cis-1,2-Dichloroethylene
Walnut Grove Utilities
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.
71
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 | 5 | 0 | ND |
| 2019 | ND | 12 | 0 | ND |
| 2020 | ND | 9 | 0 | ND |
| 2021 | ND | 13 | 0 | ND |
| 2022 | ND | 18 | 0 | ND |
| 2023 | ND | 14 | 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 |
|---|---|---|
| 2018-03-07 | 282520-2018-DW | ND |
| 2018-06-06 | 287632-2018-DW | ND |
| 2018-08-15 | 292292-2018-DWV | ND |
| 2018-08-15 | 292293-2018-DWV | ND |
| 2018-10-16 | 295667-2018-DWV | ND |
| 2019-02-26 | 301436-2019-DWV | ND |
| 2019-02-26 | 301437-2019-DW | ND |
| 2019-03-05 | 301698-2019-DWV | ND |
| 2019-03-05 | 301699-2019-DW | ND |
| 2019-03-12 | 302098-2019-DW | ND |
| 2019-03-12 | 302099-2019-DWA | ND |
| 2019-03-12 | 302100-2019-DWV | ND |
| 2019-04-02 | 303159-2019-DWV | ND |
| 2019-04-09 | 303654-2019-DW | ND |
| 2019-08-13 | 310365-2019DW | ND |
| 2019-12-03 | 317113-2019-DW | ND |
| 2019-12-04 | 317121-2019-DWA | ND |
| 2020-03-12 | 321782-2020-DWV | ND |
| 2020-03-12 | 321782-2020-DWV | ND |
| 2020-03-18 | 322191-2020-DWV | ND |
| 2020-06-11 | 326414-2020-DWV | ND |
| 2020-06-11 | 326413-2020-DW | ND |
| 2020-08-24 | 331119-2020-DW | ND |
| 2020-08-24 | 331118-2020-DW | ND |
| 2020-11-17 | 335914-2020-DWV | ND |
| 2020-11-24 | 336266-2020-DW | ND |
| 2021-03-18 | 7364282001V | ND |
| 2021-03-18 | 7364280001 | ND |
| 2021-04-22 | 7368589001 | ND |
| 2021-05-13 | 7371332001V | ND |
| 2021-07-21 | 7380944003A | ND |
| 2021-08-12 | 1085142-01 | ND |
| 2021-08-16 | 7384685001V | ND |
| 2021-09-07 | 7387721001A | ND |
| 2021-12-21 | 810-11091-2 | ND |
| 2021-12-21 | 810-11047-1 | ND |
| 2021-12-21 | 810-11087-1 | ND |
| 2021-12-21 | 810-11089-1 | ND |
| 2021-12-21 | 810-11091-1 | ND |
| 2022-03-08 | 810-17576-1 | ND |
| 2022-03-08 | 810-17508-1 | ND |
| 2022-03-08 | 810-17505-1 | ND |
| 2022-03-08 | 810-17573-1 | ND |
| 2022-03-09 | FWC0111C | ND |
| 2022-03-09 | 810-18451-1 | ND |
| 2022-03-14 | FWC0176-01V | ND |
| 2022-03-23 | 810-18980-1 | ND |
| 2022-05-16 | FWF0001-01C | ND |
| 2022-05-16 | FWE0091-01 | ND |
| 2022-05-16 | FWE0082-01B | ND |
| 2022-05-23 | FWE0088 | ND |
| 2022-07-11 | FWG0325A | ND |
| 2022-07-11 | FWG0324 | ND |
| 2022-07-11 | FWG0306 | ND |
| 2022-10-26 | FWJ0181-01 | ND |
| 2022-11-14 | FWJ0184 | ND |
| 2022-11-15 | FWJ0191 | ND |
| 2023-02-07 | FXB0061-01 | ND |
| 2023-02-07 | FXB0070-01 | ND |
| 2023-02-09 | FXB0077-01 | ND |
| 2023-04-04 | FXC0510 | ND |
| 2023-04-04 | FXC0539-01 | ND |
| 2023-04-05 | FXC0546-01 | ND |
| 2023-04-05 | FXC0561-01 | ND |
| 2023-04-06 | FXC0504-01 | ND |
| 2023-04-06 | FXD0264-01 | ND |
| 2023-08-02 | FXF0580-01 | ND |
| 2023-08-07 | FXH0354 | ND |
| 2023-08-07 | FXH0356-01 | ND |
| 2023-11-14 | 68354501 | ND |
| 2023-11-14 | 68354601 | ND |