Know Your Environment. Protect Your Health.

1,1,2-Trichloroethane

Concho Rural Water Grape Creek

NOTE: Concho Rural Water Grape Creek purchases water from City of San Angelo which is required to test for 1,1,2-trichloroethane. Sample information shown below was taken by City of San Angelo.

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.3 ppb

The EWG 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.

EPA Maximum Contaminant
Level (MCL): 5 ppb

The legal limit for 1,1,2-trichloroethane, established in 1992, was based on analytical detection limits at the time that the standard was set. This limit may not fully protect against the risk of cancer due to 1,1,2-trichloroethane exposure.

ppb = parts per billion

All test results

NOTE: Concho Rural Water Grape Creek purchases water from City of San Angelo which is required to test for 1,1,2-trichloroethane. Sample information shown below was taken by City of San Angelo.

Date Lab ID Result
2018-02-28Q1808687007ND
2019-05-07Q1920785002ND
2020-02-18Q2006105001ND
2021-04-27Q2110656002ND
2022-02-14Q2205298009ND
2023-02-15Q2306325010ND