1,1-Dichloroethylene
Linda County Water District
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
13
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 | 5 | 0 | ND |
| 2017 | ND | 6 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2016-06-22 | 3334-001-0803 | ND |
| 2016-06-22 | 3334-002-0810 | ND |
| 2016-06-22 | 3334-007-0930 | ND |
| 2016-06-22 | 3334-009-0920 | ND |
| 2016-06-22 | 3334-011-0900 | ND |
| 2017-08-09 | 3334-001-1030 | ND |
| 2017-08-09 | 3334-002-1044 | ND |
| 2017-08-09 | 3334-007-1155 | ND |
| 2017-08-09 | 3334-009-1145 | ND |
| 2017-08-09 | 3334-011-1110 | ND |
| 2017-08-09 | 3334-015-1110 | ND |
| 2019-09-25 | 3334-001-1025 | ND |
| 2019-09-25 | 3334-002-1025 | ND |