EULA WSC
PWS ID: TX0300005 · CLYDE, Texas 79510-6320
PFAS Detected
9 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
3,918
Total Violations
151
Health-Based Violations
73
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,306
- County
- Callahan
- School/Daycare
- No
- MCL Violations
- 73
- Monitoring Violations
- 49
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 72 | 2025 |
| Public Notice | Other | 17 | 2025 |
| Chlorine | MR | 16 | 2013 |
| TTHM | MR | 16 | 2024 |
| Lead and Copper Rule | MR | 12 | 2021 |
| Coliform (TCR) | MR | 5 | 2015 |
| Coliform (TCR) | MCL | 1 | 1991 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 31 of 240 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| NFDHA | 8/22/2023 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| HFPO-DA | 8/22/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 8/22/2023 | 0.0240 µg/L | 0.005 µg/L | Detected |
| 6:2 FTS | 8/22/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 8/22/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 8/22/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 8/22/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFPeA | 8/22/2023 | 0.0130 µg/L | 0.003 µg/L | Detected |
| PFPeS | 8/22/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFEESA | 8/22/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| ADONA | 8/22/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOS | 8/22/2023 | 0.0200 µg/L | 0.004 µg/L | Detected |
| PFHpS | 8/22/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 8/22/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 8/22/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| lithium | 8/22/2023 | <9 µg/L | 9 µg/L | Not Detected |
| PFBS | 8/22/2023 | 0.0059 µg/L | 0.003 µg/L | Detected |
| PFDA | 8/22/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 8/22/2023 | 0.0180 µg/L | 0.003 µg/L | Detected |
| 9Cl-PF3ONS | 8/22/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFOA | 8/22/2023 | 0.0062 µg/L | 0.004 µg/L | Detected |
| PFDoA | 8/22/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 8/22/2023 | 0.0160 µg/L | 0.003 µg/L | Detected |
| PFUnA | 8/22/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 8/22/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHpA | 8/22/2023 | 0.0073 µg/L | 0.003 µg/L | Detected |
| lithium | 8/22/2023 | <9 µg/L | 9 µg/L | Not Detected |
| NMeFOSAA | 8/22/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| NEtFOSAA | 8/22/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTrDA | 8/22/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFTA | 8/22/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFPeS | 7/17/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFMPA | 7/17/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFPeA | 7/17/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 7/17/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 7/17/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 7/17/2023 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFHpS | 7/17/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 7/17/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFOA | 7/17/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 4:2 FTS | 7/17/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOS | 7/17/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 7/17/2023 | 0.0034 µg/L | 0.003 µg/L | Detected |
| PFNA | 7/17/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpA | 7/17/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 7/17/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 7/17/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 7/17/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 7/17/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 7/17/2023 | <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.