Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Wattsville Water Authority

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

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND30ND
20210.500 ppb220.500 ppb
2022ND30ND
2023ND30ND

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
2018-01-081801-00078-3ND
2018-01-081801-00078-5ND
2019-01-141901-00204-003ND
2019-01-141901-00204-004ND
2020-03-092003-00158-003ND
2020-03-092003-00158-004ND
2020-03-092003-00158-007ND
2021-01-062101-00069-0030.500 ppb
2021-01-062101-00069-0050.500 ppb
2022-03-152203-00287-002ND
2022-03-152203-00287-003ND
2022-03-152203-00287-004ND
2023-02-152302-00340-004ND
2023-02-152302-00340-005ND
2023-02-152302-00340-006ND