CheckPFAS

ZIP Code 39532

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.

5
PFAS Detected
1
Above EPA Limits
4
Water Systems
193%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 193% of limit
Detected: 7.70 ppt

CITY OF BILOXI

MS0240001 Low Level
Water Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Mississippi
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
17400.00pptNo federal limitUnregulated

CITY OF BILOXI-FRENCH

MS0240036 Low Level
Water Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Mississippi
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
9410.00pptNo federal limitUnregulated

KEESLER AIR FORCE BASE

MS0240049 High Risk
Water Type
Groundwater
PFAS Detected
2
Above MCL
1
State
Mississippi
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
7.70ppt
193% of limit
4 ppt⚠ Exceeds MCL
lithium
38300.00pptNo federal limitUnregulated

WEST JACKSON CO UTILITY DIST

MS0300156 Low Level
Water Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Mississippi
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
13600.00pptNo federal limitUnregulated
Note: ZIP code 39532 is served by 4 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 →