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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Serrano Water District

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND40ND
2017ND40ND
2018ND50ND
2019ND40ND

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
2014-05-214417-005-1105ND
2014-05-224417-007-0855ND
2015-05-064417-005-0920ND
2015-05-074417-007-0905ND
2016-06-134417-007-0925ND
2016-06-144417-005-1135ND
2016-08-084417-007-0810ND
2016-08-084417-005-1305ND
2017-05-034417-005-0840ND
2017-05-034417-007-1045ND
2017-11-014417-005-0825ND
2017-11-014417-007-1145ND
2018-03-054417-005-0950ND
2018-03-284417-007-0905ND
2018-06-074417-007-0940ND
2018-06-284417-005-0850ND
2018-08-274417-005-1105ND
2019-02-064417-005-1015ND
2019-02-064417-007-1245ND
2019-04-234417-005-0945ND
2019-04-234417-007-1250ND