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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Mililani

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

 

48

Samples

0

Samples exceeding legal limit (MCL)

16

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND30ND
20140.325 ppb167ND - 2.80 ppb
2015N/A00N/A
20160.0600 ppb62ND - 0.220 ppb
20170.410 ppb62ND - 2.10 ppb
20180.0529 ppb71ND - 0.370 ppb
20190.328 ppb104ND - 2.50 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
2013-12-09201312100351AMND
2013-12-09201312100349AMND
2013-12-11201312130549AMND
2014-02-11201402140316ND
2014-02-18201402200344ND
2014-02-18201402200346ND
2014-02-252014022802942.80 ppb
2014-04-072014040904870.180 ppb
2014-04-07201404090488ND
2014-06-04201406100327AM0.0570 ppb
2014-06-16201406180441AMND
2014-06-16201406180439AMND
2014-07-082014071006160.0790 ppb
2014-07-08201407100617ND
2014-07-23C14-07-0149A1.96 ppb
2014-07-312014080102790.0620 ppb
2014-10-16201410170321ND
2014-10-242014102801620.0580 ppb
2014-10-31201411040540ND
2016-01-14ND
2016-01-140.220 ppb
2016-04-110.140 ppb
2016-04-11ND
2016-07-13ND
2016-10-03ND
2017-02-01ND
2017-02-09ND
2017-08-030.360 ppb
2017-11-01ND
2017-11-01ND
2017-11-142.10 ppb
2018-01-11201712280237ND
2018-04-10201804130364ND
2018-04-10201804130363ND
2018-07-112018071402230.370 ppb
2018-09-13201809060455ND
2018-10-24201810260096ND
2018-10-24201810260095ND
2019-01-29201901300202ND
2019-01-29201901300201ND
2019-03-122019030201352.50 ppb
2019-04-122019041601730.250 ppb
2019-04-12201904160171ND
2019-06-27201906190032ND
2019-08-212019082206650.270 ppb
2019-08-212019082206640.260 ppb
2019-10-14201910160312ND
2019-10-14201910160311ND