CheckPFAS

ZIP Code 79904

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

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

13
PFAS Detected
1
Above EPA Limits
3
Water Systems
213%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 213% of limit
Detected: 8.50 ppt

EL PASO WATER UTILITIES PUBLIC SERVICE B

TX0710002 High Risk
Water Type
Groundwater
PFAS Detected
7
Above MCL
1
State
Texas
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
8.50ppt
213% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
5.50ppt
55% of limit
10 pptBelow limit
lithium
115800.00pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
11.00pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
8.50pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
5.90pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
4.50pptNo federal limitUnregulated

FORT BLISS MAIN POST AREA

TX0710020 Low Level
Water Type
Groundwater
PFAS Detected
3
Above MCL
0
State
Texas
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFHxS
Perfluorohexane sulfonic acid
3.70ppt
37% of limit
10 pptBelow limit
lithium
40800.00pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
3.10pptNo federal limitUnregulated

EAST BIGGS WATER SYSTEM

TX0710187 Low Level
Water Type
Surface Water
PFAS Detected
3
Above MCL
0
State
Texas
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
62600.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
4.10pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
3.80pptNo federal limitUnregulated
Note: ZIP code 79904 is served by 3 separate water utilities. Results above show data for each system independently.

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 →