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National Drinking Water Database


National Drinking Water Database - Chemical Contaminants

cis-1,3-Dichloropropene


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

cis-1,3-Dichloropene is used in chemical synthesis, and in agriculture as a soil fumigant and nematocide.

 
Detected
Found above
health guidelines
Found above
legal limit
States
6
-
-
Water utilities
13
-
-
People Served
713,374
-
-

Health Concerns for cis-1,3-Dichloropropene:


cis-1,3-Dichloropropene Exposure by State

Water utilities in 6 states have reported detecting cis-1,3-Dichloropropene in treated tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies.

StateWater Suppliers with cis-1,3-Dichloropropene contamination
SystemsPopulation
California2395,762
Delaware2201,792
New York688,791
Nebraska124,000
Missouri12,779
Washington1250
Total13713,374

The Most Polluted Communities

13 water utilities reported detecting cis-1,3-Dichloropropene in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average cis-1,3-Dichloropropene level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Bedford Hills/Taconic Corr. Facilities
Bedford Hills, NY
1,1001 of 10.5 ppb
(0.5 ppb)
2Metz Water Association
Spokane, WA
2501 of 30.26 ppb
(0 to 0.79 ppb)
3Wild Oaks Water Company
Rockport, NY
8051 of 30.17 ppb
(0 to 0.5 ppb)
4Mcwa, Genesee West
Rochester, NY
8002 of 30.11 ppb
(0 to 0.22 ppb)
5City of Norfolk
Norfolk, NE
24,0002 of 650.06 ppb
(0 to 1.8 ppb)
6Montara Water and Sanitary District
Montara, CA
5,4121 of 110.02 ppb
(0 to 0.21 ppb)
7Wild Quail District
Dover, DE
7921 of 160.02 ppb
(0 to 0.3 ppb)
8Bethpage Wd
Bethpage, NY
33,0001 of 154< 0.01 ppb
(0 to 1.53 ppb)
9Garden City (V)
Garden City, NY
21,6862 of 259< 0.01 ppb
(0 to 1.6 ppb)
10Artesian Water Company
Newark, DE
201,0001 of 134< 0.01 ppb
(0 to 0.65 ppb)

Testing Summary for cis-1,3-Dichloropropene

Are tests routinely required for cis-1,3-Dichloropropene by federal law?No
Water suppliers reporting tests for cis-1,3-Dichloropropene (2004-2009):14,630 of 47,576
Average testing rate for water supplier reporting tests (2004-2009):0.5 per year

Occupational hazards

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

Cancer

Type of concern: Reference:
One or more in vitro tests on mammalian cells show positive mutation results RTECS®- Cancer Letters (Shannon, Ireland) 1983
One or more in vitro tests non-mammalian cells show positive mutation results RTECS®- Cancer Research 1977
One or more animal studies show tumor formation at high doses RTECS®- JNCI, Journal of the National Cancer Institute 1979

Ecotoxicology

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



Government, industry, academic studies and classifications

government/industry list/academic study appears on list as classification(s)
European Union - Classification & Labelling1,3-DICHLOROPROPENE; [1] ; (Z)-1,3-DICHLOROPROPENE [2]•Harmful by inhalation
•Very toxic to aquatic organisms
European Union - Classification & Labelling1,3-DICHLOROPROPENE; [1] (Z)-1,3-DICHLOROPROPENE [2]•Harmful by inhalation
•Very toxic to aquatic organisms
RTECS®- Cancer Letters (Shannon, Ireland) 1983D-D• mutagenic - Positive mutation assay: Unscheduled DNA Synthesis ( human hla)
RTECS®- Cancer Letters (Shannon, Ireland) 1983D-D• mutagenic - Positive mutation assay: Unscheduled DNA Synthesis ( human hla)
RTECS®- Cancer Research 1977D-D• mutagenic - Positive mutation assay: Mutation in Micro-organism (Salmonella typhimurium )
RTECS®- Cancer Research 1977D-D• mutagenic - Positive mutation assay: Mutation in Micro-organism (Salmonella typhimurium )
RTECS®- JNCI, Journal of the National Cancer Institute 1979D-D• cancer - Tumors at site of application (mouse TDLo)



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®- Cancer Letters (Shannon, Ireland) 1983RTECS®- Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 20,263,1983
RTECS®- Cancer Letters (Shannon, Ireland) 1983RTECS®- Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1975- 20,263,1983
RTECS®- Cancer Research 1977RTECS®- Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- 37,1915,1977
RTECS®- Cancer Research 1977RTECS®- Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 37,1915,1977
RTECS®- JNCI, Journal of the National Cancer Institute 1979RTECS®- JNCI, Journal of the National Cancer Institute. (Washington, DC) V.61-79, 1978-87. For publisher information, see JNCIEQ. 63,1433,1979

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