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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

City of Watsonville

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

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND260ND
2016ND130ND
2017N/A00N/A
2018ND420ND
2019ND150ND

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
2015-02-24201502260506AMND
2015-02-24201502260491AMND
2015-02-24201502260508AMND
2015-02-24201502260393AMND
2015-02-24201502260481AMND
2015-02-24201502260467AMND
2015-02-24201502260489AMND
2015-02-24201502260465AMND
2015-02-24201502260483AMND
2015-02-24201502260512AMND
2015-02-24201502260386AMND
2015-02-24201502260395AMND
2015-02-24201502260391AMND
2015-08-10201503040653AMND
2015-08-10201503040658AMND
2015-08-10201503040659AMND
2015-08-10201503040660AMND
2015-08-10201503040663AMND
2015-08-10201503040661AMND
2015-08-10201503040662AMND
2015-08-10201503040651AMND
2015-08-10201503040652AMND
2015-08-10201503040656AMND
2015-08-10201503040657AMND
2015-08-10201503040654AMND
2015-08-10201503040655AMND
2016-06-149590-029-1000ND
2016-06-149590-014-0850ND
2016-06-149590-016-1020ND
2016-06-149590-012-1220ND
2016-06-149590-013-0840ND
2016-06-149590-030-1020ND
2016-06-149590-015-1300ND
2016-06-149590-011-1315ND
2016-06-149590-010-0950ND
2016-06-149590-009-1050ND
2016-06-149590-007-1045ND
2016-06-149590-006-0910ND
2016-06-149590-004-1210ND
2018-03-149590-030-1345ND
2018-03-149590-029-1125ND
2018-03-149590-016-0905ND
2018-03-149590-015-0955ND
2018-03-149590-014-1015ND
2018-03-149590-004-1050ND
2018-03-149590-005-1110ND
2018-03-149590-011-1400ND
2018-03-149590-012-1035ND
2018-03-149590-010-0845ND
2018-03-149590-009-1300ND
2018-03-149590-007-0925ND
2018-03-149590-013-1330ND
2018-03-149590-006-1145ND
2018-05-219590-005-1325ND
2018-07-109590-015-1040ND
2018-07-109590-006-0725ND
2018-07-109590-013-0740ND
2018-07-109590-016-1230ND
2018-07-109590-009-0800ND
2018-07-109590-005-0920ND
2018-07-109590-010-1245ND
2018-07-109590-011-1400ND
2018-09-059590-004-0955ND
2018-09-059590-030-0920ND
2018-09-059590-007-1150ND
2018-09-059590-029-1010ND
2018-09-059590-012-1105ND
2018-09-059590-014-1050ND
2018-11-069590-015-1250ND
2018-11-069590-006-1450ND
2018-11-069590-005-1335ND
2018-11-069590-007-1100ND
2018-11-069590-014-1225ND
2018-11-069590-012-1235ND
2018-11-069590-016-1055ND
2018-11-069590-009-1440ND
2018-11-069590-010-1105ND
2018-11-069590-029-1425ND
2018-11-069590-004-1410ND
2018-11-069590-030-1500ND
2018-11-069590-011-1545ND
2019-03-209590-013-0920ND
2019-08-219590-004-0820ND
2019-08-219590-011-0735ND
2019-08-219590-005-0910ND
2019-08-219590-014-0735ND
2019-08-219590-013-0705ND
2019-08-219590-006-0730ND
2019-08-219590-015-0720ND
2019-08-219590-012-0750ND
2019-08-219590-007-0815ND
2019-08-219590-009-0755ND
2019-08-219590-016-0850ND
2019-08-219590-010-1000ND
2019-08-219590-030-1020ND
2019-08-219590-029-0830ND