CheckPFAS

ZIP Code 92308

Low Level
Low Level PFAS Risk Level
3
PFAS Detected
0
Above EPA Limits
3
Water Systems
N/A
Highest % of MCL

RANCHERITOS MWC

CA3600200 Low Level
Water Type
Groundwater
PFAS Detected
1
Above MCL
0
State
California
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
9450.00pptNo federal limitUnregulated

LIBERTY UTILITIES (AV RANCHOS) CORP.

CA3610003 Low Level
Water Type
Groundwater
PFAS Detected
1
Above MCL
0
State
California
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
32000.00pptNo federal limitUnregulated

GOLDEN STATE WATER CO - APPLE VLY SOUTH

CA3610107 Low Level
Water Type
Groundwater
PFAS Detected
1
Above MCL
0
State
California
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
21600.00pptNo federal limitUnregulated
Note: ZIP code 92308 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.

View raw EPA data →