ZIP Code 52655
High RiskPFAS 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.
8
PFAS Detected
1
Above EPA Limits
2
Water Systems
133%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 133% of limit
Detected: 5.30 ppt
RATHBUN REG WTR ASSN (BURLINGTON)
IA0400902 Low LevelWater Type
Surface Water
PFAS Detected
3
Above MCL
0
State
Iowa
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 9200.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 32.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 13.00ppt | No federal limit | — | Unregulated |
WEST BURLINGTON MUNI. WATER SUPPLY
IA2985002 High RiskWater Type
Surface Water
PFAS Detected
5
Above MCL
1
State
Iowa
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 5.30ppt | 133% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFBA Perfluorobutanoic acid | 33.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 12.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 3.60ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 3.60ppt | No federal limit | — | Unregulated |
Note: ZIP code 52655 is served by 2 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.