Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Majestic View Water Improvement District

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

 

9

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
2019ND10ND
2020ND10ND
2021ND30ND
2022ND10ND
2023ND30ND

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
2019-08-15201908160343VND
2020-08-12202008130028VND
2021-02-09202102100089VND
2021-04-2121D2640-01ND
2021-07-2921G3654-01ND
2022-02-28202203010030VND
2023-03-09380-39831-1ND
2023-04-2723D3513-01ND
2023-05-1123E1975-01ND