Perfluoro(2-ethoxyethane)sulfonic acid
York County West Water District
NOTE: York County West Water District purchases water from City of Rock Hill which is required to test for perfluoro(2-ethoxyethane)sulfonic acid. Sample information shown below was taken by City of Rock Hill.
5
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 1 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 4 | 0 | ND |
| 2024 | ND | 3 | 0 | ND |
ppt = parts per trillion
State, National, and Health Guidelines for Drinking Water
ppt = parts per trillion
All test results
NOTE: York County West Water District purchases water from City of Rock Hill which is required to test for perfluoro(2-ethoxyethane)sulfonic acid. Sample information shown below was taken by City of Rock Hill.
| Date | Lab ID | Result |
|---|---|---|
| 2020-09-23 | ND | |
| 2023-10-10 | 810-81237-1 | ND |
| 2024-01-09 | 810-90247-1 | ND |
| 2024-04-23 | 810-102132-1 | ND |
| 2024-07-09 | 810-111142-1 | ND |