Nonafluoro-3,6-dioxaheptanoic acid
Crestwood Estates
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 | ND | 1 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2022-09-13 | 2211085-01-PFAS | ND |
| 2023-03-15 | 23C2164-01-PFAS | ND |
| 2023-06-19 | 23F3514-01-PFAS | ND |
| 2023-09-20 | 2314491-001-PFAS | ND |
| 2023-12-19 | 2318621-001-PFAS | ND |