PlainWater

BARROW UTILITIES & ELEC. COOP., INC. (BU

PWS ID: AK2320078 · BARROW, Alaska 99723

PFAS Detected

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

Population Served
4,900
Total Violations
119
Health-Based Violations
3
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
1,254
County
North Slope Borough
School/Daycare
No
MCL Violations
0
Monitoring Violations
77
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 11 2023
Chlorine MR 8 2023
Nitrate MR 4 1997
Fluoride MR 4 1990
Gross Alpha, Excl. Radon and U MR 4 1999
Total Haloacetic Acids (HAA5) MR 4 2009
Coliform (TCR) MR 4 2013
Surface Water Treatment Rule TT 3 2024
TTHM MR 3 2008
Revised Total Coliform Rule MON 3 2023
Cadmium MR 2 1989
Barium MR 2 1989
Mercury MR 2 1989
Arsenic MR 2 1989
Selenium MR 2 1989
Chromium MR 2 1989
trans-1,2-Dichloroethylene MR 1 1991
Styrene MR 1 1991
1,1,2-Trichloroethane MR 1 1991
Tetrachloroethylene MR 1 1991
Toluene MR 1 1991
o-Dichlorobenzene MR 1 1991
Benzene MR 1 1991
Carbon tetrachloride MR 1 1991
1,1,1-Trichloroethane MR 1 1991
p-Dichlorobenzene MR 1 1991
Interim Enhanced Surface Water Treatment Rule MR 1 2023
Consumer Confidence Rule Other 1 2000
Vinyl chloride MR 1 1991
1,1-Dichloroethylene MR 1 1991

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 23 of 360 samples detected PFAS.

Contaminant Date Result MRL Status
PFMPA 12/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 12/3/2024 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 12/3/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 12/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 12/3/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 12/3/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 12/3/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFMBA 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 12/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 12/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 12/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 12/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 12/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 12/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 12/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 12/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 12/3/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 12/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 12/3/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFMPA 12/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 12/3/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 12/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 12/3/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 12/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 12/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 12/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 12/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 12/3/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 12/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 12/3/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFHxA 12/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 12/3/2024 <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.