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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

California Water Service Company - Dominguez

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

 

100

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND340ND
2015ND60ND
2016ND110ND
2017ND10ND
2018ND380ND
2019ND100ND

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
2014-01-085701-805-1118ND
2014-01-295701-023-1000ND
2014-02-125701-805-1146ND
2014-02-195701-018-1043ND
2014-03-125701-805-1120ND
2014-03-195701-004-1400ND
2014-03-195701-019-1415ND
2014-04-02201404030202AMND
2014-04-02201404030190AMND
2014-04-02201404030215AMND
2014-04-095701-805-1126ND
2014-04-16201404161020AMND
2014-04-16201404161015AMND
2014-04-16201404161006AMND
2014-05-145701-805-1117ND
2014-05-305701-058-1600ND
2014-06-115701-805-1149ND
2014-06-255701-019-0945ND
2014-06-255701-024-1100ND
2014-07-095701-004-0930ND
2014-07-165701-805-1050ND
2014-07-17201407170900AMND
2014-07-17201407170891AMND
2014-07-235701-050-1345ND
2014-10-01201410010680AMND
2014-10-01201410010696AMND
2014-10-15201410160144AMND
2014-10-15201410160129AMND
2014-10-15201410160153AMND
2014-10-22201410220557AMND
2014-10-22201410220543AMND
2014-10-31201410310235AMND
2014-11-195701-805-1120ND
2014-11-245701-018-1032ND
2015-01-07201501070702AMND
2015-01-07201501080023AMND
2015-01-08201501080799AMND
2015-01-14201501141133AMND
2015-01-14201501141020AMND
2015-07-155701-019-1110ND
2016-01-135701-023-1312ND
2016-03-239590-018-1340ND
2016-07-135701-050-1335ND
2016-08-175701-018-1322ND
2016-08-175701-004-1350ND
2016-12-145701-004-1255ND
2016-12-145701-018-1200ND
2016-12-145701-023-1110ND
2016-12-215701-016-1245ND
2016-12-289590-019-0930ND
2016-12-285701-019-0955ND
2017-03-089590-019-1430ND
2018-03-085701-036-1315ND
2018-03-085701-004-1105ND
2018-03-085701-019-1015ND
2018-03-085701-023-1130ND
2018-03-085701-024-1045ND
2018-03-125701-018-1140ND
2018-03-125701-016-1520ND
2018-03-155701-022-1355ND
2018-04-245810-018-1105ND
2018-04-245810-004-1140ND
2018-04-245810-036-1435ND
2018-04-245810-024-1020ND
2018-04-245810-023-1310ND
2018-05-015701-022-1106ND
2018-05-015701-016-1430ND
2018-05-075701-050-1315ND
2018-05-075701-019-0900ND
2018-07-189590-019-1450ND
2018-07-189590-023-1130ND
2018-07-189590-022-1530ND
2018-07-189590-036-1346ND
2018-07-269590-004-1330ND
2018-07-269590-024-1400ND
2018-07-269590-016-1245ND
2018-08-019590-050-1040ND
2018-08-085701-048-1435ND
2018-08-085701-018-1430ND
2018-08-095701-048-1425ND
2018-08-095701-018-1420ND
2018-10-109590-024-1435ND
2018-10-109590-004-1340ND
2018-10-109590-036-1430ND
2018-10-109590-018-1410ND
2018-10-109590-016-1340ND
2018-10-179590-050-1051ND
2018-10-189590-019-1050ND
2018-10-189590-022-1211ND
2018-10-189590-023-1124ND
2019-01-235810-023-0930ND
2019-02-219590-065-1345ND
2019-03-185701-024-1100ND
2019-03-259590-050-1130ND
2019-07-225810-050-1345ND
2019-08-285810-018-1105ND
2019-08-285810-004-1300ND
2019-08-285810-036-1440ND
2019-09-255810-016-1300ND
2019-10-095701-019-1025ND