CheckPFAS

ZIP Code 35043

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.

8
PFAS Detected
2
Above EPA Limits
1
Water System
693%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 693% of limit
Detected: 27.70 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 653% of limit
Detected: 26.10 ppt

SHELBY COUNTY WATER SYSTEM

AL0001671 High Risk
Water Type
Surface Water
PFAS Detected
8
Above MCL
2
State
Alabama
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
27.70ppt
693% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
26.10ppt
653% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
3.40ppt
34% of limit
10 pptBelow limit
PFBS
Perfluorobutane sulfonic acid
113.50pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
47.60pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
28.30pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
21.70pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
9.90pptNo federal limitUnregulated

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 →