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EWG's Tap Water Database — 2019 UPDATE

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cis-1,2-Dichloroethylene

Exeter River Mobile Home Park

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20122.70 ppb112.70 ppb
20130.400 ppb21ND - 0.800 ppb
20144.30 ppb114.30 ppb
20155.20 ppb115.20 ppb
20165.90 ppb115.90 ppb
20175.20 ppb115.20 ppb

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
2012-08-16A2076150022.70 ppb
2013-08-29A3077110010.800 ppb
2013-10-31A309196001ND
2014-08-22A4070350024.30 ppb
2015-08-26A5073760025.20 ppb
2016-07-071607-00582-0015.90 ppb
2017-07-061707-00372-0015.20 ppb