ZIP Code 83642
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.
5
PFAS Detected
1
Above EPA Limits
3
Water Systems
123%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 123% of limit
Detected: 4.90 ppt
Veolia Water ID
ID4010016 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Idaho
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 24300.00ppt | No federal limit | — | Unregulated |
KUNA CITY OF
ID4010085 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Idaho
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 21000.00ppt | No federal limit | — | Unregulated |
MERIDIAN WATER DEPT
ID4010097 High RiskWater Type
Groundwater
PFAS Detected
3
Above MCL
1
State
Idaho
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 4.90ppt | 123% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 3.80ppt | 38% of limit
| 10 ppt | Below limit |
lithium | 99500.00ppt | No federal limit | — | Unregulated |
Note: ZIP code 83642 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.