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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Liberty Park Water Association

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND60ND
2018ND20ND
2019ND20ND

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
2014-01-284417-001-1350ND
2014-04-024417-001-1240ND
2014-08-064417-001-1220ND
2014-10-224417-001-1115ND
2015-01-054417-001-1150ND
2015-04-024417-001-1150ND
2015-07-014417-001-0840ND
2015-10-074417-001-1120ND
2016-01-134417-001-1215ND
2016-04-044417-001-1435ND
2016-07-054417-001-1400ND
2016-11-144417-001-1115ND
2017-01-044417-001-1300ND
2017-02-024417-001-1100ND
2017-04-244417-001-1120ND
2017-07-064417-001-1300ND
2017-09-114417-001-1240ND
2017-10-034417-001-1140ND
2018-01-024417-001-1250ND
2018-04-044417-001-1300ND
2019-01-024417-001-1100ND
2019-06-244417-001-1350ND