Nonafluoro-3,6-dioxaheptanoic acid
City of Alexandria Water System
17
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 | 15 | 0 | ND |
| 2024 | ND | 2 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2023-05-24 | 35802136001SE1 | ND |
| 2023-05-24 | 35802136003SE1 | ND |
| 2023-05-24 | 35802272003SE1 | ND |
| 2023-06-12 | 35806008007SE1 | ND |
| 2023-06-12 | 35806008001SE1 | ND |
| 2023-06-12 | 35806008005SE1 | ND |
| 2023-06-12 | 35806008003SE1 | ND |
| 2023-07-10 | 35812014001SE1 | ND |
| 2023-11-14 | 35841860001SE2 | ND |
| 2023-11-14 | 35841888007SE2 | ND |
| 2023-11-14 | 35841888005SE2 | ND |
| 2023-11-14 | 35841888003SE2 | ND |
| 2023-11-14 | 35841860007SE2 | ND |
| 2023-11-14 | 35841860005SE2 | ND |
| 2023-11-14 | 35841860003SE2 | ND |
| 2024-02-27 | 35863286001SE1 | ND |
| 2024-06-25 | 35888199001SE2 | ND |