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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

SBDNO County Service Area 64

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

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND80ND
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017ND50ND
2018ND200ND
2019N/A00N/A

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
2013-03-27B3C2917-05ND
2013-03-27B3C2917-07ND
2013-03-27B3C2917-03ND
2013-03-27B3C2917-01ND
2013-09-19B3I1975-03ND
2013-09-19B3I1975-05ND
2013-09-19B3I1975-07ND
2013-09-19B3I1975-01ND
2017-09-113761-002-1050ND
2017-09-113761-004-1130ND
2017-09-113761-001-1230ND
2017-09-113761-005-0900ND
2017-11-013761-006-1105ND
2018-01-033761-005-0940ND
2018-01-033761-006-1215ND
2018-01-033761-001-1145ND
2018-01-033761-004-1055ND
2018-01-033761-002-1030ND
2018-05-073761-005-0910ND
2018-05-073761-001-1140ND
2018-05-073761-004-1045ND
2018-05-073761-006-1210ND
2018-05-073761-002-1015ND
2018-07-023761-005-0920ND
2018-07-023761-006-1130ND
2018-07-023761-001-1100ND
2018-07-023761-002-1020ND
2018-07-243761-004-0945ND
2018-10-013761-002-0940ND
2018-10-013761-001-1110ND
2018-10-013761-006-1145ND
2018-10-013761-005-0900ND
2018-10-013761-004-1020ND