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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Downey Water Department

1,2,3-Trichloropropane is a potent carcinogen that contaminates drinking water in agricultural regions where it was historically used as soil fumigant. Click here to read more about carcinogenic VOCs.

MORE ABOUT THIS CONTAMINANT

 

108

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND90ND
2016ND170ND
2017ND30ND
2018ND790ND
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.0007 ppb

The EWG Health Guideline of 0.0007 ppb for 1,2,3-trichloropropane 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 cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2015-02-24B5B2374-04ND
2015-02-24B5B2374-07ND
2015-02-24B5B2374-13ND
2015-02-24B5B2374-10ND
2015-02-24B5B2374-01ND
2015-08-13B5H1452-04ND
2015-08-13B5H1452-07ND
2015-08-13B5H1452-10ND
2015-08-13B5H1452-01ND
2016-09-092706-005-0858ND
2016-09-092706-007-1013ND
2016-09-092706-009-0836ND
2016-09-092706-011-0810ND
2016-09-092706-012-0957ND
2016-09-092706-014-1040ND
2016-09-092706-016-0745ND
2016-09-092706-032-0934ND
2016-09-092706-033-0722ND
2016-09-152706-017-0855ND
2016-09-152706-018-0835ND
2016-09-152706-019-0748ND
2016-09-152706-020-0730ND
2016-09-152706-024-0701ND
2016-09-152706-025-0551ND
2016-09-152706-026-0645ND
2016-09-152706-030-0615ND
2017-02-282706-021-0830ND
2017-11-219588-010-1100ND
2017-12-129588-029-1032ND
2018-02-139588-010-0945ND
2018-03-139588-005-1156ND
2018-03-139588-007-1216ND
2018-03-139588-009-1126ND
2018-03-139588-011-1051ND
2018-03-139588-014-0941ND
2018-03-139588-016-1016ND
2018-03-139588-032-1111ND
2018-03-139588-033-1001ND
2018-03-149588-012-1131ND
2018-03-149588-017-0145ND
2018-03-149588-019-1038ND
2018-03-149588-021-0951ND
2018-03-149588-026-0836ND
2018-03-149588-029-0920ND
2018-03-269588-018-1107ND
2018-03-269588-025-1035ND
2018-03-289588-020-1235ND
2018-03-289588-030-1438ND
2018-03-299588-024-1257ND
2018-05-019588-010-1150ND
2018-05-019588-019-1159ND
2018-05-019588-029-1356ND
2018-05-019588-032-1300ND
2018-05-029588-005-1207ND
2018-05-029588-007-1237ND
2018-05-029588-009-1000ND
2018-05-029588-011-1111ND
2018-05-029588-012-1257ND
2018-05-029588-014-1315ND
2018-05-029588-016-1045ND
2018-05-029588-033-1338ND
2018-05-039588-017-1220ND
2018-05-039588-018-1142ND
2018-05-039588-021-1045ND
2018-05-039588-025-0820ND
2018-05-039588-026-1013ND
2018-05-039588-030-0938ND
2018-05-099588-024-0930ND
2018-05-299588-020-1240ND
2018-08-039588-033-1355ND
2018-08-079588-005-0810ND
2018-08-079588-007-0910ND
2018-08-079588-009-0910ND
2018-08-079588-010-0910ND
2018-08-079588-011-0910ND
2018-08-079588-012-0910ND
2018-08-079588-014-0910ND
2018-08-079588-016-0910ND
2018-08-079588-032-0910ND
2018-08-089588-017-1118ND
2018-08-089588-018-1046ND
2018-08-089588-019-1013ND
2018-08-089588-020-0959ND
2018-08-089588-021-0911ND
2018-08-089588-025-0809ND
2018-08-089588-026-0850ND
2018-08-089588-029-0839ND
2018-08-089588-030-0828ND
2018-08-099588-024-0912ND
2018-10-239588-018-1314ND
2018-11-069588-005-0840ND
2018-11-069588-007-0815ND
2018-11-069588-009-0920ND
2018-11-069588-012-1045ND
2018-11-069588-014-1025ND
2018-11-069588-016-1110ND
2018-11-069588-017-1052ND
2018-11-069588-019-1015ND
2018-11-069588-020-0948ND
2018-11-069588-021-0915ND
2018-11-069588-025-0755ND
2018-11-069588-026-0856ND
2018-11-069588-030-0810ND
2018-11-069588-032-0900ND
2018-11-069588-033-1135ND
2018-11-079588-011-0945ND
2018-11-139588-024-0800ND
2018-12-209588-024-1230ND