1,1-Dichloroethylene
Trumbauersville Municipal Waterworks
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
17
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 | 1 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 7 | 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 |
|---|---|---|
| 2018-12-23 | 3007776001 | ND |
| 2019-03-31 | 3025257001 | ND |
| 2019-06-30 | 3043361001 | ND |
| 2019-09-18 | 3059109001 | ND |
| 2019-12-31 | 3078526002 | ND |
| 2020-03-31 | 21832492.00 | ND |
| 2020-12-29 | 23522847.00 | ND |
| 2021-09-30 | 25204798.00 | ND |
| 2021-09-30 | 25204821.00 | ND |
| 2022-12-29 | 27984493.00 | ND |
| 2023-05-18 | 29093112.00 | ND |
| 2023-05-26 | 29093114.00 | ND |
| 2023-05-26 | 29093113.00 | ND |
| 2023-08-17 | 29481184.00 | ND |
| 2023-08-23 | 29481185.00 | ND |
| 2023-10-25 | 29872576.00 | ND |
| 2023-11-10 | 30057805.00 | ND |