Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

cis-1,2-Dichloroethylene

Hampshire

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND40ND
2016ND30ND
2017ND10ND
2018ND50ND
2019N/A00N/A

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
2014-03-071403298-001AND
2014-04-021404127-001AND
2015-01-071501294-001AND
2015-06-031506274-003AND
2015-08-041508354-001AND
2015-10-071510473-001AND
2016-02-031602308-001AND
2016-06-081606805-001AND
2016-06-081606805-003AND
2017-04-181704D38-001AND
2018-02-071802472-001AND
2018-02-071802472-003AND
2018-03-1218C0318-01_01ND
2018-05-021805217-001AND
2018-10-1618J0540-01_02ND