Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Bradley Waterworks

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

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND50ND
2020ND40ND
2021ND90ND
2022ND50ND
2023ND40ND

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
2018-02-1218046000301ND
2018-05-2918151004301ND
2018-05-2918151004201ND
2018-08-1318228002901ND
2018-08-1318228002702ND
2018-10-1618291005301ND
2019-02-2519059000701ND
2019-05-1319136008101ND
2019-07-3119213001601ND
2019-07-3119213001508ND
2019-11-0519311002301ND
2020-01-2120023000501ND
2020-06-0220156007101ND
2020-08-1820233005901ND
2020-11-1720324004101ND
2021-02-0121035003801ND
2021-02-2321056002701ND
2021-04-1921111001201ND
2021-04-1921111001102ND
2021-04-1921111001301ND
2021-07-2621210008901ND
2021-07-2621210009002ND
2021-11-1621322000701ND
2021-11-1621322000601ND
2022-02-14O195617-VOC-1ND
2022-04-19O197087-VOC-1ND
2022-09-20O202009-VOC-1ND
2022-09-20O202008-VOC-1ND
2022-10-11O202728-VOC-1ND
2023-01-10O205157-VOC-1ND
2023-06-06O209570-VOC-1ND
2023-08-21O211612-VOC-1ND
2023-10-31O213672-VOC-1ND