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EWG's Tap Water Database — 2019 UPDATE

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1,1-Dichloroethylene

City of Baltimore

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
2012ND20ND
2013ND30ND
2014ND30ND
2015N/A00N/A
2016ND30ND
2017ND10ND

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
2012-04-300300002_01_TREATND
2012-04-300300002_02_TREATND
2013-01-250300002_01_TREATND
2013-01-250300002_02_TREATND
2013-01-250300002_02_TREATND
2014-02-040300002_01_TREATND
2014-02-110300002_02_TREATND
2014-02-120300002_02_TREATND
2016-05-050300002_TREATED_ND
2016-05-100300002_TREATED_ND
2016-05-160300002_TREATEDTND
2017-04-06TREATED_AND