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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Kaanapali

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)

9

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND40ND
20140.161 ppb94ND - 0.600 ppb
2015N/A00N/A
20160.186 ppb94ND - 0.660 ppb
20170.0183 ppb61ND - 0.110 ppb
2018ND40ND
2019ND40ND

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
2013-02-19100360PND
2013-02-19100359PND
2013-08-19101906PND
2013-08-19101905PND
2014-03-03C14-03-0009AND
2014-04-15C14-04-0153AND
2014-05-29C14-05-0159A0.290 ppb
2014-05-29C14-05-0160A0.430 ppb
2014-05-29C14-05-0161A0.600 ppb
2014-08-05C14-08-0051AND
2014-10-06C14-10-0032AND
2014-10-08C14-10-0071AND
2014-10-08C14-10-0072A0.130 ppb
2016-02-23ND
2016-05-17ND
2016-06-280.660 ppb
2016-06-28ND
2016-06-280.290 ppb
2016-06-280.280 ppb
2016-06-280.440 ppb
2016-07-12ND
2016-10-05ND
2017-01-25ND
2017-01-250.110 ppb
2017-05-08ND
2017-07-18ND
2017-07-18ND
2017-10-10ND
2018-01-16C18-01-0006AND
2018-04-16C18-04-0096AND
2018-07-09C18-07-0143AND
2018-10-09C18-10-0033AND
2019-01-29C19-02-0001AND
2019-04-30C19-05-0003AND
2019-07-30C19-08-0004AND
2019-10-08C19-10-0020AND