Nonafluoro-3,6-dioxaheptanoic acid
Dubuque Water Works
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 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 4 | 0 | ND |
| 2024 | ND | 1 | 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 |
|---|---|---|
| 2023-02-14 | OE2242303 | ND |
| 2023-05-24 | OE2284977 | ND |
| 2023-07-17 | OE2308653 | ND |
| 2023-12-18 | OE2377094 | ND |
| 2024-02-14 | 2397548 | ND |