1,1-Dichloroethylene
Arizona Water Company - Sierra Vista
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
14
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 | 7 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 7 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2018-01-23 | 201801240104V | ND |
| 2018-01-23 | 201801240105V | ND |
| 2018-01-23 | 201801240106V | ND |
| 2018-01-23 | 201801240107V | ND |
| 2018-01-23 | 201801240108V | ND |
| 2018-01-23 | 201801240109V | ND |
| 2018-01-23 | 201801240110V | ND |
| 2021-02-23 | 21B2677-01 | ND |
| 2021-02-23 | 21B2677-02 | ND |
| 2021-02-23 | 21B2677-03 | ND |
| 2021-02-23 | 21B2677-04 | ND |
| 2021-02-23 | 21B2677-05 | ND |
| 2021-02-23 | 21B2677-06 | ND |
| 2021-02-23 | 21B2677-07 | ND |