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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

California Water Service (CWS) - King City

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

 

57

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND60ND
2014ND70ND
2015ND30ND
2016ND50ND
2017ND60ND
2018ND240ND
2019ND60ND

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
2013-11-19201311200648AMND
2013-11-21201311220586AMND
2013-11-21201311220570AMND
2013-11-21201311220577AMND
2013-11-22201311260228AMND
2013-11-22201311260213AMND
2014-05-08201405090481AMND
2014-05-08201405090486AMND
2014-05-08201405090473AMND
2014-05-14201405160447AMND
2014-05-15201405160457AMND
2014-05-15201405160465AMND
2014-12-165701-015-1316ND
2015-01-285701-007-1330ND
2015-06-085701-015-1205ND
2015-06-095701-008-1123ND
2016-03-165701-012-1057ND
2016-03-165701-006-1353ND
2016-06-135701-014-1311ND
2016-12-075810-008-1411ND
2016-12-075810-007-1647ND
2017-06-145701-015-0938ND
2017-06-145701-014-1125ND
2017-06-145701-006-1450ND
2017-06-265701-012-1613ND
2017-06-265701-008-1505ND
2017-09-215701-007-0940ND
2018-03-065701-012-1055ND
2018-03-065701-007-0939ND
2018-03-065701-008-1202ND
2018-03-075701-006-1058ND
2018-03-075701-015-1201ND
2018-03-075701-014-1125ND
2018-04-235701-007-1125ND
2018-06-269590-012-1017ND
2018-06-269590-008-1120ND
2018-06-299590-014-0958ND
2018-06-299590-006-1217ND
2018-06-299590-015-0930ND
2018-07-199590-014-1056ND
2018-07-199590-015-1111ND
2018-07-199590-006-1026ND
2018-07-249590-008-1006ND
2018-07-249590-012-0925ND
2018-09-175701-007-1346ND
2018-10-089590-007-1104ND
2018-10-089590-012-1131ND
2018-10-089590-008-1015ND
2018-10-109590-006-0934ND
2018-10-109590-015-1135ND
2018-10-109590-014-0951ND
2019-06-125810-014-1241ND
2019-06-125810-015-1105ND
2019-06-195810-008-0904ND
2019-06-195810-012-1011ND
2019-06-195810-006-1140ND
2019-09-175810-007-1135ND