Know Your Environment. Protect Your Health.

1,1,2,2-Tetrachloroethane

Madera Valley Water Supply Corporation

1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND40ND
2021ND30ND
2022ND30ND
2023ND30ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane 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

All test results

Date Lab ID Result
2018-07-18Q1828958012ND
2018-07-18Q1828958014ND
2018-07-18Q1828958010ND
2019-06-20Q1938291004ND
2019-06-20Q1938291006ND
2019-06-20Q1938291008ND
2020-08-17Q2033215001ND
2020-08-17Q2033215003ND
2020-08-17Q2033215005ND
2020-12-02Q2048267001ND
2021-03-15Q2106895001ND
2021-03-15Q2106895003ND
2021-09-13Q2125100003ND
2022-02-07Q2204392003ND
2022-02-07Q2204392005ND
2022-08-31Q2225814003ND
2023-04-20Q2314887001ND
2023-04-20Q2314887003ND
2023-08-30Q2337553001ND