1,1-Dichloroethylene
Boys Ranch Town
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 | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 9 | 0 | ND |
2018 | ND | 7 | 0 | ND |
2019 | ND | 8 | 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 | 039494.001 | ND |
2015-02-05 | 052973.001 | ND |
2016-03-30 | SDWA-1024553-00 | ND |
2016-09-27 | SDWA-1074797-00 | ND |
2017-03-20 | SDWA-1136591-00 | ND |
2017-03-20 | SDWA-1136590-00 | ND |
2017-05-09 | SDWA-1150974-00 | ND |
2017-05-09 | SDWA-1150969-00 | ND |
2017-09-12 | SDWA-1192046-00 | ND |
2017-09-12 | SDWA-1192042-00 | ND |
2017-09-12 | SDWA-1192037-00 | ND |
2017-11-28 | SDWA-1214426-00 | ND |
2017-11-28 | SDWA-1214421-00 | ND |
2018-02-12 | SDWA-1237821-00 | ND |
2018-04-11 | SDWA-1253546-00 | ND |
2018-06-04 | SDWA-1268265-00 | ND |
2018-08-23 | SDWA-1291394-00 | ND |
2018-08-23 | SDWA-1291389-00 | ND |
2018-10-15 | SDWA-1313813-00 | ND |
2018-10-15 | SDWA-1313808-00 | ND |
2019-02-12 | SDWA-1339118-00 | ND |
2019-02-12 | SDWA-1339113-00 | ND |
2019-03-19 | SDWA-1361395-00 | ND |
2019-03-19 | SDWA-1361390-00 | ND |
2019-07-30 | SDWA-1392392-00 | ND |
2019-07-30 | SDWA-1392387-00 | ND |
2019-10-23 | SDWA-1424992-00 | ND |
2019-10-23 | SDWA-1424997-00 | ND |