ZIP Code 84054
High RiskPFAS above EPA limits detected
3 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.
11
PFAS Detected
3
Above EPA Limits
3
Water Systems
182%
Highest % of MCL
Compounds Exceeding EPA Limits
PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 120% of limit
Detected: 12.00 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 178% of limit
Detected: 7.10 ppt
SOUTH DAVIS WATER DISTRICT
UTAH06009 High RiskWater Type
Groundwater
PFAS Detected
5
Above MCL
1
State
Utah
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxS Perfluorohexane sulfonic acid | 12.00ppt | 120% of limit
| 10 ppt | ⚠ Exceeds MCL |
lithium | 23000.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 5.60ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 4.60ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 3.10ppt | No federal limit | — | Unregulated |
NORTH SALT LAKE CITY WATER SYSTEM
UTAH06019 Low LevelWater Type
Surface Water
PFAS Detected
1
Above MCL
0
State
Utah
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 54200.00ppt | No federal limit | — | Unregulated |
SALT LAKE CITY WATER SYSTEM
UTAH18026 High RiskWater Type
Groundwater
PFAS Detected
5
Above MCL
2
State
Utah
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxS Perfluorohexane sulfonic acid | 18.20ppt | 182% of limit
| 10 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 7.10ppt | 178% of limit
| 4 ppt | ⚠ Exceeds MCL |
lithium | 42800.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 6.20ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 5.70ppt | No federal limit | — | Unregulated |
Note: ZIP code 84054 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.