Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

City of Justin

NOTE: City of Justin purchases water from Utrwd Regional Water Treatment Plant which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Utrwd Regional Water Treatment Plant.

1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND20ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 7 ppb

The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.

ppb = parts per billion

All test results

NOTE: City of Justin purchases water from Utrwd Regional Water Treatment Plant which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Utrwd Regional Water Treatment Plant.

Date Lab ID Result
2018-09-13Q1836570001ND
2018-09-25Q1838256005ND
2019-09-26Q1969362002ND
2019-09-27Q1970279005ND
2020-08-18Q2032859002ND
2020-08-18Q2032859004ND
2021-09-27Q2126305003ND
2021-09-27Q2126305005ND
2022-09-15Q2227673003ND
2022-09-15Q2227673005ND
2023-08-02Q2331445001ND
2023-08-02Q2331445003ND