RICHMOND COUNTY WATER SYSTEM
PWS ID: NC0377109 · ROCKINGHAM, North Carolina 28380
PFAS Detected
6 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
22,387
Total Violations
163
Health-Based Violations
45
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 8,955
- County
- Richmond
- School/Daycare
- No
- MCL Violations
- 45
- Monitoring Violations
- 88
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 30 | 2017 |
| CARBON, TOTAL | MR | 27 | 2022 |
| Surface Water Treatment Rule | MR | 26 | 1994 |
| Total Haloacetic Acids (HAA5) | MCL | 15 | 2015 |
| Total Haloacetic Acids (HAA5) | MR | 10 | 2013 |
| TTHM | MR | 10 | 2013 |
| Consumer Confidence Rule | Other | 8 | 2003 |
| Public Notice | Other | 6 | 2017 |
| Dalapon | MR | 5 | 2014 |
| Simazine | MR | 5 | 2009 |
| Atrazine | MR | 4 | 2009 |
| Nitrite | MR | 1 | 2000 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 16 of 215 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| NEtFOSAA | 9/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTrDA | 9/12/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NMeFOSAA | 9/12/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFTA | 9/12/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| lithium | 9/12/2023 | <9 µg/L | 9 µg/L | Not Detected |
| PFTA | 9/12/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 9/12/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 9/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 9/12/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| lithium | 9/12/2023 | <9 µg/L | 9 µg/L | Not Detected |
| 4:2 FTS | 7/25/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 7/25/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFMPA | 7/25/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFBS | 7/25/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 7/25/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 7/25/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOS | 7/25/2024 | 0.0044 µg/L | 0.004 µg/L | Detected |
| PFDA | 7/25/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 7/25/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 7/25/2024 | 0.0030 µg/L | 0.003 µg/L | Detected |
| PFUnA | 7/25/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 7/25/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 9Cl-PF3ONS | 7/25/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFMBA | 7/25/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpS | 7/25/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 7/25/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFNA | 7/25/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| ADONA | 7/25/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 7/25/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFEESA | 7/25/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 7/25/2024 | 0.0039 µg/L | 0.003 µg/L | Detected |
| 8:2 FTS | 7/25/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 7/25/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 7/25/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| HFPO-DA | 7/25/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTA | 6/7/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| NMeFOSAA | 6/7/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| NEtFOSAA | 6/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTrDA | 6/7/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| lithium | 6/7/2024 | <9 µg/L | 9 µg/L | Not Detected |
| PFTA | 6/7/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 6/7/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 6/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 6/7/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| lithium | 6/7/2024 | 11.4000 µg/L | 9 µg/L | Detected |
| PFPeS | 3/7/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 3/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 3/7/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFEESA | 3/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 3/7/2024 | <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.