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EWG's Tap Water Database — 2021 UPDATE

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1,3-Dichloropropene

Hesperia Water District

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019ND160ND

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
2019-07-083761-010-0900ND
2019-07-083761-012-0830ND
2019-07-083761-013-0800ND
2019-07-083761-018-0730ND
2019-07-083761-019-0600ND
2019-07-083761-038-0700ND
2019-07-083761-039-0630ND
2019-07-103761-015-1030ND
2019-07-153761-014-0815ND
2019-07-153761-036-0840ND
2019-07-223761-005-0730ND
2019-07-233761-021-0645ND
2019-07-253761-002-0800ND
2019-07-293761-009-0830ND
2019-07-303761-022-0835ND
2019-08-013761-033-0830ND