HARRIS COUNTY MUD 239
PWS ID: TX1012392 · HOUSTON, Texas 77056-3078
PFAS Detected
1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
5,583
Total Violations
9
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,876
- County
- Harris
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 4
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 4 | 2015 |
| Consumer Confidence Rule | Other | 2 | 1999 |
| Gross Alpha, Excl. Radon and U | MCL | 2 | 2004 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| lithium | 7/18/2023 | 27.8000 µg/L | 9 µg/L | Detected |
| 8:2 FTS | 10/16/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 10/16/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDA | 10/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 10/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 4:2 FTS | 10/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 10/16/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFMBA | 10/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpS | 10/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 10/16/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFOS | 10/16/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 10/16/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxA | 10/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 10/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| ADONA | 10/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 10/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 11Cl-PF3OUdS | 10/16/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NFDHA | 10/16/2023 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| 9Cl-PF3ONS | 10/16/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFNA | 10/16/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| HFPO-DA | 10/16/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 10/16/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 10/16/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTrDA | 10/16/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 10/16/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 10/16/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFBS | 10/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 10/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 10/16/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFHpA | 10/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 1/9/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 1/9/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 1/9/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 1/9/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 1/9/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFPeS | 1/9/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 8:2 FTS | 1/9/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 1/9/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 1/9/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 1/9/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| HFPO-DA | 1/9/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 1/9/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 1/9/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| NFDHA | 1/9/2023 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFUnA | 1/9/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| NMeFOSAA | 1/9/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFDoA | 1/9/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 1/9/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 1/9/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 1/9/2023 | <0.004 µg/L | 0.004 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.