Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Conyngham Water Company

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

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND50ND
2021ND30ND
2022ND30ND
2023ND50ND

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
2018-04-177048808001ND
2018-04-177048808002ND
2018-04-177048808003ND
2019-03-121903-156-2ND
2019-03-1219030-156-1ND
2019-03-121903-156-1ND
2020-03-0221862230.00ND
2020-03-0221862210.00ND
2020-03-0221862190.00ND
2020-03-0221862170.00ND
2020-03-0221862150.00ND
2021-06-0124454890.00ND
2021-06-0124454870.00ND
2021-06-0124454910.00ND
2022-04-0426478817.00ND
2022-04-0426478837.00ND
2022-04-0426478857.00ND
2023-03-0628536375.00ND
2023-03-0628536395.00ND
2023-03-0628536415.00ND
2023-12-1230259325.00ND
2023-12-1230259305.00ND