Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

City of Woodway

NOTE: City of Woodway purchases water from City of Waco which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by City of Waco.

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

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND60ND
2020ND70ND
2021ND60ND
2022ND60ND
2023ND60ND

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

NOTE: City of Woodway purchases water from City of Waco which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by City of Waco.

Date Lab ID Result
2018-07-19AE33959ND
2018-07-19AE33981ND
2019-07-23AE75565ND
2019-07-23AE75567ND
2020-02-05AE97085ND
2020-08-04AF21834ND
2020-08-04AF21836ND
2021-07-21AF62957ND
2021-07-21AF62959ND
2022-07-06AG03334ND
2022-07-06AG03338ND
2023-08-02AG51088ND
2023-08-02AG51114ND