1,1-Dichloroethylene
Homestead Estates LLC
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
26
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 1 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 9 | 0 | ND |
| 2022 | ND | 8 | 0 | ND |
| 2023 | ND | 8 | 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 |
|---|---|---|
| 2019-04-23 | 1903714-01 | ND |
| 2021-01-27 | 55809-005 | ND |
| 2021-04-19 | 56624-005 | ND |
| 2021-07-19 | 57868-005 | ND |
| 2021-07-26 | 2112113-01 | ND |
| 2021-10-25 | 59118-005 | ND |
| 2021-10-25 | 59118-004 | ND |
| 2021-10-25 | 59118-003 | ND |
| 2021-10-25 | 59118-001 | ND |
| 2021-11-17 | 2117399-01 | ND |
| 2022-02-21 | 60167-005 | ND |
| 2022-04-06 | 2122509-01 | ND |
| 2022-04-25 | 60884-005 | ND |
| 2022-07-28 | 2204860-01 | ND |
| 2022-08-09 | 2211483-01 | ND |
| 2022-08-22 | 62353-005 | ND |
| 2022-10-24 | 2216918-01 | ND |
| 2022-11-21 | 63637-005 | ND |
| 2023-01-23 | 64360-005 | ND |
| 2023-02-27 | 2221190-01 | ND |
| 2023-04-28 | 65304-005 | ND |
| 2023-05-30 | 2305679-01 | ND |
| 2023-08-25 | 66809-005 | ND |
| 2023-09-11 | 2312846-01 | ND |
| 2023-10-30 | 2319157-01 | ND |
| 2023-11-30 | 68046-005 | ND |