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EWG's Tap Water Database — 2021 UPDATE

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1,3-Dichloropropene

Covina Irrigating Company

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018ND30ND
2019ND30ND

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
2014-10-249588-002-1005ND
2014-10-249588-003-1015ND
2015-11-109588-002-0900ND
2018-08-089588-002-1410ND
2018-08-109588-001-1330ND
2018-08-109588-003-1345ND
2019-07-259588-001-1050ND
2019-07-259588-002-1105ND
2019-07-259588-003-1100ND