Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Denair Community Services District

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019N/A00N/A
2020ND20ND
2021ND20ND
2022N/A00N/A
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
2018-09-07CA5010021_009_009-201809070850ND
2018-09-07CA5010021_010_010-201809070915ND
2020-10-08CA5010021_007_007-202010081024ND
2020-10-08CA5010021_008_008-202010080951ND
2021-09-16CA5010021_009_009-202109160925ND
2021-09-16CA5010021_010_010-202109161000ND
2023-10-10CA5010021_007_007-202310101000ND
2023-10-10CA5010021_008_008-202310101014ND