ZIP Code 84784
High RiskPFAS 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.
6
PFAS Detected
2
Above EPA Limits
1
Water System
650%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 650% of limit
Detected: 26.00 ppt
PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 220% of limit
Detected: 22.00 ppt
HILDALE - COLORADO CITY
UTAH27006 High RiskWater Type
Groundwater
PFAS Detected
6
Above MCL
2
State
Utah
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 26.00ppt | 650% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 22.00ppt | 220% of limit
| 10 ppt | ⚠ Exceeds MCL |
PFBS Perfluorobutane sulfonic acid | 17.00ppt | No federal limit | — | Unregulated |
PFPeS | 13.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 12.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 4.30ppt | No 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.