trans-1,2-Dichloroethylene
Status: National drinking water standard exists
1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.
2015:
8
states detected
16
utilities detected
251,000
people served
0
states over health guideline
0
utilities over health guideline
0
people served over health guideline
0
states over legal limit
0
utilities over legal limit
0
people served over legal limit
Health concerns for trans-1,2-dichloroethylene
Harm to the brain and nervous system
Harm to the liver
Harm to the immune system
State and national drinking water standards and health guidelines
Health Guideline 60 ppb
The health guideline of 60 ppb for trans-1,2-dichloroethylene 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 harm to internal organs.
ppb = parts per billion.
EPA Maximum Contaminant
Level (MCL) 100 ppb
The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.
ppb = parts per billion.
EPA Maximum Contaminant
Level Goal (MCLG)100 ppb
A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.
ppb = parts per billion.
States reporting trans-1,2-dichloroethylene in drinking water
| UTILITIES WITH CONTAMINATION | |||
|---|---|---|---|
| State | Utilities | People Served | |
| Illinois | 3 | 161,845 | |
| Minnesota | 2 | 47,240 | |
| Wisconsin | 3 | 16,861 | |
| Pennsylvania | 2 | 13,118 | |
| New York | 3 | 6,880 | |
| California | 1 | 4,374 | |
| Oklahoma | 1 | 1,060 | |
| New Hampshire | 1 | 88 | |
Utilities with the highest amounts of trans-1,2-dichloroethylene, 2015
| Utility | Location | Tests | Average level | People served |
|---|---|---|---|---|
| Marell Courts and Rentals Llc | Hillsboro, WI | 3 of 3 | 3.37 ppb | 60 |
| Hydro Public Works Authority | Hydro, OK | 2 of 8 | 1.30 ppb | 1,060 |
| Whitehall Twp Authority | Whitehall, PA | 4 of 10 | 1.04 ppb | 13,063 |
| Saint Louis Park | St. Louis Park, MN | 4 of 4 | 0.728 ppb | 45,505 |
| Arlington | Arlington, IL | 1 of 1 | 0.560 ppb | 150 |
| Montara Water and Sanitary District | Montara, CA | 4 of 12 | 0.517 ppb | 4,374 |
| Pawc Homesite | Wilkes-barre, PA | 4 of 8 | 0.438 ppb | 55 |
| Highland Links Colony | Campton, NH | 1 of 4 | 0.400 ppb | 88 |
| East Alton | East Alton, IL | 3 of 5 | 0.392 ppb | 6,695 |
| Waupun Correctional Inst | Waupun, WI | 1 of 1 | 0.290 ppb | 4,901 |
| Cedarburg L & W Commission | Cedarburg, WI | 7 of 24 | 0.206 ppb | 11,900 |
| Black River Village* | Black River, NY | 1 of 3 | 0.167 ppb | 4,240 |
| Clearwater | Clearwater, MN | 1 of 3 | 0.0867 ppb | 1,735 |
| Rockford | Rockford, IL | 2 of 15 | 0.0800 ppb | 155,000 |
* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report trans-1,2-Dichloroethylene, but it likely has the contaminant in its water supply.
| Utility | Location | Tests | Average level | People served |
|---|---|---|---|---|
| Whitehall Twp Authority | Whitehall, PA | 4 of 10 | 1.04 ppb | 13,063 |
| Saint Louis Park | St. Louis Park, MN | 4 of 4 | 0.728 ppb | 45,505 |
| Cedarburg L & W Commission | Cedarburg, WI | 7 of 24 | 0.206 ppb | 11,900 |
| Rockford | Rockford, IL | 2 of 15 | 0.0800 ppb | 155,000 |