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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Brownsville Public Utilities Board

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
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
2014-09-24AC68095ND
2014-09-24AC68089ND
2015-09-24AD08518ND
2015-09-24AD08500ND
2016-07-28AD46216ND
2016-07-28AD46202ND
2017-08-16AD93255ND
2017-08-16AD93253ND
2018-08-07AE35972ND
2018-08-07AE35974ND
2019-07-09AE73699ND
2019-07-09AE73711ND