1,1-Dichloroethylene
Fitchburg Utility District 1
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
20
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 | 6 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-03-04 | 121708001 | ND |
| 2014-08-19 | 152080001 | ND |
| 2014-08-19 | 152081001 | ND |
| 2014-08-19 | 152086001 | ND |
| 2014-08-19 | 152071001 | ND |
| 2014-08-19 | 152068001 | ND |
| 2015-07-30 | 35199919001-1 | ND |
| 2015-07-30 | 35199919002-1 | ND |
| 2015-07-30 | 35199919003-1 | ND |
| 2015-09-09 | 35206535001-1 | ND |
| 2016-08-17 | 939978 | ND |
| 2016-08-17 | 939984 | ND |
| 2016-08-17 | 939982 | ND |
| 2016-08-17 | 939980 | ND |
| 2017-07-19 | 1005313 | ND |
| 2017-07-19 | 1005316 | ND |
| 2017-07-19 | 1005319 | ND |
| 2017-07-19 | 1005322 | ND |
| 2018-07-26 | 1069933 | ND |
| 2019-07-24 | 1136903 | ND |