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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Bella Vista City Water System

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

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND150ND
2015N/A00N/A
2016N/A00N/A
2017ND160ND
2018ND10ND
2019ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-01-1414A0502-05(4V)ND
2014-01-1414A0499-01(4V)ND
2014-01-1414A0499-03(4V)ND
2014-01-1414A0499-05(4V)ND
2014-01-1414A0501-01(4V)ND
2014-01-1414A0501-03(4V)ND
2014-01-1414A0501-05(4V)ND
2014-01-1414A0502-01(4V)ND
2014-01-1414A0502-03(4V)ND
2014-01-1514A0578-07(4V)ND
2014-01-1514A0578-05(4V)ND
2014-01-1514A0578-03(4V)ND
2014-01-1514A0578-01(4V)ND
2014-01-1514A0577-03(4V)ND
2014-01-1514A0577-01(4V)ND
2017-02-2117B0651-11(4V)ND
2017-02-2117B0651-13(4V)ND
2017-02-2117B0651-09(4V)ND
2017-02-2117B0650-01(4V)ND
2017-02-2117B0650-03(4V)ND
2017-02-2117B0650-05(4V)ND
2017-02-2117B0650-07(4V)ND
2017-02-2117B0650-09(4V)ND
2017-02-2117B0650-11(4V)ND
2017-02-2117B0650-13(4V)ND
2017-02-2117B0651-01(4V)ND
2017-02-2117B0651-03(4V)ND
2017-02-2117B0651-05(4V)ND
2017-02-2117B0651-07(4V)ND
2017-02-2317B0697-01(4V)ND
2017-04-1217D0474-01(4V)ND
2018-02-2018B0525-01(4V)ND
2019-01-1519A0391-01(4V)ND
2019-01-1519A0391-02(4V)ND