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EWG's Tap Water Database — 2019 UPDATE

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1,2,3-Trichloropropane

City of San Clemente

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND40ND
2014ND60ND
2015ND30ND
2016ND20ND
2017ND20ND

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
2012-01-181805-021-1020ND
2013-09-113I11048-03AND
2013-09-113I11048-01AND
2013-12-093L09134-01AND
2013-12-093L09134-03AND
2014-03-104C10057-03AND
2014-03-104C10057-01AND
2014-03-121805-021-0925ND
2014-04-091805-004-1010ND
2014-06-184F18051-03AND
2014-06-184F18051-01AND
2015-03-111805-021-1105ND
2015-07-295G29085-01AND
2015-12-025L02070-01AND
2016-03-111805-021-1045ND
2016-05-171805-004-1040ND
2017-03-081805-021-1120ND
2017-05-011805-004-0000ND