Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Valley Utilities Water Company Glendale

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019N/A00N/A
2020N/A00N/A
2021ND50ND
2022ND40ND
2023ND10ND

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
2018-03-01201803010276VND
2018-03-01201803010277VND
2018-03-07201803070704VND
2018-03-07201803070705VND
2021-03-03202103040010VND
2021-03-03202103040011VND
2021-03-03202103040012VND
2021-03-11202103120008VND
2021-06-1021F1545-01ND
2022-02-02202202030108VND
2022-04-27202204280128VND
2022-07-07380-7658-1ND
2022-10-05380-23186-1ND
2023-02-02380-36417-3ND