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.
| State | Water Suppliers with 1,1-Dichloropropene contamination | |
|---|---|---|
| Systems | Population | |
| Rhode Island | 1 | 38,000 |
| California | 1 | 9,018 |
| New York | 4 | 5,387 |
| North Carolina | 1 | 191 |
| New Hampshire | 2 | 75 |
| Total | 9 | 52,671 |
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
| Rank | System | Population Served | Positive test results of total reported tests | Average Level (Range) |
|---|---|---|---|---|
| 1 | Wild Oaks Water Company Rockport, NY | 805 | 1 of 3 | 55.67 ppb (0 to 167 ppb) |
| 2 | Mcwa, Genesee West Rochester, NY | 800 | 2 of 3 | 41.75 ppb (0 to 125 ppb) |
| 3 | Village Square NH | 45 | 1 of 2 | 0.95 ppb (0 to 1.9 ppb) |
| 4 | Georgetown Divide Pud Georgetown, CA | 9,018 | 1 of 1 | 0.8 ppb (0.8 ppb) |
| 5 | Chelsea Ridge Apartments Wappingers Falls, NY | 2,682 | 1 of 1 | 0.6 ppb (0.6 ppb) |
| 6 | Bedford Hills/Taconic Corr. Facilities Bedford Hills, NY | 1,100 | 1 of 1 | 0.5 ppb (0.5 ppb) |
| 7 | Monticello Estates Greensboro, NC | 191 | 1 of 14 | 0.04 ppb (0 to 0.6 ppb) |
| 8 | Westerly Water Department Westerly, RI | 38,000 | 1 of 28 | 0.02 ppb (0 to 0.43 ppb) |
| 9 | Howard Manor Condominiums Plaistow, NH | 30 | 1 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 & Labelling | 1,1-DICHLOROPROPENE | •Highly flammable •Highly flammable •Toxic •Toxic if swallowed •Harmful to aquatic organisms |
| RTECS®- Biochemical Pharmacology 1986 | 1,1-DICHLOROPROPENE | • mutagenic - Positive mutation assay: Mutation in Micro-organism (Salmonella typhimurium ) |
| RTECS®- Mutation Research 2005 | 1,1-DICHLOROPROPENE | • mutagenic - Positive mutation assay: Mutation in Micro-organism (Salmonella typhimurium ) |
references
| government/industry list/academic study | reference |
| European Union - Classification & Labelling | CPS&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 1986 | RTECS®- Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 35,195,1986 |
| RTECS®- Mutation Research 2005 | RTECS®- Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 572,98,2005 |
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