cis-1,2-Dichloroethylene
City of Texas City
NOTE: City of Texas City purchases water from Gulf Coast Water Authority Tx City which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Gulf Coast Water Authority Tx City.
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 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
NOTE: City of Texas City purchases water from Gulf Coast Water Authority Tx City which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Gulf Coast Water Authority Tx City.
Date | Lab ID | Result |
---|---|---|
2014-07-18 | AC60287 | ND |
2015-07-06 | AC98433 | ND |
2016-09-29 | AD52080 | ND |
2017-07-21 | AD90384 | ND |
2018-07-11 | AE32989 | ND |
2019-07-29 | AE76192 | ND |