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EWG's Tap Water Database

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1,3-Dichloropropene

Arapahoe Cnty Wwwa

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND70ND
2011ND40ND
2012ND70ND
2013ND10ND
2014N/A00N/A
2015N/A00N/A

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 0.2 ppb

The 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 Result
2010-01-25ND
2010-01-25ND
2010-01-25ND
2010-02-01ND
2010-02-01ND
2010-04-05ND
2010-04-05ND
2011-01-19ND
2011-04-01ND
2011-04-01ND
2011-04-01ND
2012-01-13ND
2012-01-13ND
2012-01-23ND
2012-01-23ND
2012-04-06ND
2012-04-06ND
2012-04-09ND
2013-01-08ND