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EWG's Tap Water Database — 2019 UPDATE

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1,3-Dichloropropene

City of Hollister

1,3-Dichloropropene is a volatile cancer-causing chemical primarily used as a nematocide to fumigate agricultural soils. It exists in two different forms: cis-1,3-dichloropropene and trans-1,3-dichloropropene.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014ND60ND
2015N/A00N/A
2016N/A00N/A
2017ND50ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.2 ppb

The EWG Health Guideline of 0.2 ppb for 1,3-dichloropropene 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
2014-06-121610-009-1055ND
2014-06-121610-007-1250ND
2014-06-121610-006-1315ND
2014-06-121610-005-1015ND
2014-06-121610-002-1145ND
2014-06-121610-001-1205ND
2017-06-011610-002-1045ND
2017-06-011610-001-1011ND
2017-06-081610-007-0916ND
2017-06-081610-006-1236ND
2017-06-081610-005-1150ND