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1,1,2-Trichloroethane

Status: National drinking water standard exists

 

1,1,2-Trichloroethane is a volatile neurotoxic solvent used for manufacturing products such as plastic wrap and carpet backing. It causes liver tumors in animal studies. Read More.

The EPA classifies 1,1,2- trichloroethane as a possible human carcinogen. The California public health goal of 0.3 parts per billion, set to protect against cancer, is 16 times lower than the amount allowed by the federal government, which is a Maximum Contaminant Level of 5 parts per billion.

Click here to read more about carcinogenic VOCs.

2015:

FOUND
FOUND ABOVE HEALTH GUIDELINES

3

states detected

6

utilities detected

41,018

people served

1

states over health guideline

4

utilities over health guideline

7,968

people served over health guideline

Health concerns for 1,1,2-trichloroethane

Liver cancer

Harm to the kidney

Change to the central nervous system

State and national drinking water standards and health guidelines

Health Guideline 0.3 ppb

The health guideline of 0.3 ppb for 1,1,2-trichloroethane 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 cancer.

ppb = parts per billion.

EPA Maximum Contaminant
Level (MCL) 5 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)3 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 1,1,2-trichloroethane in drinking water

UTILITIES REPORTING ABOVE HEALTH GUIDELINES UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served UtilitiesPeople Served
New York00133,000
West Virginia47,96847,968
Washington00150
MORE
LESS

Utilities with the highest amounts of 1,1,2-trichloroethane, 2015

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Point Pleasant Water Works*Pt. Pleasant, WV1 of 10.390 ppb5,290
Cowlitz Indian Tribal HousingToledo, WA1 of 20.0550 ppb50
Bethpage WDBethpage, NY6 of 1620.0241 ppb33,000

* 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 1,1,2-Trichloroethane, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Bethpage WDBethpage, NY6 of 1620.0241 ppb33,000