1,1-Dichloroethylene
Calleguas Municipal Water District
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
47
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 | 7 | 0 | ND |
| 2015 | ND | 9 | 0 | ND |
| 2016 | ND | 8 | 0 | ND |
| 2017 | ND | 8 | 0 | ND |
| 2018 | ND | 8 | 0 | ND |
| 2019 | ND | 7 | 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 |
|---|---|---|
| 2014-01-10 | 5867-010-1130 | ND |
| 2014-01-10 | 5867-006-0945 | ND |
| 2014-03-21 | 5867-007-1125 | ND |
| 2014-04-11 | 5867-009-1010 | ND |
| 2014-04-18 | 5867-011-1030 | ND |
| 2014-05-07 | 5867-004-0915 | ND |
| 2014-11-18 | 5867-008-1315 | ND |
| 2015-02-02 | 5867-004-0815 | ND |
| 2015-02-19 | 5867-017-1415 | ND |
| 2015-02-26 | 5867-004-1045 | ND |
| 2015-10-21 | 5867-014-1020 | ND |
| 2015-10-27 | 5867-016-1130 | ND |
| 2015-10-27 | 5867-015-1300 | ND |
| 2015-10-27 | 5867-012-1030 | ND |
| 2015-11-04 | 5867-004-1340 | ND |
| 2015-11-05 | 5867-013-1140 | ND |
| 2016-04-04 | 5867-004-0840 | ND |
| 2016-04-05 | 5867-023-1000 | ND |
| 2016-04-05 | 5867-022-0930 | ND |
| 2016-04-06 | 5867-021-1150 | ND |
| 2016-04-06 | 5867-020-1305 | ND |
| 2016-04-06 | 5867-019-1030 | ND |
| 2016-04-06 | 5867-018-1100 | ND |
| 2016-11-07 | 5867-004-0745 | ND |
| 2017-03-21 | 5867-004-1040 | ND |
| 2017-04-17 | 5867-009-1245 | ND |
| 2017-04-17 | 5867-008-1005 | ND |
| 2017-04-18 | 5867-006-1130 | ND |
| 2017-04-19 | 5867-011-1050 | ND |
| 2017-10-16 | 5867-004-0855 | ND |
| 2017-11-06 | 5867-007-1015 | ND |
| 2017-11-06 | 5867-010-1120 | ND |
| 2018-02-13 | 5867-016-0945 | ND |
| 2018-02-13 | 5867-015-1050 | ND |
| 2018-02-26 | 5867-004-0915 | ND |
| 2018-03-07 | 5867-013-1320 | ND |
| 2018-03-08 | 5867-014-1330 | ND |
| 2018-03-08 | 5867-012-1000 | ND |
| 2018-04-30 | 5867-017-1030 | ND |
| 2018-11-05 | 5867-004-0820 | ND |
| 2019-01-29 | 5867-004-0930 | ND |
| 2019-02-04 | 5867-018-0945 | ND |
| 2019-02-05 | 5867-022-1020 | ND |
| 2019-02-05 | 5867-023-0945 | ND |
| 2019-02-07 | 5867-020-0840 | ND |
| 2019-02-19 | 5867-019-1100 | ND |
| 2019-11-04 | 5867-004-0800 | ND |