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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Ladd Water

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND10ND
2016ND40ND
2017ND10ND
2018ND10ND
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
2014-04-2114113000301ND
2014-06-0514157003101ND
2015-04-2015113010701ND
2016-05-2316147000901ND
2016-05-2316147000701ND
2016-05-2316147000801ND
2016-05-2316147001001ND
2017-04-1817109001501ND
2018-05-2118144009101ND
2019-04-1719108005201ND
2019-04-1719108005101ND
2019-04-1719108005001ND
2019-04-1719108005301ND