cis-1,2-Dichloroethylene
Wattsville Water Authority
1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.
15
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 | 3 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EPA Maximum Contaminant
Level (MCL): 70 ppb
The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-08 | 1801-00078-3 | ND |
| 2018-01-08 | 1801-00078-5 | ND |
| 2019-01-14 | 1901-00204-003 | ND |
| 2019-01-14 | 1901-00204-004 | ND |
| 2020-03-09 | 2003-00158-003 | ND |
| 2020-03-09 | 2003-00158-004 | ND |
| 2020-03-09 | 2003-00158-007 | ND |
| 2021-01-06 | 2101-00069-003 | ND |
| 2021-01-06 | 2101-00069-005 | ND |
| 2022-03-15 | 2203-00287-002 | ND |
| 2022-03-15 | 2203-00287-003 | ND |
| 2022-03-15 | 2203-00287-004 | ND |
| 2023-02-15 | 2302-00340-004 | ND |
| 2023-02-15 | 2302-00340-005 | ND |
| 2023-02-15 | 2302-00340-006 | ND |