1,1-Dichloroethylene
Gettysburg Municipal Authority
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
67
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 | 10 | 0 | ND |
| 2019 | ND | 9 | 0 | ND |
| 2020 | ND | 13 | 0 | ND |
| 2021 | ND | 11 | 0 | ND |
| 2022 | ND | 10 | 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 |
|---|---|---|
| 2018-02-16 | 8004942-01 | ND |
| 2018-02-16 | 8004942-04 | ND |
| 2018-02-16 | 8004942-02 | ND |
| 2018-02-16 | 8004942-03 | ND |
| 2018-06-07 | 8016343-03 | ND |
| 2018-06-07 | 8016343-04 | ND |
| 2018-09-19 | 8028077-02 | ND |
| 2018-09-19 | 8028077-01 | ND |
| 2018-12-11 | 8037566-01 | ND |
| 2018-12-11 | 8037566-02 | ND |
| 2019-03-13 | 9008380-02 | ND |
| 2019-03-13 | 9008380-01 | ND |
| 2019-03-19 | 9009257-01 | ND |
| 2019-06-05 | 9019242-03 | ND |
| 2019-06-05 | 9019242-02 | ND |
| 2019-06-05 | 9019242-04 | ND |
| 2019-06-05 | 9019242-01 | ND |
| 2019-11-27 | 9042107-02 | ND |
| 2019-11-27 | 9042107-01 | ND |
| 2020-03-03 | 21965956.00 | ND |
| 2020-03-03 | 21965935.00 | ND |
| 2020-06-03 | 22349848.00 | ND |
| 2020-06-03 | 22349827.00 | ND |
| 2020-08-18 | 22936911.00 | ND |
| 2020-08-18 | 22936890.00 | ND |
| 2020-08-19 | 22936869.00 | ND |
| 2020-08-19 | 22936848.00 | ND |
| 2020-08-24 | 22936979.00 | ND |
| 2020-08-24 | 22936958.00 | ND |
| 2020-08-24 | 22936937.00 | ND |
| 2020-12-01 | 23480652.00 | ND |
| 2020-12-01 | 23480631.00 | ND |
| 2021-03-02 | 24185793.00 | ND |
| 2021-03-02 | 24185772.00 | ND |
| 2021-06-21 | 24770324.00 | ND |
| 2021-06-21 | 24770326.00 | ND |
| 2021-06-21 | 24770323.00 | ND |
| 2021-06-21 | 24770325.00 | ND |
| 2021-06-23 | 24770327.00 | ND |
| 2021-08-18 | 25160072.00 | ND |
| 2021-08-18 | 25160093.00 | ND |
| 2021-10-19 | 25531538.00 | ND |
| 2021-11-02 | 25531866.00 | ND |
| 2022-01-18 | 26063427.00 | ND |
| 2022-02-01 | 26063720.00 | ND |
| 2022-04-12 | 26589400.00 | ND |
| 2022-04-12 | 26589421.00 | ND |
| 2022-04-19 | 26589486.00 | ND |
| 2022-07-26 | 27174036.00 | ND |
| 2022-07-26 | 27174015.00 | ND |
| 2022-07-26 | 27173994.00 | ND |
| 2022-10-11 | 27768765.00 | ND |
| 2022-10-11 | 27768744.00 | ND |
| 2023-02-21 | 28466276.00 | ND |
| 2023-02-21 | 28466255.00 | ND |
| 2023-02-28 | 28466366.00 | ND |
| 2023-02-28 | 28466387.00 | ND |
| 2023-03-21 | 28645596.00 | ND |
| 2023-04-18 | 28839833.00 | ND |
| 2023-04-18 | 28839812.00 | ND |
| 2023-04-25 | 28840180.00 | ND |
| 2023-04-25 | 28840159.00 | ND |
| 2023-05-16 | 29040435.00 | ND |
| 2023-08-01 | 29436208.00 | ND |
| 2023-08-01 | 29436187.00 | ND |
| 2023-10-24 | 30014347.00 | ND |
| 2023-10-24 | 30014326.00 | ND |