1,1-Dichloroethylene
Ivanhoe Public Utility District
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
6
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 | ND | 1 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 4 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2019-11-25 | CA5410019_004_004-201911251338 | ND |
| 2020-08-25 | CA5410019_008_008-202008251148 | ND |
| 2022-08-29 | CA5410019_004_004-202208291308 | ND |
| 2022-08-29 | CA5410019_008_008-202208291338 | ND |
| 2022-10-21 | CA5410019_007_007-202210211058 | ND |
| 2022-12-13 | CA5410019_006_006-202212131420 | ND |