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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

City of Bogalusa Water System

1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.

MORE ABOUT THIS CONTAMINANT

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 70 ppb

The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-11-05AD99252ND
2014-11-05AD99250ND
2014-11-05AD99249ND
2014-11-05AD99251ND
2014-11-05AD99252ND
2014-11-05AD99253ND
2014-11-05AD99251ND
2014-11-05AD99250ND
2014-11-05AD99249ND
2014-11-05AD99253ND
2016-09-1935267164002ND
2016-09-1935267164002ND
2016-09-1935267164001ND
2016-09-1935267164001ND
2017-08-1435331287003ND
2017-08-1435331287002ND
2017-08-1435331287001ND
2017-08-1435331287001ND
2017-08-1435331287002ND
2017-08-1435331287003ND
2017-08-1435331287004ND
2017-08-1435331287005ND
2017-08-1435331287004ND
2017-08-1435331287005ND
2018-04-0435384487002ND
2018-04-0435384487001ND
2018-04-0435384487002ND
2018-04-0435384487001ND
2019-07-1635483080001ND
2019-07-1635483080002ND
2019-07-1635483080001ND
2019-07-1635483080002ND