EIELSON - AIR FORCE BASE
PWS ID: AK2370625 · EIELSON AFB, Alaska 99702
PFAS Detected
1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
9,760
Total Violations
359
Health-Based Violations
6
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Federal
- Connections
- 716
- County
- Fairbanks North Star Borough
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 235
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| 1,1-Dichloroethylene | MR | 10 | 2001 |
| Carbon tetrachloride | MR | 10 | 2001 |
| 1,1,1-Trichloroethane | MR | 10 | 2001 |
| 1,2-Dichloroethane | MR | 10 | 2001 |
| Fluoride | MR | 10 | 1990 |
| Vinyl chloride | MR | 9 | 1991 |
| cis-1,2-Dichloroethylene | MR | 7 | 2001 |
| 1,1,2-Trichloroethane | MR | 7 | 2001 |
| 1,2-Dichloropropane | MR | 7 | 2001 |
| trans-1,2-Dichloroethylene | MR | 7 | 2001 |
| DICHLOROMETHANE | MR | 7 | 2001 |
| Coliform (TCR) | MCL | 5 | 2000 |
| 2,4-D | MR | 5 | 2002 |
| o-Dichlorobenzene | MR | 4 | 2001 |
| ETHYLENE DIBROMIDE | MR | 4 | 1995 |
| 2,3,7,8-TCDD | MR | 4 | 1995 |
| TTHM | MR | 4 | 2024 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2024 |
| Styrene | MR | 3 | 2001 |
| Tetrachloroethylene | MR | 3 | 2001 |
| Trichloroethylene | MR | 3 | 2001 |
| Simazine | MR | 3 | 1995 |
| Picloram | MR | 3 | 1995 |
| Total Polychlorinated Biphenyls (PCB) | MR | 3 | 1995 |
| Pentachlorophenol | MR | 3 | 1995 |
| Heptachlor | MR | 3 | 1995 |
| Chlordane | MR | 3 | 1995 |
| Atrazine | MR | 3 | 1995 |
| Aldicarb sulfone | MR | 3 | 1995 |
| Aldicarb sulfoxide | MR | 3 | 1995 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 120 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| 6:2 FTS | 6/7/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 6/7/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 6/7/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFPeA | 6/7/2023 | 0.0030 µg/L | 0.003 µg/L | Detected |
| PFMBA | 6/7/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 6/7/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 6/7/2023 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFHpS | 6/7/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBA | 6/7/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFPeS | 6/7/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| HFPO-DA | 6/7/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 6/7/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 6/7/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 6/7/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 6/7/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHxA | 6/7/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 6/7/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 6/7/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 6/7/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 6/7/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 6/7/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 6/7/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 6/7/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFNA | 6/7/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 6/7/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFBA | 5/8/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 5/8/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFNA | 5/8/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 5/8/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 5/8/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| HFPO-DA | 5/8/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFOS | 5/8/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDoA | 5/8/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 5/8/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 4:2 FTS | 5/8/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 5/8/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 5/8/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpA | 5/8/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 5/8/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| ADONA | 5/8/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 5/8/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 5/8/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 5/8/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 9Cl-PF3ONS | 5/8/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFMBA | 5/8/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 5/8/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 5/8/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFPeS | 5/8/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 5/8/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 5/8/2024 | <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.