YORK COUNTY EAST WD (SC4620002)
PWS ID: SC4620002 · YORK, South Carolina 29745
PFAS Detected
2 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
30,225
Total Violations
82
Health-Based Violations
47
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 12,431
- County
- York
- School/Daycare
- No
- MCL Violations
- 45
- Monitoring Violations
- 29
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 40 | 2015 |
| Coliform (TCR) | MR | 22 | 2012 |
| Revised Total Coliform Rule | MCL | 5 | 2023 |
| Revised Total Coliform Rule | MON | 4 | 2023 |
| Lead and Copper Rule | MR | 3 | 2002 |
| Consumer Confidence Rule | Other | 3 | 2022 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 6 of 90 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| 11Cl-PF3OUdS | 9/24/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFDA | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 9/24/2025 | 0.0044 µg/L | 0.003 µg/L | Detected |
| PFUnA | 9/24/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 9Cl-PF3ONS | 9/24/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| ADONA | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 9/24/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 9/24/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFOA | 9/24/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFPeS | 9/24/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFMBA | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpS | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 9/24/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 9/24/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFTA | 9/24/2025 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| lithium | 9/24/2025 | <9 µg/L | 9 µg/L | Not Detected |
| PFTrDA | 9/24/2025 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 9/24/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 9/24/2025 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| NFDHA | 9/24/2025 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| 8:2 FTS | 9/24/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFOS | 9/24/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFPeA | 9/24/2025 | 0.0048 µg/L | 0.003 µg/L | Detected |
| PFEESA | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 9/24/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 4:2 FTS | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBA | 7/18/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| HFPO-DA | 7/18/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 7/18/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFOS | 7/18/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| ADONA | 7/18/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 7/18/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 7/18/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 7/18/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFNA | 7/18/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 7/18/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 7/18/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 7/18/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 7/18/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| NEtFOSAA | 7/18/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 7/18/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFPeA | 7/18/2024 | 0.0046 µg/L | 0.003 µg/L | Detected |
| PFTrDA | 7/18/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFHpS | 7/18/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 4:2 FTS | 7/18/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 7/18/2024 | <0.005 µg/L | 0.005 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.