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EWG's Tap Water Database — 2021 UPDATE

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1,3-Dichloropropene

Phelan Pinon Hills 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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND50ND
2016ND10ND
2017ND40ND
2018ND10ND
2019ND10ND

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
2015-02-173761-002-1035ND
2015-02-173761-009-0918ND
2015-02-173761-011-1136ND
2015-02-243761-007-1015ND
2015-03-033761-017-0950ND
2016-07-193761-012-0815ND
2017-04-113761-006-0945ND
2017-05-083761-005-1145ND
2017-05-083761-005-1155ND
2017-07-053761-015-1145ND
2018-09-103761-013-1139ND
2019-07-033761-016-1254ND