1,1-Dichloroethylene
Belvidere
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
29
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 7 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 8 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 6 | 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 |
|---|---|---|
| 2014-01-14 | 4012040-01 | ND |
| 2014-07-15 | 4072838-02 | ND |
| 2014-07-15 | 4072838-03 | ND |
| 2014-07-15 | 4072838-04 | ND |
| 2014-07-15 | 4072838-05 | ND |
| 2014-07-15 | 4072838-06 | ND |
| 2014-07-15 | 4072838-01 | ND |
| 2015-08-04 | 5081145-01 | ND |
| 2015-10-27 | 5104292-01 | ND |
| 2016-01-05 | 6011007-01 | ND |
| 2016-04-05 | 6041267-01 | ND |
| 2017-02-06 | 7021693-01 | ND |
| 2017-09-07 | 7091360-04 | ND |
| 2017-09-07 | 7091360-05 | ND |
| 2017-09-07 | 7091360-03 | ND |
| 2017-09-07 | 7091360-02 | ND |
| 2017-09-07 | 7091360-01 | ND |
| 2017-12-06 | 1712475-001A | ND |
| 2017-12-08 | 1712A19-001A | ND |
| 2018-02-14 | 1802859-001A | ND |
| 2018-02-14 | 1802859-003A | ND |
| 2018-05-02 | 1805208-001A | ND |
| 2018-10-30 | 1810N07-001A | ND |
| 2019-01-09 | 1901535-001A | ND |
| 2019-01-09 | 1901535-002A | ND |
| 2019-05-08 | 1905634-001A | ND |
| 2019-08-27 | 19H1065-01 | ND |
| 2019-08-27 | 19H1065-02 | ND |
| 2019-08-27 | 19H1065-03 | ND |