Status: No national drinking water standard exists
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.
Health concerns for 1,3-dichloropropene
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
States reporting 1,3-dichloropropene in drinking water
|UTILITIES WITH CONTAMINATION|
Utilities with the highest amounts of 1,3-dichloropropene, 2017-2019
|Utility||Location||Tests||Average level||People served|
|US Army Aviation and Missile Command||Redstone Arsenal, AL||2 of 13||0.0887 ppb||38,700|
|Wallingford Water Department||Wallingford, CT||1 of 35||0.0143 ppb||37,267|
|Milford City Public Water System||Milford, OH||1 of 37||0.0135 ppb||6,400|