cis-1,2-Dichloroethylene
Chowchilla City Water Department
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 | 3 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 4 | 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 |
---|---|---|
2015-07-29 | 5810-003-0800 | ND |
2015-07-29 | 5810-008-0820 | ND |
2015-08-03 | 5810-010-0915 | ND |
2016-08-30 | 5810-001-0901 | ND |
2016-08-30 | 5810-019-0901 | ND |
2017-03-28 | 5810-011-1515 | ND |
2017-03-28 | 5810-020-1614 | ND |
2018-05-30 | 5810-023-1300 | ND |
2018-09-05 | 5810-003-0825 | ND |
2018-09-05 | 5810-010-0752 | ND |
2018-09-05 | 5810-020-0740 | ND |
2019-08-13 | 5810-019-0739 | ND |
2019-09-16 | 5810-023-1045 | ND |