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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Carolina Beach 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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND90ND
2017ND10ND
2018N/A00N/A
2019ND100ND

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
2014-07-0737729_14-19836ND
2015-08-03ND
2016-08-0837729_16-26799ND
2016-08-0837729_16-26801ND
2016-08-0837729_16-26802ND
2016-08-0837729_16-26803ND
2016-08-0837729_16-26804ND
2016-08-0837729_16-26805ND
2016-08-0837729_16-26806ND
2016-08-0837729_16-26807ND
2016-08-0837729_16-26808ND
2017-08-1037729_17-28383ND
2019-08-0937729_19-33894 ND
2019-08-0937729_19-33895 ND
2019-08-0937729_19-33896 ND
2019-08-0937729_19-33897 ND
2019-08-0937729_19-33898 ND
2019-08-0937729_19-33899 ND
2019-08-0937729_19-33900 ND
2019-08-0937729_19-33901 ND
2019-10-3037729_19-46749 ND
2019-10-3037729_19-46750 ND