FRUSI WATER TREATMENT PLANT
PWS ID: KS2006114 · FORT RILEY, Kansas 66442
PFAS Detected
8 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
35,784
Total Violations
58
Health-Based Violations
39
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Federal
- Connections
- 5,900
- County
- Geary
- School/Daycare
- No
- MCL Violations
- 39
- Monitoring Violations
- 16
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 24 | 2019 |
| Coliform (TCR) | MCL | 15 | 2010 |
| Consumer Confidence Rule | Other | 3 | 2004 |
| Trichloroethylene | MR | 2 | 1988 |
| Carbon tetrachloride | MR | 2 | 1988 |
| Vinyl chloride | MR | 2 | 1988 |
| p-Dichlorobenzene | MR | 2 | 1988 |
| Benzene | MR | 2 | 1988 |
| 1,1-Dichloroethylene | MR | 2 | 1988 |
| Coliform (TCR) | MR | 2 | 2001 |
| 1,2-Dichloroethane | MR | 2 | 1988 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 15 of 60 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFTA | 9/5/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 9/5/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NMeFOSAA | 9/5/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| NEtFOSAA | 9/5/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| lithium | 9/5/2023 | 28.0000 µg/L | 9 µg/L | Detected |
| NMeFOSAA | 3/18/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| lithium | 3/18/2024 | 30.9000 µg/L | 9 µg/L | Detected |
| PFTA | 3/18/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| NEtFOSAA | 3/18/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMBA | 3/18/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 3/18/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBS | 3/18/2024 | 0.0060 µg/L | 0.003 µg/L | Detected |
| PFHpA | 3/18/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 3/18/2024 | 0.0175 µg/L | 0.003 µg/L | Detected |
| PFNA | 3/18/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 3/18/2024 | 0.0088 µg/L | 0.004 µg/L | Detected |
| PFOA | 3/18/2024 | 0.0211 µg/L | 0.004 µg/L | Detected |
| PFDA | 3/18/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 3/18/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 3/18/2024 | 0.0051 µg/L | 0.003 µg/L | Detected |
| PFUnA | 3/18/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 3/18/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 3/18/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NFDHA | 3/18/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| 4:2 FTS | 3/18/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 3/18/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFPeA | 3/18/2024 | 0.0062 µg/L | 0.003 µg/L | Detected |
| PFEESA | 3/18/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTrDA | 3/18/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFPeS | 3/18/2024 | 0.0042 µg/L | 0.004 µg/L | Detected |
| PFHpS | 3/18/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 3/18/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| ADONA | 3/18/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 3/18/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 3/18/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHxS | 10/17/2023 | 0.0201 µg/L | 0.003 µg/L | Detected |
| PFHpA | 10/17/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 10/17/2023 | 0.0069 µg/L | 0.003 µg/L | Detected |
| 8:2 FTS | 10/17/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFNA | 10/17/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 10/17/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 10/17/2023 | 0.0071 µg/L | 0.004 µg/L | Detected |
| PFDA | 10/17/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 10/17/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 10/17/2023 | 0.0092 µg/L | 0.003 µg/L | Detected |
| PFUnA | 10/17/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 10/17/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 9Cl-PF3ONS | 10/17/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| ADONA | 10/17/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 10/17/2023 | <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.