PlainWater

COLLEGE UTILITIES CORPORATION

PWS ID: AK2310900 · FAIRBANKS, Alaska 99708

PFAS Detected

4 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
27,000
Total Violations
101
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
2,847
County
Fairbanks North Star Borough
School/Daycare
No
MCL Violations
0
Monitoring Violations
74
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 10 2007
DICHLOROMETHANE MR 3 1990
cis-1,2-Dichloroethylene MR 3 1990
p-Dichlorobenzene MR 3 1990
Toluene MR 3 1990
Styrene MR 3 1990
1,2-Dichloroethane MR 3 1990
1,2-Dichloropropane MR 3 1990
Trichloroethylene MR 3 1990
Benzene MR 3 1990
o-Dichlorobenzene MR 3 1990
Tetrachloroethylene MR 3 1990
1,1,2-Trichloroethane MR 3 1990
Carbon tetrachloride MR 3 1990
1,1,1-Trichloroethane MR 3 1990
CHLOROBENZENE MR 3 1990
Ethylbenzene MR 3 1990
trans-1,2-Dichloroethylene MR 3 1990
1,1-Dichloroethylene MR 3 1990
Vinyl chloride MR 3 1990
Lead and Copper Rule MR 3 2006
Coliform (TCR) MR 2 2007
Nitrate MR 1 1993
Consumer Confidence Rule Other 1 2000
Gross Alpha, Excl. Radon and U MR 1 1989

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 6 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxS 7/15/2024 0.0105 µg/L 0.003 µg/L Detected
9Cl-PF3ONS 7/15/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/15/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 7/15/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFOS 7/15/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 7/15/2024 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 7/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/15/2024 0.0043 µg/L 0.003 µg/L Detected
PFDoA 7/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/15/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 7/15/2024 0.0064 µg/L 0.004 µg/L Detected
PFHpS 7/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/15/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/15/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 7/15/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 7/15/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 7/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 7/15/2024 0.0039 µg/L 0.003 µg/L Detected
PFMPA 7/15/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 7/15/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 6/24/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 6/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 6/24/2024 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 6/24/2024 <0.006 µg/L 0.006 µg/L Not Detected
lithium 6/24/2024 <9 µg/L 9 µg/L Not Detected
PFTrDA 12/19/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFNA 12/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 12/19/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 12/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 12/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 12/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 12/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 12/19/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxS 12/19/2024 0.0051 µg/L 0.003 µg/L Detected
PFHpA 12/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 12/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 12/19/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 12/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 12/19/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 12/19/2024 <9 µg/L 9 µg/L Not Detected
11Cl-PF3OUdS 12/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 12/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 12/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 12/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 12/19/2024 0.0030 µg/L 0.003 µg/L 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.