Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Star Sewer and Water District Water System

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
2018N/A00N/A
2019N/A00N/A
2020ND20ND
2021ND60ND
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

Date Lab ID Result
2020-10-20V2052526ND
2020-10-20V2052524ND
2021-02-03V2105166ND
2021-02-03V2105168ND
2021-05-05V2121353ND
2021-05-05V2121351ND
2021-07-07V2134007ND
2021-07-07V2134009ND
2022-11-02V2254682ND
2022-11-02V2254681ND
2023-07-13V2314384-02ND
2023-07-13V2314384-03ND