1050ND
2014-08-194417-058-1015ND
2014-08-204417-008-0840ND
2014-08-274317-063-0817ND
2014-08-284417-009-1015ND
2014-08-284417-010-1045ND
2014-10-074417-078-1300ND
2014-10-234317-069-1305ND
2014-11-044417-058-1115ND
2014-11-174417-008-1010ND
2014-11-184417-009-0910ND
2015-01-124417-017-0940ND
2015-01-124417-078-1120ND
2015-01-144417-006-0945ND
2015-01-264417-056-1035ND
2015-01-264417-058-1105ND
2015-01-264417-072-1145ND
2015-01-274417-003-1015ND
2015-01-274417-016-0930ND
2015-01-284417-066-1000ND
2015-01-284417-067-1025ND
2015-02-094417-004-0940ND
2015-02-234417-019-0905ND
2015-03-114417-003-0805ND
2015-03-114417-003-0815ND
2015-03-184417-005-0950ND
2015-03-184417-007-1020ND
2015-03-184417-014-0930ND
2015-03-194417-008-0810ND
2015-03-254417-009-1010ND
2015-03-254417-020-0940ND
2015-04-084417-078-1000ND
2015-04-234317-063-0835ND
2015-04-274417-023-1200ND
2015-04-274417-024-1220ND
2015-04-294417-011-0800ND
2015-05-144417-018-0725ND
2015-05-144417-019-1010ND
2015-05-144417-058-1050ND
2015-05-204417-077-0750ND
2015-05-284417-004-0830ND
2015-06-014417-055-1035ND
2015-06-034417-008-0905ND
2015-07-134417-077-1100ND
2015-07-144417-078-0900ND
2015-07-224317-075-1119ND
2015-08-064417-058-0925ND
2015-08-124317-060-1315ND
2015-08-134417-019-0925ND
2015-08-204417-004-0910ND
2015-08-204417-010-0840ND
2015-10-054417-077-0930ND
2015-10-124417-004-0840ND
2015-10-124417-019-1050ND
2015-10-124417-058-1000ND
2015-10-144317-069-1339ND
2015-11-104417-020-0820ND
2015-12-284417-003-0815ND
2015-12-284417-003-0830ND
2016-01-124417-006-0910ND
2016-01-124417-017-0940ND
2016-01-124417-077-1030ND
2016-01-284417-011-0845ND
2016-01-284417-016-0820ND
2016-01-284417-056-1000ND
2016-01-284417-058-1025ND
2016-01-284417-072-0925ND
2016-02-084417-009-0750ND
2016-02-184417-005-0825ND
2016-02-234417-003-0815ND
2016-02-234417-004-0835ND
2016-02-234417-020-0755ND
2016-02-254417-066-0950ND
2016-02-294417-019-0955ND
2016-03-074417-007-1110ND
2016-03-174417-014-1025ND
2016-04-184317-069-1121ND
2016-05-054417-004-0815ND
2016-05-054417-019-0830ND
2016-05-054417-055-0940ND
2016-05-054417-058-1000ND
2016-05-314417-023-0905ND
2016-05-314417-024-0835ND
2016-05-314417-067-1020ND
2016-06-024417-007-0750ND
2016-06-084417-020-0740ND
2016-06-154317-063-0945ND
2016-06-234417-008-0835ND
2016-06-274417-077-0820ND
2016-07-124417-017-1120ND
2016-07-254417-004-0850ND
2016-07-254417-019-0915ND
2016-07-264417-008-0820ND
2016-07-264417-008-0830ND
2016-07-264417-010-0900ND
2016-07-284417-078-1200ND
2016-08-094417-008-0940ND
2016-08-094417-008-0950ND
2016-08-094417-058-1145ND
2016-08-114317-060-1358ND
2016-09-224317-075-1129ND
2016-10-044417-058-1115ND
2016-10-054417-019-0950ND
2016-10-064417-004-0940ND
2016-10-064417-008-0915ND
2016-12-054417-004-0830ND
2016-12-054417-004-0845ND
2016-12-064417-008-0905ND
2016-12-064417-008-0920ND
2017-01-094417-017-0920ND
2017-01-174417-011-0835ND
2017-01-174417-016-0805ND
2017-01-174417-077-1040ND
2017-01-194417-058-0940ND
2017-01-194417-067-0830ND
2017-01-234417-003-0950ND
2017-01-234417-005-1055ND
2017-01-234417-006-0850ND
2017-01-234417-014-1015ND
2017-01-234417-019-1040ND
2017-01-264417-007-0830ND
2017-02-144417-004-0820ND
2017-02-144417-020-1340ND
2017-02-144417-066-0925ND
2017-02-144417-078-1010ND
2017-02-284317-085-1334ND
2017-03-014417-020-0755ND
2017-03-144417-056-1210ND
