Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Paw Glen Alsace Div

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

 

43

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
20190.271 ppb71ND - 1.90 ppb
20200.158 ppb121ND - 1.90 ppb
20210.400 ppb31ND - 1.20 ppb
20220.633 ppb31ND - 1.90 ppb
20230.380 ppb154ND - 1.90 ppb

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
2018-02-1338538801ND
2018-02-1338539501ND
2018-02-1338539201ND
2019-02-0642853101ND
2019-02-0642853301ND
2019-02-06428532011.90 ppb
2019-07-2245717501ND
2019-07-2245717601ND
2019-07-2245717401ND
2019-07-2946133302ND
2020-02-1021708729.00ND
2020-02-1021708708.00ND
2020-02-1021708687.00ND
2020-02-1021708774.001.90 ppb
2020-02-1021708795.00ND
2020-02-1121708753.00ND
2020-02-1121708624.00ND
2020-02-1121708645.00ND
2020-02-1121708666.00ND
2020-02-1721708840.00ND
2020-02-1721708819.00ND
2020-02-1721708861.00ND
2021-02-1023928446.001.20 ppb
2021-02-1023928425.00ND
2021-02-1023928467.00ND
2022-02-1026157288.001.90 ppb
2022-02-1026157299.00ND
2022-02-1026157269.00ND
2023-02-0928389634.00ND
2023-02-0928389566.00ND
2023-02-0928389610.00ND
2023-02-0928389545.00ND
2023-02-0928389587.00ND
2023-02-0928389482.00ND
2023-02-0928389461.001.80 ppb
2023-02-0928389419.00ND
2023-02-0928389524.00ND
2023-02-0928389660.00ND
2023-02-0928389503.00ND
2023-02-0928389440.00ND
2023-04-1028750974.001.90 ppb
2023-07-1129348341.001.000 ppb
2023-10-0929929548.001.000 ppb