Perfluoropentanoic Acid (PFPeA)
Petersburgh Water District
Perfluoropentanoic Acid (PFPeA) is a member of a group of perfluorinated chemicals used in many consumer products. PFOS and other perfluorinated chemicals can cause serious health effects, including cancer, endocrine disruption, accelerated puberty, liver and immune system damage, and thyroid changes. These chemicals are persistent in the environment and they accumulate in people. Click here to read more about perfluorinated chemicals.
Samples
Samples exceeding legal limit (MCL)
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 | 0.141 ppt | 7 | 1 | ND - 0.990 ppt |
| 2023 | 0.580 ppt | 15 | 11 | ND - 1.40 ppt |
ppt = parts per trillion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 1,000 ppt
The EWG Health Guideline of 1,000 ppt for PFPeA was defined by EPA's recommended application of the toxicity value for PFHxA published in the Integrated Risk Information System’s toxicological review. This health guideline protects against harm to fetal growth and child development.
ppt = parts per trillion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2022-03-25 | 410-77921-1 | ND |
| 2022-07-29 | PB0489072922-PRE | ND |
| 2022-07-29 | PB0489072922-POST | ND |
| 2022-08-26 | 410-96106-6 | ND |
| 2022-08-26 | 410-96106-2 | ND |
| 2022-11-15 | 410-106314-3 | 0.990 ppt |
| 2022-12-22 | 410-110493-5 | ND |
| 2023-03-30 | PB048903323 PRE513 | 0.510 ppt |
| 2023-04-27 | PB0489042723 MID514 | 0.780 ppt |
| 2023-04-27 | PB0489033023 MID514 | 0.470 ppt |
| 2023-04-27 | PB0489042723 PRE 513 | 0.770 ppt |
| 2023-05-19 | PB0489051923-PRE | 0.800 ppt |
| 2023-05-19 | PB0489051923-MID | 0.830 ppt |
| 2023-06-07 | PB0489060723-MID | 0.840 ppt |
| 2023-06-07 | PB0489060723-PRE | 0.730 ppt |
| 2023-09-29 | PB0489092923POST | ND |
| 2023-09-29 | PB0489092923PRE | 0.654 ppt |
| 2023-10-27 | PB0489102723PRE513 | 1.40 ppt |
| 2023-10-27 | PB0489102723POST515 | ND |
| 2023-11-15 | 410-151526-2-POST | ND |
| 2023-12-20 | PB0489122023PRE | 0.920 ppt |
| 2023-12-20 | PB0489122023POST | ND |