Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Pennsylvania American Water Company New Castle

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

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND60ND

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
2018-03-1338838701ND
2019-03-0543249601ND
2020-03-0221958181.00ND
2021-03-0324177544.00ND
2022-03-0326399641.00ND
2023-01-0328286019.00ND
2023-03-1528638084.00ND
2023-03-2928638190.00ND
2023-04-1228831003.00ND
2023-04-2428831145.00ND
2023-05-0829031509.00ND