1,1-Dichloroethylene
Clearfield Municipal Authority
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
12
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-08-06 | (101) Montgo | ND |
| 2018-09-07 | (102) Moose | ND |
| 2019-08-28 | (101) Montgo | ND |
| 2019-08-28 | (102) Moose | ND |
| 2020-08-04 | 22917114.00 | ND |
| 2020-08-04 | 22917115.00 | ND |
| 2021-08-02 | 25139507.00 | ND |
| 2021-08-02 | 25139528.00 | ND |
| 2022-08-15 | 27358146.00 | ND |
| 2022-08-15 | 27358147.00 | ND |
| 2023-02-06 | 28450201.00 | ND |
| 2023-02-06 | 28450233.00 | ND |