2017-03-214317-063-1418ND
2017-03-214317-064-1437ND
2017-03-234417-055-1000ND
2017-04-264317-085-1040ND
2017-05-024417-008-1320ND
2017-05-024417-010-0910ND
2017-05-024417-019-1035ND
2017-05-024417-023-0800ND
2017-05-024417-024-0850ND
2017-05-094417-007-0820ND
2017-05-174417-020-1140ND
2017-05-254417-055-1000ND
2017-06-014417-058-1100ND
2017-06-014417-078-1030ND
2017-07-054417-019-0845ND
2017-07-054417-058-0940ND
2017-08-014417-018-0830ND
2017-08-224417-006-0910ND
2017-08-234317-060-1022ND
2017-08-234317-075-0911ND
2017-09-124417-072-1100ND
2017-10-164417-017-0910ND
2017-10-164417-058-1110ND
2017-11-144417-006-0810ND
2017-11-144417-015-0925ND
2017-11-144417-015-0935ND
2017-11-144417-019-0900ND
2017-12-044417-009-0820ND
2018-02-064417-006-0800ND
2018-02-064417-017-0720ND
2018-02-074417-011-0810ND
2018-02-074417-016-1000ND
2018-02-084417-005-0800ND
2018-02-084417-019-0840ND
2018-02-144317-085-1413ND
2018-02-154417-014-0835ND
2018-02-154417-067-0915ND
2018-02-204417-003-1220ND
2018-02-204417-009-0810ND
2018-02-204417-015-0845ND
2018-02-204417-056-1045ND
2018-02-204417-058-1115ND
2018-02-204417-072-1005ND
2018-02-274317-069-1110ND
2018-03-014417-077-1025ND
2018-03-054317-060-1433ND
2018-03-084417-066-0945ND
2018-03-084317-075-1136ND
2018-03-204417-008-0905ND
2018-03-204317-063-0820ND
2018-04-094417-006-0930ND
2018-04-164317-069-1246ND
2018-04-184417-007-0910ND
2018-04-194417-014-0920ND
2018-04-194417-015-0940ND
2018-04-194417-015-0950ND
2018-04-194317-085-1225ND
2018-04-304417-023-0825ND
2018-04-304417-024-0810ND
2018-04-304417-055-1305ND
2018-04-304417-058-1330ND
2018-04-304417-078-0925ND
2018-05-244417-008-0805ND
2018-06-114417-020-1110ND
2018-06-194417-003-0830ND
2018-06-194417-018-0755ND
2018-07-194417-003-1035ND
2018-07-254417-008-0745ND
2018-08-014417-014-0830ND
2018-08-014417-015-0800ND
2018-08-024417-058-1110ND
2018-08-134317-069-1111ND
2018-10-094417-058-1315ND
2018-10-114417-003-1000ND
2018-10-114417-006-1100ND
2018-10-114417-014-0940ND
2018-10-114417-015-0920ND
2018-11-064417-008-1000ND
2018-11-124317-069-1015ND
2018-12-184417-008-0750ND
2018-12-184417-008-0800ND
2019-01-074417-006-0940ND
2019-01-094417-056-0935ND
2019-01-094417-067-1000ND
2019-01-094417-078-0910ND
2019-01-224417-003-1130ND
2019-01-224417-005-0915ND
2019-01-224417-009-0850ND
2019-01-224417-011-0830ND
2019-01-224417-014-0940ND
2019-01-224417-016-1010ND
2019-02-064417-024-0920ND
2019-02-134317-060-1135ND
2019-02-214417-007-1155ND
2019-02-214417-008-1220ND
2019-02-214417-015-1105ND
2019-02-214417-018-1130ND
2019-02-214417-020-1250ND
2019-02-214417-058-1015ND
2019-02-214417-072-1030ND
2019-02-214417-077-0940ND
2019-02-274317-085-0941ND
2019-03-064417-017-0835ND
2019-03-144317-063-0935ND
2019-03-144317-064-0943ND
2019-03-204317-075-1300ND
2019-03-254417-066-1110ND
2019-04-114417-058-1035ND
2019-04-154417-015-0900ND
2019-04-154417-023-1310ND
2019-04-164417-003-0830ND
2019-04-164417-008-0805ND
2019-06-274417-010-0745ND
2019-07-174417-003-0850ND
2019-07-174317-085-1413ND
2019-08-014417-058-1040ND
2019-08-084417-015-1000ND
2019-09-054417-055-1405ND
2019-09-184417-004-1030ND
2019-10-034417-058-1135ND
2019-10-074417-003-0955ND
2019-10-074417-004-0935ND
2019-10-074417-015-0855ND
2019-10-074417-017-1130ND
2019-11-124417-003-0755ND
2019-11-124417-003-0800ND
2019-11-124417-004-0815ND
2019-11-124417-004-0820ND