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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Naval Station, Newport

NOTE: Naval Station, Newport purchases water from City of Newport which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by City of Newport.

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.

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND80ND
2016ND20ND
2017ND100ND
2018ND80ND
2019ND80ND

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

NOTE: Naval Station, Newport purchases water from City of Newport which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by City of Newport.

Date Lab ID Result
2014-01-061401012-03_TO12ND
2014-01-061401012-08_TO12ND
2014-05-211402793-06_TO12ND
2014-05-211402793-05_TO12ND
2014-07-021403537-01_TO12ND
2014-07-021403537-05_TO12ND
2014-07-021403537-04_TO12ND
2014-07-021403537-03_TO12ND
2015-01-121501069-08_TO12ND
2015-01-121501069-03_TO12ND
2015-06-011502384-01_TO12ND
2015-06-011502384-02_TO12ND
2015-07-201503232-04_TO12ND
2015-07-201503232-06_TO12ND
2015-07-201503232-05_TO12ND
2015-07-201503232-03_TO12ND
2016-01-111600887-08_TO12ND
2016-01-111600887-02_TO12ND
2016-05-091602070-04_TO12ND
2016-05-091602070-05_TO12ND
2016-07-251603626-02_TO12ND
2016-07-251603626-04_TO12ND
2016-07-251603626-03_TO12ND
2016-07-251603626-01_TO12ND
2017-01-241701020-02_TO12ND
2017-01-251701027-06_TO12ND
2017-05-151702185-02_TO12ND
2017-05-151702185-01_TO12ND
2017-07-101703108-03_TO12ND
2017-07-101703108-02_TO12ND
2017-07-101703108-01_TO12ND
2017-07-101703108-04_TO12ND
2017-10-171710399-02_TO12ND
2017-10-171710399-01_TO12ND
2018-01-161800888-02_TO12ND
2018-01-221800936-07_TO12ND
2018-06-041802314-04_TO12ND
2018-06-041802314-05_TO12ND
2018-07-171803078-03_TO12ND
2018-07-171803078-05_TO12ND
2018-07-171803078-04_TO12ND
2018-07-171803078-02_TO12ND
2019-01-151900857-10_TO12ND
2019-01-151900857-11_TO12ND
2019-05-071901920-05_TO12ND
2019-05-071901920-06_TO12ND
2019-08-061903576-01_TO12ND
2019-08-061903576-03_TO12ND
2019-08-061903576-02_TO12ND
2019-08-291904072-02_TO12ND