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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Green Valley SUD

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

 

42

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND220ND
2014ND30ND
2015ND30ND
2016ND40ND
2017ND50ND
2018ND30ND
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
2013-01-221301548-005DND
2013-01-221301548-009DND
2013-01-221301548-013DND
2013-01-221301548-011DND
2013-01-221301548-015DND
2013-01-221301548-007DND
2013-02-201301548-041AND
2013-02-201301548-043AND
2013-04-251304897-007DND
2013-04-251304897-005DND
2013-04-251304897-001DND
2013-04-251304897-003DND
2013-07-16Q1303745015ND
2013-07-16Q1303745019ND
2013-07-16Q1303745005ND
2013-07-16Q1303745017ND
2013-07-16Q1303745001ND
2013-07-16Q1303745003ND
2013-07-25Q1304284001ND
2013-10-29Q1310017001ND
2013-10-29Q1310017005ND
2013-10-29Q1310017003ND
2014-04-03AC49284ND
2014-04-03AC49282ND
2014-07-14AC59536ND
2015-04-15AC88396ND
2015-04-15AC88408ND
2015-07-22AD00642ND
2016-01-20AD18974ND
2016-04-06AD32077ND
2016-06-07AD39632ND
2016-09-16AD50153ND
2017-01-30AD67621ND
2017-01-30AD67581ND
2017-01-30AD67633ND
2017-04-20AD80434ND
2017-04-20AD80390ND
2018-01-26AE11022ND
2018-04-18AE23018ND
2018-04-18AE23016ND
2019-02-05AE52927ND
2019-02-05AE52955ND