National Drinking Water Database
National Drinking Water Database - Chemical Contaminants
trans-1,4-Dichloro-2-butene
Status: Unregulated - EPA has not established a maximum legal limit in tapwater for this contaminant.
trans-1,4-Dichloro-2-butene is an intermediate used in the manufacture of other chemicals such as hexamethylenediamine and chloroprene.
Detected |
Found above health guidelines |
Found above legal limit |
|
|---|---|---|---|
| States | 1 |
- |
- |
| Water utilities | 1 |
- |
- |
| People Served | 32,500 |
- |
- |
Health Concerns for trans-1,4-Dichloro-2-butene:
trans-1,4-Dichloro-2-butene Exposure by State
Water utilities in 1 states have reported detecting trans-1,4-Dichloro-2-butene in treated tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies.
| State | Water Suppliers with trans-1,4-Dichloro-2-butene contamination | |
|---|---|---|
| Systems | Population | |
| New Jersey | 1 | 32,500 |
| Total | 1 | 32,500 |
The Most Polluted Communities
1 water utilities reported detecting trans-1,4-Dichloro-2-butene in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies
Ranked by highest average trans-1,4-Dichloro-2-butene level
| Rank | System | Population Served | Positive test results of total reported tests | Average Level (Range) |
|---|---|---|---|---|
| 1 | Morris County Mua Randolph Twp, NJ | 32,500 | 1 of 3 | 0.23 ppb (0 to 0.68 ppb) |
Testing Summary for trans-1,4-Dichloro-2-butene
| Are tests routinely required for trans-1,4-Dichloro-2-butene by federal law? | No |
| Water suppliers reporting tests for trans-1,4-Dichloro-2-butene (2004-2009): | 305 of 47,576 |
| Average testing rate for water supplier reporting tests (2004-2009): | 0.8 per year |
Cancer
| Type of concern: | Reference: |
| Cancer - not classifiable/not likely to be human carcinogen | Int'l Agency for Research on Cancer (IARC) - Carcinogens |
Government, industry, academic studies and classifications
| government/industry list/academic study | appears on list as | classification(s) |
| Int'l Agency for Research on Cancer (IARC) - Carcinogens | TRANS-1,4-DICHLOROBUTENE | •IARC Group 3 (no cancer link) |
references
| government/industry list/academic study | reference |
| Int'l Agency for Research on Cancer (IARC) - Carcinogens | IARC (International Agency for Research on Cancer). 2008. Overall Evaluations of Carcinogenicity to Humans, as evaluated in IARC Monographs Volumes 1-99 (a total of 935 agents, mixtures and exposures). |
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