cis-1,2-Dichloroethylene
North Milam Water Supply Corporation
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 1 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 0 | ND |
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 |
---|---|---|
2015-05-12 | AC91664 | ND |
2016-02-11 | AD23429 | ND |
2016-10-31 | AD55582 | ND |
2017-02-08 | AD69648 | ND |
2017-02-08 | AD69646 | ND |
2017-04-04 | AD78297 | ND |
2017-07-11 | AD88887 | ND |
2018-01-25 | AE10576 | ND |
2018-06-11 | AE29280 | ND |
2019-05-15 | AE66516 | ND |
2019-05-15 | AE66510 | ND |