1,1-Dichloroethylene
Ladd Water
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 | ND | 2 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-04-21 | 14113000301 | ND |
| 2014-06-05 | 14157003101 | ND |
| 2015-04-20 | 15113010701 | ND |
| 2016-05-23 | 16147000901 | ND |
| 2016-05-23 | 16147000701 | ND |
| 2016-05-23 | 16147000801 | ND |
| 2016-05-23 | 16147001001 | ND |
| 2017-04-18 | 17109001501 | ND |
| 2018-05-21 | 18144009101 | ND |
| 2019-04-17 | 19108005101 | ND |
| 2019-04-17 | 19108005301 | ND |
| 2019-04-17 | 19108005201 | ND |
| 2019-04-17 | 19108005001 | ND |