cis-1,2-Dichloroethylene
Cedarpines Park Mutual Water Company
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.
20
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 13 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-06-05 | 3761-008-0700 | ND |
| 2016-01-19 | 3761-018-0800 | ND |
| 2017-02-01 | 3761-014-1245 | ND |
| 2017-02-01 | 3761-027-1205 | ND |
| 2017-02-01 | 3761-020-1200 | ND |
| 2017-02-01 | 3761-019-1150 | ND |
| 2017-02-01 | 3761-018-1255 | ND |
| 2017-02-01 | 3761-016-1230 | ND |
| 2017-02-01 | 3761-015-1226 | ND |
| 2017-02-01 | 3761-013-1247 | ND |
| 2017-02-01 | 3761-012-1224 | ND |
| 2017-02-01 | 3761-008-1305 | ND |
| 2017-07-25 | 3761-008-0800 | ND |
| 2017-10-16 | 3761-009-1030 | ND |
| 2017-10-16 | 3761-007-1012 | ND |
| 2018-03-27 | 3761-009-0950 | ND |
| 2018-03-27 | 3761-007-0945 | ND |
| 2019-03-19 | 3761-008-1035 | ND |
| 2019-09-30 | 3761-003-0900 | ND |
| 2019-09-30 | 3761-017-0815 | ND |