Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Swta - Main System

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

 

35

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND50ND
2020ND70ND
2021ND50ND
2022ND50ND
2023ND70ND

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
2018-01-098012152-02ND
2018-04-108042613-02ND
2018-04-108042612-01ND
2018-04-108042612-02ND
2018-04-108042612-03ND
2018-04-108042612-04ND
2019-04-239044997-01ND
2019-04-239044997-02ND
2019-04-239044997-03ND
2019-04-239044997-04ND
2019-04-239044997-05ND
2020-04-1422080219.00ND
2020-04-1422080282.00ND
2020-04-1422080198.00ND
2020-04-1422080177.00ND
2020-04-1422080156.00ND
2020-04-1422080240.00ND
2020-04-1422080261.00ND
2021-04-0624301752.00ND
2021-04-0624301815.00ND
2021-04-0624301773.00ND
2021-04-0624301794.00ND
2021-04-0624301836.00ND
2022-05-3126899450.00ND
2022-05-3126899513.00ND
2022-05-3126899471.00ND
2022-05-3126899492.00ND
2022-05-3126899534.00ND
2023-04-0428761087.00ND
2023-04-0428761084.00ND
2023-04-0428761089.00ND
2023-04-0428761088.00ND
2023-04-0428761086.00ND
2023-04-0428761085.00ND
2023-12-1230296274.00ND