CheckPFAS

ZIP Code 93023

Low Level
Low Level PFAS Risk Level
4
PFAS Detected
0
Above EPA Limits
4
Water Systems
N/A
Highest % of MCL

MEINERS OAKS CWD

CA5610005 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
74100.00pptNo federal limitUnregulated

OJAI WATER SYSTEM

CA5610014 Low Level
Water Type
MX
PFAS Detected
1
Above MCL
0
State
California
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
37000.00pptNo federal limitUnregulated

VENTURA RIVER WATER DISTRICT

CA5610022 Low Level
Water Type
Surface Water
PFAS Detected
1
Above MCL
0
State
California
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
49000.00pptNo federal limitUnregulated

CASITAS MUNICIPAL WATER DIST

CA5610024 Low Level
Water Type
MX
PFAS Detected
1
Above MCL
0
State
California
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
16000.00pptNo federal limitUnregulated
Note: ZIP code 93023 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.

View raw EPA data →