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EWG's Tap Water Database — 2021 UPDATE

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1,2,4-Trichlorobenzene

City of Santa Ana

1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.

MORE ABOUT THIS CONTAMINANT

 

179

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
2014ND310ND
2015ND270ND
2016ND360ND
2017ND280ND
2018ND240ND
2019ND330ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 5 ppb

The EWG Health Guideline of 5 ppb for 1,2,4-trichlorobenzene 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 hormone disruption.

EPA Maximum Contaminant
Level (MCL) 70 ppb

The legal limit for 1,2,4-trichlorobenzene, established in 1992, was based on a toxicity study in laboratory animals conducted in 1981. This limit may not fully protect against hormone disruption.

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-184417-018-1055ND
2014-02-184417-019-1215ND
2014-02-184417-021-0820ND
2014-02-184417-022-0905ND
2014-02-184417-027-1400ND
2014-02-184417-028-1415ND
2014-02-184417-029-1030ND
2014-02-184417-030-0845ND
2014-02-184417-033-1010ND
2014-02-184417-034-1520ND
2014-02-184417-037-1255ND
2014-02-184417-038-0730ND
2014-02-184417-039-1335ND
2014-02-184417-061-1230ND
2014-02-184417-073-1435ND
2014-02-184417-074-0940ND
2014-03-114417-025-0815ND
2014-03-114417-031-0855ND
2014-05-204417-018-1015ND
2014-05-204417-019-0835ND
2014-05-204417-025-0810ND
2014-05-204417-074-1005ND
2014-08-204417-018-0915ND
2014-08-204417-019-0645ND
2014-08-204417-025-0725ND
2014-08-204417-035-0710ND
2014-08-204417-074-0925ND
2014-11-134417-018-0900ND
2014-11-134417-019-0840ND
2014-11-134417-025-0820ND
2014-12-184417-026-0800ND
2015-02-244417-018-1110ND
2015-02-244417-019-0840ND
2015-02-244417-028-0905ND
2015-02-244417-029-1145ND
2015-02-244417-031-0950ND
2015-02-244417-033-1135ND
2015-02-244417-034-1215ND
2015-02-244417-037-0810ND
2015-02-244417-038-0735ND
2015-02-244417-039-1020ND
2015-02-244417-073-0940ND
2015-03-184417-025-0745ND
2015-03-184417-061-0805ND
2015-05-194417-019-0840ND
2015-05-194417-021-0705ND
2015-05-194417-022-0735ND
2015-05-194417-025-0805ND
2015-05-194417-026-1010ND
2015-05-194417-030-0720ND
2015-05-194417-074-1050ND
2015-06-164417-027-0635ND
2015-08-124417-018-0625ND
2015-08-124417-019-0525ND
2015-08-124417-025-0510ND
2015-08-124417-035-0540ND
2015-11-174417-019-0840ND
2015-11-174417-025-0820ND
2016-02-164417-019-0910ND
2016-02-164417-025-0855ND
2016-02-164417-026-1110ND
2016-02-164417-027-1000ND
2016-02-164417-028-0950ND
2016-02-164417-031-1045ND
2016-02-164417-033-1220ND
2016-02-164417-034-1135ND
2016-02-164417-037-0835ND
2016-02-164417-038-0750ND
2016-02-164417-039-1025ND
2016-02-164417-061-0915ND
2016-02-164417-073-1245ND
2016-03-074417-029-0810ND
2016-05-244417-019-0945ND
2016-05-244417-021-0820ND
2016-05-244417-022-0905ND
2016-05-244417-025-0925ND
2016-05-244417-030-0840ND
2016-05-244417-074-1155ND
2016-07-074417-025-0630ND
2016-07-074417-025-0640ND
2016-07-074417-030-0600ND
2016-07-074417-030-0605ND
2016-08-034417-018-0800ND
2016-08-034417-019-0915ND
2016-08-034417-028-0955ND
2016-08-034417-033-1100ND
2016-08-034417-034-0710ND
2016-08-034417-035-0830ND
2016-08-034417-037-0845ND
2016-08-034417-038-1025ND
2016-10-314417-018-0805ND
2016-10-314417-019-0825ND
2016-10-314417-025-0835ND
2016-10-314417-033-0915ND
2017-02-274417-019-0815ND
2017-02-274417-025-0850ND
2017-02-274417-026-1025ND
2017-02-274417-027-0920ND
2017-02-274417-031-1005ND
2017-02-274417-039-0945ND
2017-02-274417-061-0835ND
2017-05-164417-019-0950ND
2017-05-164417-021-1140ND
2017-05-164417-022-1205ND
2017-05-164417-025-0830ND
2017-05-164417-028-0915ND
2017-05-164417-030-1150ND
2017-05-164417-031-1040ND
2017-05-164417-034-0750ND
2017-05-164417-035-0940ND
2017-05-164417-037-1230ND
2017-05-164417-038-1115ND
2017-05-164417-074-1020ND
2017-06-014417-073-0915ND
2017-08-084417-019-0610ND
2017-08-084417-025-0635ND
2017-08-084417-073-0715ND
2017-08-084417-073-0725ND
2017-09-194417-073-1100ND
2017-09-194417-073-1110ND
2017-11-144417-019-0930ND
2017-11-144417-025-0855ND
2018-02-214417-019-0700ND
2018-02-214417-025-0630ND
2018-02-214417-026-0950ND
2018-02-214417-027-0750ND
2018-02-214417-039-0830ND
2018-02-214417-061-0725ND
2018-04-264417-035-0815ND
2018-05-154417-019-0845ND
2018-05-154417-021-0750ND
2018-05-154417-022-1240ND
2018-05-154417-025-1050ND
2018-05-154417-028-0920ND
2018-05-154417-031-0950ND
2018-05-154417-034-1215ND
2018-05-154417-037-0815ND
2018-05-154417-074-1015ND
2018-06-204417-030-0815ND
2018-08-214417-019-0635ND
2018-08-214417-025-0655ND
2018-10-114417-038-0800ND
2018-11-064417-019-1105ND
2018-11-064417-025-1050ND
2018-11-064417-038-1025ND
2018-11-064417-038-1035ND
2019-03-114417-021-0840ND
2019-03-114417-025-0925ND
2019-03-114417-026-1140ND
2019-03-114417-027-1030ND
2019-03-114417-028-1020ND
2019-03-114417-031-1110ND
2019-03-114417-035-1000ND
2019-03-114417-037-0905ND
2019-03-114417-038-0815ND
2019-03-114417-039-1055ND
2019-03-114417-061-0940ND
2019-03-114417-074-1200ND
2019-03-204417-030-1335ND
2019-03-204417-035-1310ND
2019-03-204417-035-1320ND
2019-04-234417-035-0740ND
2019-04-234417-035-0750ND
2019-05-074417-035-0740ND
2019-05-074417-035-0745ND
2019-05-294417-019-1130ND
2019-05-294417-025-0825ND
2019-07-234417-019-0840ND
2019-07-234417-019-0845ND
2019-07-234417-025-0915ND
2019-07-234417-033-0750ND
2019-07-234417-034-1020ND
2019-07-234417-035-0855ND
2019-09-174417-073-0815ND
2019-11-054417-019-1105ND
2019-11-054417-022-1030ND
2019-11-054417-025-1125ND
2019-11-054417-073-0955ND
2019-11-054417-073-1505ND