1,1-Dichloroethylene
Telford Borough Authority
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
82
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 |
|---|---|---|---|---|
| 2018 | ND | 14 | 0 | ND |
| 2019 | ND | 14 | 0 | ND |
| 2020 | ND | 14 | 0 | ND |
| 2021 | ND | 12 | 0 | ND |
| 2022 | ND | 14 | 0 | ND |
| 2023 | ND | 14 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2018-02-12 | 20180562 | ND |
| 2018-02-12 | 20180560 | ND |
| 2018-02-12 | 20180561 | ND |
| 2018-05-03 | 20181778 | ND |
| 2018-05-03 | 20181777 | ND |
| 2018-05-03 | 20181776 | ND |
| 2018-05-03 | 20181774 | ND |
| 2018-05-03 | 20181775 | ND |
| 2018-08-01 | 20182933 | ND |
| 2018-08-01 | 20182931 | ND |
| 2018-08-01 | 20182932 | ND |
| 2018-11-27 | 8114737-02 | ND |
| 2018-11-27 | 8114737-01 | ND |
| 2018-11-27 | 8114737-03 | ND |
| 2019-02-06 | 20190503 | ND |
| 2019-02-06 | 20190504 | ND |
| 2019-02-06 | 20190505 | ND |
| 2019-05-01 | 20191634 | ND |
| 2019-05-01 | 20191637 | ND |
| 2019-05-01 | 20191635 | ND |
| 2019-05-01 | 20191633 | ND |
| 2019-05-01 | 20191636 | ND |
| 2019-08-07 | 20193060 | ND |
| 2019-08-07 | 20193062 | ND |
| 2019-08-07 | 20193061 | ND |
| 2019-11-06 | 20194363 | ND |
| 2019-11-06 | 20194361 | ND |
| 2019-11-06 | 20194362 | ND |
| 2020-02-05 | 21669878.00 | ND |
| 2020-02-05 | 21669857.00 | ND |
| 2020-02-05 | 21669836.00 | ND |
| 2020-05-06 | 22218194.00 | ND |
| 2020-05-06 | 22218173.00 | ND |
| 2020-05-06 | 22218152.00 | ND |
| 2020-05-06 | 22218131.00 | ND |
| 2020-05-06 | 22218110.00 | ND |
| 2020-08-05 | 22610585.00 | ND |
| 2020-08-05 | 22610606.00 | ND |
| 2020-08-05 | 22610627.00 | ND |
| 2020-11-04 | 23364700.00 | ND |
| 2020-11-04 | 23364721.00 | ND |
| 2020-12-01 | 23540055.00 | ND |
| 2021-02-03 | 23891157.00 | ND |
| 2021-02-03 | 23891199.00 | ND |
| 2021-02-03 | 23891178.00 | ND |
| 2021-05-19 | 24441405.00 | ND |
| 2021-05-19 | 24441363.00 | ND |
| 2021-05-19 | 24441447.00 | ND |
| 2021-05-19 | 24441426.00 | ND |
| 2021-05-19 | 24441384.00 | ND |
| 2021-08-04 | 24831812.00 | ND |
| 2021-08-04 | 24831833.00 | ND |
| 2021-11-03 | 25590471.00 | ND |
| 2021-11-03 | 25590450.00 | ND |
| 2022-02-02 | 26119955.00 | ND |
| 2022-02-02 | 26119976.00 | ND |
| 2022-03-02 | 26289904.00 | ND |
| 2022-05-04 | 26651313.00 | ND |
| 2022-05-04 | 26651292.00 | ND |
| 2022-05-04 | 26651271.00 | ND |
| 2022-05-04 | 26651250.00 | ND |
| 2022-06-08 | 26845267.00 | ND |
| 2022-08-03 | 27236562.00 | ND |
| 2022-08-03 | 27236583.00 | ND |
| 2022-08-03 | 27236541.00 | ND |
| 2022-11-02 | 27825175.00 | ND |
| 2022-11-02 | 27825196.00 | ND |
| 2022-11-02 | 27825154.00 | ND |
| 2023-02-01 | 28351672.00 | ND |
| 2023-02-01 | 28351693.00 | ND |
| 2023-02-01 | 28351714.00 | ND |
| 2023-05-22 | 28902980.00 | ND |
| 2023-05-22 | 28902978.00 | ND |
| 2023-05-22 | 28902977.00 | ND |
| 2023-05-22 | 28902981.00 | ND |
| 2023-05-22 | 28902979.00 | ND |
| 2023-08-02 | 29499987.00 | ND |
| 2023-08-02 | 29499966.00 | ND |
| 2023-08-02 | 29499945.00 | ND |
| 2023-11-01 | 30073672.00 | ND |
| 2023-11-01 | 30073651.00 | ND |
| 2023-11-01 | 30073630.00 | ND |