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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

City of Hewitt

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

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND40ND
2014ND90ND
2015ND30ND
2016ND30ND
2017ND60ND
2018ND30ND
2019ND30ND

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
2013-10-09Q1308728001ND
2013-10-09Q1308728007ND
2013-10-09Q1308728003ND
2013-10-09Q1308728005ND
2014-01-14AC38667ND
2014-01-14AC38669ND
2014-01-14AC38671ND
2014-01-14AC38665ND
2014-04-17Q1412218001ND
2014-04-17Q1412218005ND
2014-04-17Q1412218007ND
2014-04-17Q1412218003ND
2014-07-29Q1431973001ND
2015-03-23AC85655ND
2015-03-23AC85649ND
2015-03-23AC85645ND
2016-01-20AD19012ND
2016-01-20AD19002ND
2016-04-06AD32129ND
2017-04-03AD78107ND
2017-04-03AD78087ND
2017-10-09AD99864ND
2017-10-09AD99814ND
2017-10-31AE03252ND
2017-10-31AE03236ND
2018-02-07AE12765ND
2018-04-19AE23263ND
2018-04-19AE23265ND
2019-02-12AE54094ND
2019-02-12AE54084ND
2019-02-12AE54098ND