CheckPFAS

ZIP Code 36022

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.

7
PFAS Detected
2
Above EPA Limits
1
Water System
450%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 450% of limit
Detected: 18.00 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 425% of limit
Detected: 17.00 ppt
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HOLTVILLE WATER SYSTEM

AL0000540 High Risk
Water Type
Surface Water
PFAS Detected
7
Above MCL
2
State
Alabama
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
18.00ppt
450% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
17.00ppt
425% of limit
4 ppt⚠ Exceeds MCL
PFBS
Perfluorobutane sulfonic acid
62.00pptNo federal limit—Unregulated
PFPeA
Perfluoropentanoic acid
31.00pptNo federal limit—Unregulated
PFHxA
Perfluorohexanoic acid
18.00pptNo federal limit—Unregulated
PFBA
Perfluorobutanoic acid
12.00pptNo federal limit—Unregulated
PFHpA
Perfluoroheptanoic acid
6.60pptNo 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 →