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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

City of Columbus

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.

 

98

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.608 ppb1310ND - 1.19 ppb
20150.329 ppb2110ND - 0.986 ppb
20160.0874 ppb203ND - 0.629 ppb
20170.0631 ppb212ND - 0.782 ppb
20180.0298 ppb171ND - 0.506 ppb
2019ND60ND

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
2014-01-272784761.19 ppb
2014-04-072934751.11 ppb
2014-07-073097380.920 ppb
2014-08-113104740.700 ppb
2014-09-233241870.591 ppb
2014-09-233241880.539 ppb
2014-09-23324189ND
2014-09-233241900.756 ppb
2014-10-063285941.03 ppb
2014-10-273329090.552 ppb
2014-10-27332910ND
2014-10-27332911ND
2014-10-273329120.513 ppb
2015-01-053433220.986 ppb
2015-02-09343323ND
2015-03-023487180.606 ppb
2015-03-02348719ND
2015-03-023487200.696 ppb
2015-03-02348721ND
2015-04-013536350.941 ppb
2015-06-013649570.674 ppb
2015-06-013649580.561 ppb
2015-06-013649590.618 ppb
2015-06-013649600.625 ppb
2015-07-06371054ND
2015-09-08378741ND
2015-09-08378743ND
2015-09-08378742ND
2015-09-08378740ND
2015-10-053918820.705 ppb
2015-12-01402126ND
2015-12-014021270.506 ppb
2015-12-01402128ND
2015-12-01402129ND
2016-01-200.629 ppb
2016-02-29ND
2016-02-29ND
2016-02-29ND
2016-02-29ND
2016-04-11ND
2016-06-08ND
2016-06-080.539 ppb
2016-06-08ND
2016-06-08ND
2016-07-050.580 ppb
2016-09-06ND
2016-09-06ND
2016-09-06ND
2016-09-06ND
2016-11-07ND
2016-12-05ND
2016-12-05ND
2016-12-05ND
2016-12-05ND
2017-03-010.782 ppb
2017-03-06ND
2017-03-06ND
2017-03-06ND
2017-03-06ND
2017-04-10ND
2017-06-05ND
2017-06-05ND
2017-06-05ND
2017-06-05ND
2017-06-12ND
2017-09-06ND
2017-09-06ND
2017-09-06ND
2017-09-06ND
2017-09-110.544 ppb
2017-10-10ND
2017-12-04ND
2017-12-04ND
2017-12-04ND
2017-12-04ND
2018-01-03530737ND
2018-02-26530738ND
2018-03-05534068ND
2018-03-05534067ND
2018-03-05534066ND
2018-03-05534065ND
2018-04-02541803ND
2018-06-04549786ND
2018-06-04549787ND
2018-06-04549788ND
2018-06-04549789ND
2018-07-095601500.506 ppb
2018-09-04568495ND
2018-09-04568496ND
2018-09-04568497ND
2018-09-04568498ND
2018-10-15577007ND
2019-01-14590554ND
2019-04-01602852ND
2019-07-08621112ND
2019-07-15623646ND
2019-07-15623645ND
2019-10-07638483ND