Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Yak Co. - Crewport

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

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.37 ppb75ND - 2.33 ppb
20190.863 ppb42ND - 2.40 ppb
2020N/A00N/A
20211.44 ppb220.510 ppb - 2.37 ppb
20221.66 ppb21ND - 3.32 ppb
2023ND20ND

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
2018-02-201.40 ppb
2018-04-092.10 ppb
2018-05-082.33 ppb
2018-08-14ND
2018-08-14ND
2018-11-131.74 ppb
2018-11-132.05 ppb
2019-03-18ND
2019-03-18ND
2019-05-201.05 ppb
2019-06-132.40 ppb
2021-05-1041149242.37 ppb
2021-05-1041149250.510 ppb
2022-05-094285652ND
2022-05-0942856453.32 ppb
2023-05-154455758ND
2023-05-154455759ND