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National Drinking Water Database


National Drinking Water Database - Chemical Contaminants

1,1-Dichloropropene


Status: Unregulated - EPA has not established a maximum legal limit in tapwater for this contaminant.

1,1-Dichloropropene is a chlorinated volatile solvent with industrial uses and is found as pollutant in surface and groundwater.

 
Detected
Found above
health guidelines
Found above
legal limit
States
5
-
-
Water utilities
9
-
-
People Served
52,671
-
-

Health Concerns for 1,1-Dichloropropene:


1,1-Dichloropropene Exposure by State

Water utilities in 5 states have reported detecting 1,1-Dichloropropene in treated tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies.

StateWater Suppliers with 1,1-Dichloropropene contamination
SystemsPopulation
Rhode Island138,000
California19,018
New York45,387
North Carolina1191
New Hampshire275
Total952,671

The Most Polluted Communities

9 water utilities reported detecting 1,1-Dichloropropene in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average 1,1-Dichloropropene level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Wild Oaks Water Company
Rockport, NY
8051 of 355.67 ppb
(0 to 167 ppb)
2Mcwa, Genesee West
Rochester, NY
8002 of 341.75 ppb
(0 to 125 ppb)
3Village Square
NH
451 of 20.95 ppb
(0 to 1.9 ppb)
4Georgetown Divide Pud
Georgetown, CA
9,0181 of 10.8 ppb
(0.8 ppb)
5Chelsea Ridge Apartments
Wappingers Falls, NY
2,6821 of 10.6 ppb
(0.6 ppb)
6Bedford Hills/Taconic Corr. Facilities
Bedford Hills, NY
1,1001 of 10.5 ppb
(0.5 ppb)
7Monticello Estates
Greensboro, NC
1911 of 140.04 ppb
(0 to 0.6 ppb)
8Westerly Water Department
Westerly, RI
38,0001 of 280.02 ppb
(0 to 0.43 ppb)
9Howard Manor Condominiums
Plaistow, NH
301 of 10< 0.01 ppb
(< .01 to 0.003 ppb)

Testing Summary for 1,1-Dichloropropene

Are tests routinely required for 1,1-Dichloropropene by federal law?No
Water suppliers reporting tests for 1,1-Dichloropropene (2004-2009):21,393 of 47,576
Average testing rate for water supplier reporting tests (2004-2009):0.6 per year

Occupational hazards

Type of concern: Reference:
Allowed workplace exposures restricted to low doses European Union - Classification & Labelling

Organ system toxicity (non-reproductive)

Type of concern: Reference:
Classified as toxic or harmful European Union - Classification & Labelling

Cancer

Type of concern: Reference:
One or more in vitro tests non-mammalian cells show positive mutation results RTECS®- Biochemical Pharmacology 1986
One or more in vitro tests non-mammalian cells show positive mutation results RTECS®- Mutation Research 2005

Ecotoxicology

Type of concern: Reference:
Wildlife and environmental toxicity European Union - Classification & Labelling

Miscellaneous

Type of concern: Reference:
Occupational hazards related to handling European Union - Classification & Labelling



Government, industry, academic studies and classifications

government/industry list/academic study appears on list as classification(s)
European Union - Classification & Labelling1,1-DICHLOROPROPENE•Highly flammable
•Highly flammable
•Toxic
•Toxic if swallowed
•Harmful to aquatic organisms
RTECS®- Biochemical Pharmacology 19861,1-DICHLOROPROPENE• mutagenic - Positive mutation assay: Mutation in Micro-organism (Salmonella typhimurium )
RTECS®- Mutation Research 20051,1-DICHLOROPROPENE• mutagenic - Positive mutation assay: Mutation in Micro-organism (Salmonella typhimurium )



references

government/industry list/academic study reference
European Union - Classification & LabellingCPS&Q (Consumer Products Safety & Quality) formely known as ECB (European Chemicals Bureau). 2008. Classification and Labelling: Chemicals: Annex VI of Directive 67/548/EEC through the 31st ATP.
RTECS®- Biochemical Pharmacology 1986RTECS®- Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 35,195,1986
RTECS®- Mutation Research 2005RTECS®- Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 572,98,2005

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