1,1-Dichloroethylene
West Brazos Water Supply Corporation
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 3 | 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 |
|---|---|---|
| 2015-03-18 | AC85075 | ND |
| 2015-12-08 | AD15977 | ND |
| 2016-03-03 | AD26913 | ND |
| 2016-03-03 | AD26911 | ND |
| 2017-02-15 | Q1706555001 | ND |
| 2017-06-22 | Q1726207006 | ND |
| 2017-11-28 | Q1760204011 | ND |
| 2018-09-19 | Q1837446002 | ND |
| 2018-09-19 | Q1837446004 | ND |
| 2018-09-19 | Q1837446005 | ND |
| 2019-10-23 | Q1973493001 | ND |
| 2019-10-23 | Q1973490003 | ND |
| 2019-10-23 | Q1973490001 | ND |