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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Coachella Water Authority

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

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND240ND
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
2014-04-03B4D0472-11ND
2014-04-03B4D0472-01ND
2014-04-03B4D0472-03ND
2014-04-03B4D0472-05ND
2014-04-03B4D0472-09ND
2014-04-03B4D0472-07ND
2014-10-08B4J0955-01ND
2014-10-08B4J0955-03ND
2014-10-08B4J0955-09ND
2014-10-08B4J0955-07ND
2014-10-08B4J0955-05ND
2014-10-08B4J0955-11ND
2018-03-124790-020-0845ND
2018-03-124790-019-0915ND
2018-03-124790-018-0840ND
2018-03-124790-012-0935ND
2018-03-124790-010-0815ND
2018-03-124790-009-0900ND
2018-06-084790-020-1100ND
2018-06-084790-009-1145ND
2018-06-084790-019-1115ND
2018-06-084790-018-1045ND
2018-06-084790-012-1000ND
2018-06-084790-010-1030ND
2018-09-214790-019-1125ND
2018-09-214790-020-1030ND
2018-09-214790-018-1020ND
2018-09-214790-012-0940ND
2018-09-214790-010-1000ND
2018-09-214790-009-1045ND
2018-12-064790-019-1000ND
2018-12-064790-020-1250ND
2018-12-064790-018-1300ND
2018-12-064790-012-1050ND
2018-12-064790-010-1340ND
2018-12-064790-009-0940ND