CheckPFAS

ZIP Code 99723

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

2 compounds exceed EPA Maximum Contaminant Levels in water serving this ZIP code. Standard pitcher filters like Brita do not remove PFAS. See filter recommendations below.

6
PFAS Detected
2
Above EPA Limits
1
Water System
1158%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 1158% of limit
Detected: 46.30 ppt
PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 185% of limit
Detected: 18.50 ppt
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BARROW UTILITIES & ELEC. COOP., INC. (BU

AK2320078 High Risk
Water Type
Surface Water
PFAS Detected
6
Above MCL
2
State
Alaska
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
46.30ppt
1158% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
18.50ppt
185% of limit
10 ppt⚠ Exceeds MCL
PFBA
Perfluorobutanoic acid
11.50pptNo federal limit—Unregulated
PFHxA
Perfluorohexanoic acid
8.10pptNo federal limit—Unregulated
PFPeA
Perfluoropentanoic acid
6.00pptNo federal limit—Unregulated
PFHpA
Perfluoroheptanoic acid
3.90pptNo federal limit—Unregulated

Data source: EPA Unregulated Contaminant Monitoring Rule, 5th cycle (UCMR 5) — January 2026 release.

UCMR 5 tested ~10,000 public water systems serving more than 25 people between 2023-2025 for 29 PFAS compounds.

Detection values represent the highest single-sample result measured at entry points to the distribution system.

View raw EPA data →