1,1-Dichloroethylene
Altoona Water Authority
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
34
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 | 6 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 6 | 0 | ND |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2014-08-07 | 4H07065-01 | ND |
| 2014-08-07 | 4H07067-01 | ND |
| 2014-08-08 | 4H08030-01 | ND |
| 2014-08-08 | 4H08045-01 | ND |
| 2014-08-08 | 4H08031-01 | ND |
| 2014-08-08 | 4H08044-01 | ND |
| 2015-07-22 | 13058947 | ND |
| 2015-07-22 | 13058968 | ND |
| 2015-07-22 | 13058989 | ND |
| 2015-07-22 | 13059052 | ND |
| 2015-07-22 | 13059010 | ND |
| 2015-07-22 | 13059031 | ND |
| 2016-07-13 | 14631774 | ND |
| 2016-07-13 | 14631820 | ND |
| 2016-07-13 | 14631797 | ND |
| 2016-07-13 | 14631751 | ND |
| 2016-07-14 | 14632186 | ND |
| 2017-02-14 | 15705265 | ND |
| 2017-08-08 | 16624633 | ND |
| 2017-08-08 | 16624612 | ND |
| 2017-08-08 | 16624654 | ND |
| 2017-08-08 | 16624675 | ND |
| 2017-08-16 | 16624712 | ND |
| 2018-08-28 | 8H28047-01 | ND |
| 2018-08-28 | 8H28031-01 | ND |
| 2018-08-28 | 8H28032-01 | ND |
| 2018-08-28 | 8H28051-01 | ND |
| 2018-08-28 | 8H28044-01 | ND |
| 2018-08-28 | 8H28046-01 | ND |
| 2019-11-06 | 9K07058-03 | ND |
| 2019-11-06 | 9K07058-01 | ND |
| 2019-11-07 | 9K07074-01 | ND |
| 2019-11-07 | 9K07072-01 | ND |
| 2019-12-05 | 9L05126-01 | ND |