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EWG's Tap Water Database — 2019 UPDATE

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1,1-Dichloroethylene

Centerville City Water System

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

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
2014ND50ND
2015ND70ND
2016N/A00N/A
2017ND60ND

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 Result
2012-01-10ND
2013-05-09ND
2014-01-06ND
2014-01-06ND
2014-07-07ND
2014-07-07ND
2014-08-10ND
2015-04-10ND
2015-04-10ND
2015-07-21ND
2015-07-21ND
2015-07-22ND
2015-07-22ND
2015-07-22ND
2017-01-10ND
2017-01-10ND
2017-01-10ND
2017-02-22ND
2017-04-03ND
2017-07-06ND