Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Pittsburgh Water & Sewer Authority

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND30ND
2021ND30ND
2022ND20ND
2023ND10ND

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
2018-05-0218E0265-01ND
2019-05-2119E2494-01ND
2019-12-1319L1687-01ND
2020-02-0521752612.00ND
2020-05-0522310199.00ND
2020-10-2323270639.00ND
2021-02-0223970441.00ND
2021-06-1024731875.00ND
2021-06-1024731876.00ND
2022-05-0326743766.00ND
2022-05-0326743767.00ND
2023-05-1829001698.00ND