RAYVILLE WATER SYSTEM
PWS ID: LA1083006 · RAYVILLE, Louisiana 71269
PFAS Detected
1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
4,842
Total Violations
409
Health-Based Violations
319
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,614
- County
- Richland Parish
- School/Daycare
- No
- MCL Violations
- 278
- Monitoring Violations
- 24
- Treatment Tech Violations
- 41
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 189 | 2019 |
| Total Haloacetic Acids (HAA5) | MCL | 47 | 2019 |
| Coliform (TCR) | MCL | 42 | 2015 |
| Groundwater Rule | TT | 40 | 2022 |
| Public Notice | Other | 29 | 2022 |
| Consumer Confidence Rule | Other | 19 | 2015 |
| TTHM | MR | 11 | 2017 |
| Total Haloacetic Acids (HAA5) | MR | 8 | 2011 |
| Lead and Copper Rule | MR | 3 | 2007 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | 2 | 2008 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 60 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| ADONA | 4/23/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 4/23/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 4/23/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 4/23/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHxA | 4/23/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 4/23/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 4/23/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 4/23/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 4/23/2024 | 0.0034 µg/L | 0.003 µg/L | Detected |
| PFHpA | 4/23/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 4/23/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NFDHA | 4/23/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFOS | 4/23/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFEESA | 4/23/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NMeFOSAA | 4/23/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| NEtFOSAA | 4/23/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTrDA | 4/23/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFTA | 4/23/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFHpS | 4/23/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 4/23/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 4/23/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFBA | 4/23/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| lithium | 4/23/2024 | <9 µg/L | 9 µg/L | Not Detected |
| PFPeA | 4/23/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 4/23/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 8:2 FTS | 4/23/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 4/23/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 4/23/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFPeS | 4/23/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 4/23/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 9Cl-PF3ONS | 10/15/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFDoA | 10/15/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 10/15/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 10/15/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 10/15/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFNA | 10/15/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxA | 10/15/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| ADONA | 10/15/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 10/15/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 11Cl-PF3OUdS | 10/15/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHxS | 10/15/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NMeFOSAA | 10/15/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFBS | 10/15/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| lithium | 10/15/2024 | <9 µg/L | 9 µg/L | Not Detected |
| PFHpS | 10/15/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 10/15/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFUnA | 10/15/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFTrDA | 10/15/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFPeS | 10/15/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NFDHA | 10/15/2024 | <0.02 µg/L | 0.02 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.