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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Richardson County Rural Water District 2

NOTE: Richardson County Rural Water District 2 purchases water from Falls City, City of which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Falls City, City of.

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

NOTE: Richardson County Rural Water District 2 purchases water from Falls City, City of which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Falls City, City of.

Date Lab ID Result
2014-09-15320896ND
2014-09-22324624ND
2014-09-22324625ND
2015-08-10375618ND
2015-08-10375619ND
2016-08-08ND
2016-08-08ND
2017-04-24ND
2017-08-01ND
2017-08-01ND
2018-08-14567277ND
2018-08-14567278ND
2019-08-12628466ND
2019-08-12628467ND