APEX, TOWN OF
PWS ID: NC0392045 · APEX, North Carolina 27502
PFAS Detected
4 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
82,029
Total Violations
69
Health-Based Violations
10
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 25,448
- County
- Wake
- School/Daycare
- No
- MCL Violations
- 10
- Monitoring Violations
- 49
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MR | 13 | 2024 |
| Coliform (TCR) | MCL | 10 | 1999 |
| TTHM | MR | 9 | 2019 |
| Consumer Confidence Rule | Other | 5 | 2018 |
| Public Notice | Other | 5 | 2020 |
| Chromium | MR | 3 | 1987 |
| Fluoride | MR | 3 | 1987 |
| Arsenic | MR | 3 | 1987 |
| Barium | MR | 3 | 1987 |
| Mercury | MR | 3 | 1987 |
| Selenium | MR | 3 | 1987 |
| Endrin | MR | 3 | 1981 |
| Cadmium | MR | 3 | 1987 |
| Nitrate | MR | 3 | 1987 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 11 of 120 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFHxS | 8/29/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 8/29/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 6:2 FTS | 8/29/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFPeS | 8/29/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 8/29/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| lithium | 8/29/2023 | <9 µg/L | 9 µg/L | Not Detected |
| PFTA | 8/29/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 8/29/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 8/29/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 8/29/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFMBA | 8/29/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 8/29/2023 | 0.0078 µg/L | 0.003 µg/L | Detected |
| PFMPA | 8/29/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFBS | 8/29/2023 | 0.0040 µg/L | 0.003 µg/L | Detected |
| 4:2 FTS | 8/29/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOS | 8/29/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFBA | 8/29/2023 | 0.0089 µg/L | 0.005 µg/L | Detected |
| ADONA | 8/29/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 11Cl-PF3OUdS | 8/29/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 8/29/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHxA | 8/29/2023 | 0.0068 µg/L | 0.003 µg/L | Detected |
| PFDoA | 8/29/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 8/29/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 8/29/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFEESA | 8/29/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 8/29/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 8/29/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 8:2 FTS | 8/29/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NFDHA | 8/29/2023 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| HFPO-DA | 8/29/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 5/15/2024 | 0.0076 µg/L | 0.005 µg/L | Detected |
| 6:2 FTS | 5/15/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 5/15/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 5/15/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| HFPO-DA | 5/15/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 5/15/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 5/15/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFMPA | 5/15/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFUnA | 5/15/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHxA | 5/15/2024 | 0.0033 µg/L | 0.003 µg/L | Detected |
| PFDoA | 5/15/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 5/15/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 5/15/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 5/15/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 5/15/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 5/15/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 11Cl-PF3OUdS | 5/15/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| lithium | 5/15/2024 | <9 µg/L | 9 µg/L | Not Detected |
| PFMBA | 5/15/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 5/15/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
PFAS data from EPA UCMR5 monitoring program (2023-2025).
This data is provided for informational purposes only.