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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

City of Davis

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

 

61

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND240ND
2015ND10ND
2016ND20ND
2017ND10ND
2018ND320ND
2019ND10ND

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
2014-01-06A3L2010-05AND
2014-01-06A3L2010-17AND
2014-01-06A3L2010-33AND
2014-01-06A3L2010-25AND
2014-01-06A3L2010-29AND
2014-01-06A3L2010-21AND
2014-01-06A3L2010-41AND
2014-01-06A3L2010-01AND
2014-01-06A3L2010-09AND
2014-01-06A3L2010-37AND
2014-01-07A3L2010-13AND
2014-04-08A4C2096-01AND
2014-08-13A4F2265-51AND
2014-08-13A4F2265-16AND
2014-08-13A4F2265-31AND
2014-08-13A4F2264-01AND
2014-08-13A4F2265-26AND
2014-08-13A4F2265-41AND
2014-08-13A4F2265-46AND
2014-08-13A4F2265-36AND
2014-08-13A4F2265-06AND
2014-08-13A4F2265-11AND
2014-08-13A4F2265-01AND
2014-08-13A4F2265-21AND
2015-01-13A4L0813-01AND
2016-07-135810-030-0844ND
2016-07-205810-052-0843ND
2017-06-145810-057-0820ND
2018-02-215810-018-0820ND
2018-02-215810-019-0735ND
2018-02-215810-028-0858ND
2018-02-215810-020-0800ND
2018-02-215810-006-0831ND
2018-02-215810-052-0651ND
2018-02-215810-025-0846ND
2018-03-145810-057-0750ND
2018-04-185810-028-0855ND
2018-05-095810-020-0729ND
2018-05-095810-025-0838ND
2018-05-095810-019-0745ND
2018-05-095810-030-0628ND
2018-05-095810-018-0915ND
2018-05-095810-057-0757ND
2018-05-095810-052-0812ND
2018-08-155810-020-1001ND
2018-08-155810-052-0930ND
2018-08-155810-019-0902ND
2018-08-155810-025-0755ND
2018-08-155810-028-0720ND
2018-08-155810-030-0640ND
2018-08-155810-018-0819ND
2018-08-155810-057-0840ND
2018-11-075810-018-0733ND
2018-11-075810-052-0735ND
2018-11-075810-019-0753ND
2018-11-075810-020-0815ND
2018-11-075810-028-0818ND
2018-11-075810-030-0844ND
2018-11-075810-057-0926ND
2018-11-145810-025-0826ND
2019-02-075810-030-1055ND