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EWG's Tap Water Database — 2021 UPDATE

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1,3-Dichloropropene

Big Bear City CSD

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND140ND
2015N/A00N/A
2016N/A00N/A
2017ND60ND
2018ND10ND
2019N/A00N/A

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
2014-01-023761-014-1045ND
2014-06-043761-004-1125ND
2014-06-043761-016-1020ND
2014-06-043761-015-0925ND
2014-06-043761-014-1030ND
2014-06-043761-012-1105ND
2014-06-043761-010-1140ND
2014-06-043761-009-1135ND
2014-06-043761-008-1055ND
2014-06-043761-006-1005ND
2014-06-043761-005-1130ND
2014-06-043761-003-0750ND
2014-06-043761-002-0900ND
2014-06-043761-001-0840ND
2017-05-313761-004-1015ND
2017-05-313761-012-1000ND
2017-05-313761-010-1040ND
2017-05-313761-009-1020ND
2017-05-313761-008-0953ND
2017-05-313761-005-1020ND
2018-06-123761-018-0800ND