HIGH HILLS RURAL WATER CO INC (4320003)
PWS ID: SC4320003 · DALZELL, South Carolina 29040
PFAS Detected
1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
12,545
Total Violations
38
Health-Based Violations
9
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 5,224
- County
- Sumter
- School/Daycare
- No
- MCL Violations
- 9
- Monitoring Violations
- 19
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | 10 | 2010 |
| Coliform (TCR) | MCL | 9 | 2006 |
| Consumer Confidence Rule | Other | 8 | 2024 |
| Coliform (TCR) | MR | 4 | 1996 |
| E. COLI | MR | 3 | 2025 |
| Lead and Copper Rule | MR | 2 | 2022 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 60 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| NFDHA | 2/20/2025 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| ADONA | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 2/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 2/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 2/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 2/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 2/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFPeA | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpS | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 2/20/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFPeS | 2/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| lithium | 2/20/2025 | <9 µg/L | 9 µg/L | Not Detected |
| PFMBA | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 11Cl-PF3OUdS | 2/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 2/20/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHxA | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 2/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 2/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFNA | 2/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NMeFOSAA | 2/20/2025 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| NEtFOSAA | 2/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTA | 2/20/2025 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 2/20/2025 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFBA | 2/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 2/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFEESA | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 2/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 2/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 2/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFMBA | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 2/20/2025 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFPeS | 2/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| lithium | 2/20/2025 | 11.9000 µg/L | 9 µg/L | Detected |
| ADONA | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 2/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFPeA | 2/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NMeFOSAA | 2/20/2025 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFOA | 2/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 9Cl-PF3ONS | 2/20/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFTA | 2/20/2025 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| NEtFOSAA | 2/20/2025 | <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.