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EWG's Tap Water Database — 2019 UPDATE

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1,2,3-Trichloropropane

Sierra Madre Water Department

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.

 

74

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.00267 ppb31ND - 0.00800 ppb
20130.000833 ppb121ND - 0.01000 ppb
2014ND120ND
2015ND160ND
2016ND150ND
2017ND160ND

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
2012-05-143761-003-0800ND
2012-05-143761-005-08000.00800 ppb
2012-05-143761-006-0800ND
2013-05-063761-006-0800ND
2013-05-063761-005-08000.01000 ppb
2013-06-133F14032-02AND
2013-06-133F14032-01AND
2013-06-263761-003-0800ND
2013-09-093761-004-0800ND
2013-11-043761-003-0800ND
2013-11-043761-006-0800ND
2013-11-043761-005-0800ND
2013-12-233L23104-01AND
2013-12-233L23104-03AND
2013-12-303761-004-0800ND
2014-02-033761-005-0800ND
2014-02-033761-003-0800ND
2014-02-033761-006-0800ND
2014-02-033761-004-0800ND
2014-05-053761-006-0800ND
2014-05-053761-003-0800ND
2014-05-053761-005-0800ND
2014-05-053761-004-0800ND
2014-08-043761-003-0800ND
2014-08-043761-004-0800ND
2014-08-043761-005-0800ND
2014-08-043761-006-0800ND
2015-02-023761-005-0800ND
2015-02-023761-004-0800ND
2015-02-023761-003-0800ND
2015-02-023761-006-0800ND
2015-05-043761-006-0800ND
2015-05-043761-004-0800ND
2015-05-043761-003-0800ND
2015-05-043761-005-0800ND
2015-08-053761-003-0800ND
2015-08-053761-006-0800ND
2015-08-053761-005-0800ND
2015-08-053761-004-0800ND
2015-11-023761-004-0800ND
2015-11-023761-006-0800ND
2015-11-023761-005-0800ND
2015-11-023761-003-0800ND
2016-02-013761-003-0800ND
2016-02-013761-004-0800ND
2016-02-013761-005-0800ND
2016-05-023761-003-0800ND
2016-05-023761-005-0800ND
2016-05-023761-006-0800ND
2016-05-023761-004-0800ND
2016-08-013761-006-0800ND
2016-08-013761-003-0800ND
2016-08-013761-005-0800ND
2016-08-013761-004-0800ND
2016-11-073761-006-0800ND
2016-11-073761-003-0800ND
2016-11-073761-005-0800ND
2016-11-073761-004-0800ND
2017-02-063761-005-0800ND
2017-02-063761-004-0800ND
2017-02-063761-003-0800ND
2017-02-063761-006-0800ND
2017-05-013761-005-0800ND
2017-05-013761-003-0800ND
2017-05-013761-004-0800ND
2017-05-013761-006-0800ND
2017-08-013761-003-0800ND
2017-08-013761-004-0800ND
2017-08-013761-006-0800ND
2017-08-013761-005-0800ND
2017-11-073761-003-0800ND
2017-11-073761-004-0800ND
2017-11-073761-006-0800ND
2017-11-073761-005-0800ND