cis-1,2-Dichloroethylene
Paw Penn District
1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.
56
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 | 8 | 0 | ND |
| 2019 | ND | 10 | 0 | ND |
| 2020 | ND | 11 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 8 | 0 | ND |
| 2023 | ND | 11 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EPA Maximum Contaminant
Level (MCL): 70 ppb
The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-11 | 38161501 | ND |
| 2018-01-11 | 38161101 | ND |
| 2018-01-11 | 38161401 | ND |
| 2018-01-11 | 38161301 | ND |
| 2018-01-11 | 38161201 | ND |
| 2018-04-11 | 39072601 | ND |
| 2018-07-16 | 40207301 | ND |
| 2018-10-17 | 41961701 | ND |
| 2019-01-09 | 42499201 | ND |
| 2019-01-09 | 42499601 | ND |
| 2019-01-09 | 42499501 | ND |
| 2019-01-09 | 42499401 | ND |
| 2019-01-09 | 42499301 | ND |
| 2019-04-01 | 43658101 | ND |
| 2019-07-08 | 45016101 | ND |
| 2019-07-15 | 45716201 | ND |
| 2019-10-07 | 46831501 | ND |
| 2019-10-31 | 43999801 | ND |
| 2020-01-06 | 21542688.00 | ND |
| 2020-01-06 | 21542536.00 | ND |
| 2020-01-06 | 21542646.00 | ND |
| 2020-01-06 | 21542604.00 | ND |
| 2020-01-06 | 21542625.00 | ND |
| 2020-01-06 | 21542557.00 | ND |
| 2020-01-06 | 21542578.00 | ND |
| 2020-01-15 | 21542667.00 | ND |
| 2020-05-06 | 22261493.00 | ND |
| 2020-08-17 | 22843890.00 | ND |
| 2020-10-08 | 23224111.00 | ND |
| 2021-01-14 | 23754059.00 | ND |
| 2021-01-14 | 23754038.00 | ND |
| 2021-01-14 | 23754101.00 | ND |
| 2021-01-14 | 23754080.00 | ND |
| 2021-04-14 | 24290659.00 | ND |
| 2021-04-21 | 24290988.00 | ND |
| 2021-07-01 | 24873771.00 | ND |
| 2021-10-06 | 25448158.00 | ND |
| 2022-01-05 | 25982973.00 | ND |
| 2022-01-05 | 25982910.00 | ND |
| 2022-01-05 | 25982929.00 | ND |
| 2022-01-05 | 25982933.00 | ND |
| 2022-01-05 | 25982872.00 | ND |
| 2022-04-06 | 26506758.00 | ND |
| 2022-07-05 | 27082963.00 | ND |
| 2022-10-06 | 27684630.00 | ND |
| 2023-01-05 | 28212789.00 | ND |
| 2023-01-05 | 28212888.00 | ND |
| 2023-01-05 | 28212867.00 | ND |
| 2023-01-05 | 28212809.00 | ND |
| 2023-01-05 | 28212830.00 | ND |
| 2023-01-05 | 28212776.00 | ND |
| 2023-01-05 | 28212894.00 | ND |
| 2023-04-13 | 28749306.00 | ND |
| 2023-06-07 | 29155727.00 | ND |
| 2023-07-20 | 29346697.00 | ND |
| 2023-10-12 | 29928197.00 | ND |