PFOS + PFOA + PFHxS + PFNA
Classic Heights
10
Samples
0
Samples exceeding legal limit (MCL)
10
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 | 9.81 ppt | 10 | 10 | 7.80 ppt - 11.7 ppt |
ppt = parts per trillion
State, National, and Health Guidelines for Drinking Water
ppt = parts per trillion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2023-09-19 | 4530145 | 11.2 ppt |
| 2023-09-25 | 4541603 | 7.80 ppt |
| 2023-10-31 | 4543342 | 8.08 ppt |
| 2023-10-31 | 4535714 | 11.7 ppt |
| 2023-10-31 | 4538418 | 11.0 ppt |
| 2023-10-31 | 4538433 | 11.1 ppt |
| 2023-10-31 | 4543344 | 7.86 ppt |
| 2023-10-31 | 4543343 | 8.01 ppt |
| 2023-10-31 | 4538427 | 10.7 ppt |
| 2023-10-31 | 4538410 | 10.6 ppt |