cis-1,2-Dichloroethylene
Round Lake Village (Clifton Park Water Authority)
NOTE: Round Lake Village (Clifton Park Water Authority) purchases water from Clifton Park Water Authority which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Clifton Park 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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 9 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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
NOTE: Round Lake Village (Clifton Park Water Authority) purchases water from Clifton Park Water Authority which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Clifton Park Water Authority.
| Date | Lab ID | Result |
|---|---|---|
| 2014-10-20 | C002981-POCS | ND |
| 2015-02-23 | C005541-01-POCS | ND |
| 2016-05-09 | 160509024POCS | ND |
| 2016-06-08 | 160608092-001-PO | ND |
| 2016-06-08 | 160608087-POCS | ND |
| 2016-06-08 | 160608084-POCS | ND |
| 2016-06-08 | 160608090-POCS | ND |
| 2016-06-08 | 160608094-POCS | ND |
| 2016-06-08 | 160608089-POCS | ND |
| 2016-06-08 | 160608095-001-PO | ND |
| 2016-06-08 | 160608088001-POC | ND |
| 2017-06-27 | 170627043-POCS | ND |
| 2017-06-27 | 170627043-05-POC | ND |
| 2017-10-05 | C030388-01-POCS | ND |
| 2018-06-18 | C036389-01-POCS | ND |
| 2018-06-18 | C036388-02-POCS | ND |
| 2018-06-18 | C036388-POCS | ND |
| 2018-09-04 | C038878-01-POCS | ND |
| 2019-06-11 | C045464-02-POCS | ND |
| 2019-06-11 | C045464-06-POCS | ND |
| 2019-06-11 | C045464-04-POCS | ND |
| 2019-06-11 | C045464-03-POCS | ND |
| 2019-06-11 | C045464-07-POCS | ND |
| 2019-06-11 | C045464-01-POCS | ND |