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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Kalaheo-Koloa

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

 

61

Samples

0

Samples exceeding legal limit (MCL)

23

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.0267 ppb92ND - 0.140 ppb
20140.0833 ppb1811ND - 0.230 ppb
2015ND10ND
20160.140 ppb440.130 ppb - 0.150 ppb
2017ND10ND
20180.0209 ppb224ND - 0.140 ppb
20190.0500 ppb62ND - 0.170 ppb

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
2013-11-14201311200635AM0.140 ppb
2013-11-14201311200584AM0.1000 ppb
2013-11-14201311200587AMND
2013-11-15201311200637AMND
2013-11-15201311200529AMND
2013-11-15201311200549AMND
2013-11-15201311200546AMND
2013-11-15201311200639AMND
2013-11-19201311200536AMND
2014-02-04C14-02-0051A0.110 ppb
2014-02-04C14-02-0050A0.150 ppb
2014-04-15C14-04-0155A0.230 ppb
2014-04-15C14-04-0154A0.160 ppb
2014-05-14201405160432AMND
2014-05-14201405160428AMND
2014-05-14201405160430AMND
2014-05-14201405160301AMND
2014-05-14201405160436AMND
2014-05-19201405210824AM0.0300 ppb
2014-05-19201405210798AMND
2014-05-19201405210830AM0.170 ppb
2014-05-19201405210832AM0.110 ppb
2014-07-21C14-07-0135A0.170 ppb
2014-07-21C14-07-0134A0.130 ppb
2014-08-13201408150392AMND
2014-09-10C14-09-0060A0.110 ppb
2014-10-20C14-10-0100A0.130 ppb
2015-08-06201508070222AMND
2016-01-250.130 ppb
2016-06-290.130 ppb
2016-07-130.150 ppb
2016-10-030.150 ppb
2017-05-16ND
2018-01-29201801310036ND
2018-01-29201801000000ND
2018-02-20C18-02-0087A0.120 ppb
2018-04-18C18-04-0196AND
2018-04-18C18-04-0203AND
2018-04-18C18-04-0197AND
2018-04-18C18-04-0202AND
2018-04-18C18-04-0198AND
2018-06-04C18-06-0018AND
2018-06-04C18-06-0017AND
2018-06-05C18-06-0041A0.0700 ppb
2018-06-05C18-06-0040A0.130 ppb
2018-06-05C18-06-0039AND
2018-09-10C18-09-0196A0.140 ppb
2018-09-11C18-09-0212AND
2018-09-11C18-09-0213AND
2018-09-11C18-09-0214AND
2018-09-12C18-09-0241AND
2018-09-12C18-09-0240AND
2018-09-12C18-09-0239AND
2018-09-12C18-09-0238AND
2018-09-12C18-09-0242AND
2019-01-30201901310193ND
2019-06-17C19-06-0041A0.130 ppb
2019-06-17C19-06-0040A0.170 ppb
2019-06-19C19-06-0082AND
2019-07-17C19-07-0158AND
2019-10-21C19-10-0076AND