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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Sun Prairie Utilities

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

MORE ABOUT THIS CONTAMINANT

 

42

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND130ND
2015ND100ND
2016ND40ND
2017ND80ND
2018ND40ND
2019ND30ND

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
2014-03-18775328ND
2014-03-18775285ND
2014-03-18775336ND
2014-03-18775330ND
2014-05-06784518ND
2014-05-06784519ND
2014-05-06784516ND
2014-05-06784515ND
2014-05-06784514ND
2014-08-19811529ND
2014-08-19811530ND
2014-10-15825805ND
2014-10-15825807ND
2015-03-04846348ND
2015-03-04846346ND
2015-03-04846354ND
2015-03-04846352ND
2015-03-04846356ND
2015-03-04846344ND
2015-03-04846350ND
2015-04-28856747ND
2015-09-09881828ND
2015-10-20890964ND
2016-05-18922018ND
2016-05-18922016ND
2016-08-09938123ND
2016-10-11952740ND
2017-02-07972682ND
2017-04-26985413ND
2017-04-26985429ND
2017-04-26985422ND
2017-04-26985418ND
2017-04-26985409ND
2017-07-111003142ND
2017-10-241026061ND
2018-01-291038884ND
2018-04-241051655ND
2018-04-241051659ND
2018-08-291077039ND
2019-07-231136249ND
2019-07-231136252ND
2019-12-041163398ND