ZIP Code 90501
Low Level4
PFAS Detected
0
Above EPA Limits
3
Water Systems
35%
Highest % of MCL
CALIFORNIA WATER SERVICE CO. - DOMINGUEZ
CA1910033 Low LevelWater Type
Surface Water
PFAS Detected
2
Above MCL
0
State
California
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxS Perfluorohexane sulfonic acid | 3.50ppt | 35% of limit
| 10 ppt | Below limit |
lithium | 64700.00ppt | No federal limit | — | Unregulated |
LOS ANGELES-CITY, DEPT. OF WATER & POWER
CA1910067 Low LevelWater Type
Surface Water
PFAS Detected
1
Above MCL
0
State
California
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 100000.00ppt | No federal limit | — | Unregulated |
TORRANCE-CITY, WATER DEPT.
CA1910213 Low LevelWater Type
Surface Water
PFAS Detected
1
Above MCL
0
State
California
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 58000.00ppt | No federal limit | — | Unregulated |
Note: ZIP code 90501 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.