Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Ephrata Area Joint Authority

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

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND50ND
2020ND90ND
2021ND90ND
2022ND100ND
2023ND100ND

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
2018-01-047020609-01ND
2018-01-058000628-01ND
2018-04-098007939-01ND
2018-07-158020415-01ND
2018-10-018028440-01ND
2019-01-028018023-01ND
2019-01-089000133-01ND
2019-04-027004831-01ND
2019-07-027011943-01ND
2019-10-079035881-01ND
2020-01-0321627535.00ND
2020-04-0622168754.00ND
2020-04-1322168813.00ND
2020-04-1322168812.00ND
2020-07-1322753764.00ND
2020-07-1722753841.00ND
2020-07-2122753842.00ND
2020-10-0723319890.00ND
2020-10-1423319973.00ND
2021-02-1224015884.00ND
2021-02-2624015915.00ND
2021-04-0824201063.00ND
2021-04-1424390930.00ND
2021-07-0124976248.00ND
2021-07-0124976249.00ND
2021-07-1624976360.00ND
2021-10-0525545669.00ND
2021-10-0825545734.00ND
2022-01-0526077518.00ND
2022-01-3126077718.00ND
2022-02-0826247119.00ND
2022-04-0426604674.00ND
2022-04-0526604706.00ND
2022-07-1127188750.00ND
2022-07-1227188828.00ND
2022-07-2227188987.00ND
2022-10-1027782899.00ND
2022-10-2527782954.00ND
2023-01-0928307559.00ND
2023-01-2428307791.00ND
2023-01-2428307813.00ND
2023-04-1428855582.00ND
2023-04-1428855581.00ND
2023-07-1129451550.00ND
2023-07-1829451609.00ND
2023-08-2929654940.00ND
2023-10-3130028779.00ND
2023-10-3130028778.00ND