ZIP Code 92562
High RiskPFAS above EPA limits detected
4 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.
16
PFAS Detected
4
Above EPA Limits
4
Water Systems
400%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 143% of limit
Detected: 5.70 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 138% of limit
Detected: 5.50 ppt
EASTERN MUNICIPAL WD
CA3310009 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 | 39000.00ppt | No federal limit | — | Unregulated |
ELSINORE VALLEY MWD
CA3310012 Low LevelWater Type
MX
PFAS Detected
2
Above MCL
0
State
California
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 39000.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 7.00ppt | No federal limit | — | Unregulated |
WESTERN MWD - MURRIETA DIVISION
CA3310036 High RiskWater Type
Surface Water
PFAS Detected
4
Above MCL
2
State
California
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 5.70ppt | 143% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 5.50ppt | 138% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 4.10ppt | 41% of limit
| 10 ppt | Below limit |
lithium | 37000.00ppt | No federal limit | — | Unregulated |
RANCHO CALIFORNIA WATER DISTRICT
CA3310038 High RiskWater Type
Groundwater
PFAS Detected
9
Above MCL
2
State
California
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 16.00ppt | 400% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 11.00ppt | 275% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 6.70ppt | 67% of limit
| 10 ppt | Below limit |
lithium | 44000.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 7.80ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 7.70ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 7.30ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 6.60ppt | No federal limit | — | Unregulated |
Show 1 more compound detected at low levels
| PFHpAPerfluoroheptanoic acid | 3.30 ppt | No federal limit |
Note: ZIP code 92562 is served by 4 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.