Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Crestwood Water Company

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
2018ND20ND
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

Date Lab ID Result
2018-06-20Q1824599002ND
2018-06-20Q1824599009ND
2019-02-26Q1908261007ND
2019-02-26Q1908261010ND
2020-05-12Q2018385001ND
2020-05-12Q2018385003ND
2021-12-16Q2135712005ND
2021-12-16Q2135712007ND
2022-03-16Q2208881003ND
2022-11-22Q2235129001ND
2023-02-02Q2304156003ND
2023-02-02Q2304156005ND