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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

City of Deer Park

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

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND40ND
2014ND150ND
2015ND20ND
2016ND40ND
2017ND60ND
2018ND10ND
2019ND20ND

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
2013-11-19Q1314128007ND
2013-11-19Q1314128005ND
2013-11-20Q1314128003ND
2013-11-20Q1314128001ND
2014-02-10AC41938ND
2014-02-10AC41960ND
2014-02-10AC41964ND
2014-03-10Q1407617005ND
2014-03-10Q1407617001ND
2014-03-10Q1407617007ND
2014-03-10Q1407617003ND
2014-05-19Q1417018005ND
2014-05-19Q1417018001ND
2014-05-19Q1417018003ND
2014-05-20Q1417018007ND
2014-08-19Q1437864005ND
2014-08-19Q1437864007ND
2014-08-19Q1437864003ND
2014-08-20Q1437864001ND
2015-02-12AC80445ND
2015-02-12AC80443ND
2016-01-27AD20475ND
2016-01-27AD20401ND
2016-06-17AD41185ND
2016-10-04AD52479ND
2017-01-19AD65783ND
2017-01-19AD65727ND
2017-01-19AD65719ND
2017-01-19AD65789ND
2017-01-19AD65795ND
2017-01-19AD65737ND
2018-09-10AE39354ND
2019-01-16AE50220ND
2019-01-16AE50186ND