1,1-Dichloroethylene
Schofield Waterworks
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
28
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 | 6 | 0 | ND |
| 2015 | ND | 6 | 0 | ND |
| 2016 | ND | 6 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 3 | 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) 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 |
|---|---|---|
| 2014-02-10 | 769670 | ND |
| 2014-02-10 | 769666 | ND |
| 2014-02-10 | 769668 | ND |
| 2014-04-24 | 782514 | ND |
| 2014-07-16 | 803522 | ND |
| 2014-11-13 | 831497 | ND |
| 2015-03-03 | 846158 | ND |
| 2015-03-03 | 846154 | ND |
| 2015-03-03 | 846156 | ND |
| 2015-04-20 | 855168 | ND |
| 2015-07-07 | 869336 | ND |
| 2015-12-07 | 897130 | ND |
| 2016-02-09 | 904665 | ND |
| 2016-02-09 | 904667 | ND |
| 2016-02-09 | 904669 | ND |
| 2016-04-05 | 913780 | ND |
| 2016-08-10 | 938490 | ND |
| 2016-10-12 | 953076 | ND |
| 2017-06-20 | 999042 | ND |
| 2017-08-16 | 1011908 | ND |
| 2017-08-16 | 1011903 | ND |
| 2017-11-07 | 1028389 | ND |
| 2018-08-28 | 1076576 | ND |
| 2018-08-28 | 1076575 | ND |
| 2018-08-28 | 1076574 | ND |
| 2019-09-16 | 1148084 | ND |
| 2019-09-16 | 1148086 | ND |
| 2019-09-16 | 1148082 | ND |