ZIP Code 52641
Low Level6
PFAS Detected
0
Above EPA Limits
3
Water Systems
N/A
Highest % of MCL
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 |
MOUNT PLEASANT MUNICIPAL UTILITIES
IA4453016 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Iowa
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 370000.00ppt | No federal limit | — | Unregulated |
WAPELLO RURAL WATER ASSOC.
IA9000742 Low LevelWater Type
Surface Water
PFAS Detected
2
Above MCL
0
State
Iowa
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 420000.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 5.00ppt | No federal limit | — | Unregulated |
Note: ZIP code 52641 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.