cis-1,2-Dichloroethylene
Horsham Water&sewer Authority
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.
95
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 | 13 | 0 | ND |
| 2020 | ND | 23 | 0 | ND |
| 2021 | ND | 18 | 0 | ND |
| 2022 | ND | 18 | 0 | ND |
| 2023 | ND | 15 | 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 |
|---|---|---|
| 2018-01-30 | AF74813 | ND |
| 2018-01-30 | AF74814 | ND |
| 2018-02-13 | AF75932 | ND |
| 2018-03-23 | AF79016 | ND |
| 2018-06-22 | AF86999 | ND |
| 2018-08-30 | AF94269 | ND |
| 2018-10-03 | AF96985 | ND |
| 2018-12-27 | AG04620 | ND |
| 2019-02-11 | AG07773 | ND |
| 2019-02-11 | AG07771 | ND |
| 2019-02-11 | AG07775 | ND |
| 2019-02-11 | AG07772 | ND |
| 2019-02-27 | AG09179 | ND |
| 2019-04-11 | AG13046 | ND |
| 2019-04-11 | AG13047 | ND |
| 2019-05-09 | AG16016 | ND |
| 2019-05-09 | AG16019 | ND |
| 2019-05-23 | AG16891 | ND |
| 2019-08-21 | AG28299 | ND |
| 2019-09-18 | AG31925 | ND |
| 2019-09-18 | AG31924 | ND |
| 2020-01-16 | 21502654.00 | ND |
| 2020-01-16 | 21502633.00 | ND |
| 2020-01-16 | 21502612.00 | ND |
| 2020-01-16 | 21502591.00 | ND |
| 2020-03-12 | 21846177.00 | ND |
| 2020-03-12 | 21846156.00 | ND |
| 2020-03-12 | 21846135.00 | ND |
| 2020-03-12 | 21846114.00 | ND |
| 2020-03-12 | 21846093.00 | ND |
| 2020-04-08 | 22021655.00 | ND |
| 2020-04-08 | 22021613.00 | ND |
| 2020-04-08 | 22021592.00 | ND |
| 2020-04-08 | 22021634.00 | ND |
| 2020-05-20 | 22214497.00 | ND |
| 2020-05-20 | 22214476.00 | ND |
| 2020-07-22 | 22607031.00 | ND |
| 2020-07-22 | 22607010.00 | ND |
| 2020-07-22 | 22607052.00 | ND |
| 2020-07-22 | 22606989.00 | ND |
| 2020-10-21 | 23181838.00 | ND |
| 2020-10-21 | 23181817.00 | ND |
| 2020-10-21 | 23181775.00 | ND |
| 2020-10-21 | 23181796.00 | ND |
| 2021-01-06 | 23888195.00 | ND |
| 2021-01-06 | 23888174.00 | ND |
| 2021-01-06 | 23888132.00 | ND |
| 2021-01-06 | 23888153.00 | ND |
| 2021-05-13 | 24438524.00 | ND |
| 2021-05-13 | 24438503.00 | ND |
| 2021-05-13 | 24438482.00 | ND |
| 2021-05-13 | 24438461.00 | ND |
| 2021-07-08 | 24828060.00 | ND |
| 2021-07-21 | 24828165.00 | ND |
| 2021-07-21 | 24828228.00 | ND |
| 2021-07-21 | 24828207.00 | ND |
| 2021-07-21 | 24828186.00 | ND |
| 2021-07-29 | 25022378.00 | ND |
| 2021-09-29 | 25220223.00 | ND |
| 2021-10-07 | 25403883.00 | ND |
| 2021-10-13 | 25403918.00 | ND |
| 2021-10-27 | 25403928.00 | ND |
| 2022-01-05 | 26117083.00 | ND |
| 2022-01-12 | 26117041.00 | ND |
| 2022-01-12 | 26117062.00 | ND |
| 2022-02-10 | 26117140.00 | ND |
| 2022-02-17 | 26117104.00 | ND |
| 2022-02-24 | 26117117.00 | ND |
| 2022-04-06 | 26463497.00 | ND |
| 2022-04-20 | 26463539.00 | ND |
| 2022-04-20 | 26463560.00 | ND |
| 2022-04-20 | 26463518.00 | ND |
| 2022-07-07 | 27037093.00 | ND |
| 2022-07-13 | 27037072.00 | ND |
| 2022-07-13 | 27037051.00 | ND |
| 2022-07-14 | 27037030.00 | ND |
| 2022-11-02 | 27822984.00 | ND |
| 2022-11-09 | 27822921.00 | ND |
| 2022-11-10 | 27822942.00 | ND |
| 2022-11-10 | 27822963.00 | ND |
| 2023-01-18 | 28172695.00 | ND |
| 2023-01-19 | 28172674.00 | ND |
| 2023-01-26 | 28172716.00 | ND |
| 2023-01-26 | 28172737.00 | ND |
| 2023-04-12 | 28702126.00 | ND |
| 2023-04-26 | 28702168.00 | ND |
| 2023-04-26 | 28702189.00 | ND |
| 2023-04-26 | 28702105.00 | ND |
| 2023-04-26 | 28702147.00 | ND |
| 2023-07-27 | 29301881.00 | ND |
| 2023-07-27 | 29301860.00 | ND |
| 2023-07-27 | 29301902.00 | ND |
| 2023-10-19 | 29886660.00 | ND |
| 2023-10-19 | 29886639.00 | ND |
| 2023-10-19 | 29886618.00 | ND |