Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Christian Life Center

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

 

19

Samples

17

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20183.16 ppb113.16 ppb
20198.09 ppb226.32 ppb - 9.86 ppb
202014.0 ppb4412.0 ppb - 17.9 ppb
202112.5 ppb448.93 ppb - 15.4 ppb
202214.0 ppb4413.4 ppb - 14.8 ppb
202313.2 ppb4412.0 ppb - 14.4 ppb

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
2018-03-21Q18115030013.16 ppb
2019-01-17Q19026770036.32 ppb
2019-12-16Q19800800019.86 ppb
2020-03-11Q201030900113.7 ppb
2020-06-09Q202312800112.3 ppb
2020-08-12Q203215000112.0 ppb
2020-11-16Q204488300117.9 ppb
2021-02-23Q210456600115.4 ppb
2021-06-03Q21144400018.93 ppb
2021-08-30Q212349400112.8 ppb
2021-12-01Q213319100213.0 ppb
2022-03-15Q220876700214.8 ppb
2022-04-28Q221281400513.5 ppb
2022-08-24Q222516900114.3 ppb
2022-12-14Q223784800113.4 ppb
2023-02-15Q230628700112.0 ppb
2023-04-25Q231552900213.0 ppb
2023-07-26Q232982200114.4 ppb
2023-12-06Q235215400213.4 ppb