ZIP Code 85138
Low Level4
PFAS Detected
0
Above EPA Limits
3
Water Systems
N/A
Highest % of MCL
Ak Chin Village
090400090 Low LevelWater Type
Surface Water
PFAS Detected
2
Above MCL
0
State
09
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 90800.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 3.00ppt | No federal limit | — | Unregulated |
GWR - SANTA CRUZ WATER CO. INC.
AZ0411131 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Arizona
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 263000.00ppt | No federal limit | — | Unregulated |
COPPER MOUNTAIN RANCH CFD
AZ0411328 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Arizona
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 185000.00ppt | No federal limit | — | Unregulated |
Note: ZIP code 85138 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.