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EWG's Tap Water Database — 2019 UPDATE

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1,2-Dichloropropane

Upper Deerfield Township Water Department

1,2-Dichloropropane is a volatile carcinogenic solvent discharged from chemical factories and landfills. It also contaminates farmland due to its former use as a soil fumigant. Read More.

The insecticide and fumigant uses of 1,2-dichloropropane were discontinued in the 1980s, but it is still used as an industrial solvent. The California public health goal of 0.5 parts per billion, set to protect against cancer, is 10 times lower than the amount allowed by the federal government, which is a Maximum Contaminant Level of 5 parts per billion. 1,2-Dichloropropane can also damage the nervous system, liver, kidneys, and digestive and respiratory systems.

Click here to read more about carcinogenic VOCs.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.0500 ppb51ND - 0.250 ppb
20130.175 ppb440.150 ppb - 0.220 ppb
20140.108 ppb43ND - 0.160 ppb
20150.0220 ppb51ND - 0.110 ppb
2016ND10ND
20170.1000 ppb110.1000 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.5 ppb

The EWG Health Guideline of 0.5 ppb for 1,2-dichloropropane 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.

EPA Maximum Contaminant
Level (MCL) 5 ppb

The legal limit for 1,2-dichloropropane, established in 1991, was based on analytical detection limits at the time that the standard was set. This limit may not fully protect against the risk of cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-06L4001338-30.250 ppb
2012-01-06L3683515-3ND
2012-04-02L1698797-1ND
2012-07-06L4236183-1ND
2012-10-05L4352808-1ND
2013-01-08L4454427-10.220 ppb
2013-04-05L4525944-60.150 ppb
2013-07-05L4676986-30.160 ppb
2013-10-21L4804875-10.170 ppb
2014-01-10L4861550-50.150 ppb
2014-04-04L4974892-80.120 ppb
2014-07-11L5101806-5ND
2014-10-03L5240148-110.160 ppb
2015-01-02L5356702-11ND
2015-01-02L5356702-7ND
2015-04-01L5489208-5ND
2015-07-10L5637566-3ND
2015-10-02L5808077-60.110 ppb
2016-01-08L5953980-3ND
2017-04-04L6718683-30.1000 ppb