1,1-Dichloroethylene
Pine Valley Mutual Water Company
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
11
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 8 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 3 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2015-09-14 | 4790-004-1400 | ND |
| 2015-09-14 | 4790-007-1435 | ND |
| 2015-09-14 | 4790-009-1450 | ND |
| 2015-09-14 | 4790-010-1520 | ND |
| 2015-10-13 | 4790-001-1355 | ND |
| 2015-10-13 | 4790-003-1505 | ND |
| 2015-10-13 | 4790-005-1450 | ND |
| 2015-10-13 | 4790-006-1540 | ND |
| 2018-10-15 | 4790-001-0940 | ND |
| 2018-10-15 | 4790-009-1025 | ND |
| 2018-10-15 | 4790-010-0925 | ND |