1,1-Dichloroethylene
South Mesa Water Company
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
16
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 8 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 8 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 7 ppb
The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-08-02 | 3761-003-0750 | ND |
| 2016-08-02 | 3761-004-0810 | ND |
| 2016-08-02 | 3761-006-0830 | ND |
| 2016-08-02 | 3761-008-0905 | ND |
| 2016-08-02 | 3761-009-0920 | ND |
| 2016-08-02 | 3761-010-0945 | ND |
| 2016-08-02 | 3761-013-0845 | ND |
| 2016-08-02 | 3761-022-1005 | ND |
| 2019-08-12 | 3761-003-0930 | ND |
| 2019-08-12 | 3761-004-0945 | ND |
| 2019-08-12 | 3761-006-1000 | ND |
| 2019-08-12 | 3761-008-1020 | ND |
| 2019-08-12 | 3761-009-1030 | ND |
| 2019-08-12 | 3761-013-1015 | ND |
| 2019-08-12 | 3761-022-1110 | ND |
| 2019-09-30 | 3761-010-1050 | ND |