Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Swan Lake Resort

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201819.1 ppb53ND - 32.6 ppb
201915.4 ppb54ND - 32.8 ppb
202011.9 ppb54ND - 19.1 ppb
202111.6 ppb94ND - 34.8 ppb
2022ND80ND
2023ND80ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-02-12229556600132.6 ppb
2018-04-027048424001-VOCND
2018-08-207062719001-VOC31.5 ppb
2018-08-207062720001-VOCND
2018-10-017067151001-VOC31.4 ppb
2019-01-237077588001-VOCND
2019-06-127093684001-VOC13.4 ppb
2019-06-257095249001-VOC23.0 ppb
2019-08-2270102615001-VOC7.60 ppb
2019-10-2970110273001-VOC32.8 ppb
2020-01-29P20-00625-0119.1 ppb
2020-06-0270132984001-VOC18.4 ppb
2020-09-1070145551001-VOCND
2020-09-1070145552001-VOC6.80 ppb
2020-11-1270153541001-VOC15.4 ppb
2021-02-01P21-00714-01VOC25.5 ppb
2021-02-01P21-00715-01VOC34.8 ppb
2021-04-20P21-03124-01ND
2021-04-20P21-03125-01ND
2021-07-29P21-08019-0130.0 ppb
2021-07-29P21-08020-01ND
2021-10-05P21-11214-01ND
2021-10-05P21-11215-01ND
2021-10-07P21-11250-0113.9 ppb
2022-01-20P22-00602-01ND
2022-01-20P22-00601-01ND
2022-04-12220412009-04ND
2022-04-12220412009-06ND
2022-08-09220809011-15ND
2022-08-09220809011-08ND
2022-10-04221004026-05ND
2022-10-11221011046-06ND
2023-01-04230104049-06ND
2023-01-17230117046-06ND
2023-05-25230504079-05ND
2023-05-25230504079-06ND
2023-07-12230712045-08ND
2023-07-12230712045-15ND
2023-10-05231005077-07ND
2023-10-05231005077-13ND