Perfluoro(2-ethoxyethane)sulfonic acid
California Water Service Company Oak Hills
7
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 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 6 | 0 | ND |
| 2024 | ND | 1 | 0 | ND |
ppt = parts per trillion
State, National, and Health Guidelines for Drinking Water
ppt = parts per trillion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2023-05-22 | 103699P | ND |
| 2023-05-22 | 103700P | ND |
| 2023-11-15 | CA2710019_003_003-202311151018 | ND |
| 2023-11-15 | CA2710019_008_008-202311151034 | ND |
| 2023-11-21 | CA2710019_001_001-202311211308 | ND |
| 2023-12-18 | 110232P | ND |
| 2024-01-22 | 112719R | ND |