Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Lakeshore Water System

1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 1 ppb

The EWG Health Guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2018-10-25Q1842857002ND
2018-10-25Q1842857003ND
2019-10-22Q1973213002ND
2019-10-22Q1973213004ND
2020-11-30Q2047385001ND
2020-11-30Q2047385003ND
2021-07-20Q2118954003ND
2021-12-06Q2133665006ND
2022-10-05Q2230095002ND
2022-10-05Q2230095004ND
2023-05-03Q2316787001ND
2023-08-21Q2335107003ND
2023-09-18Q2339829001ND
2023-11-02Q2347035001ND