CheckPFAS

ZIP Code 92314

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

3 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.

8
PFAS Detected
3
Above EPA Limits
1
Water System
360%
Highest % of MCL

Compounds Exceeding EPA Limits

PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 360% of limit
Detected: 36.00 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 248% of limit
Detected: 9.90 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 113% of limit
Detected: 4.50 ppt

BIG BEAR CITY CSD

CA3610008 High Risk
Water Type
Groundwater
PFAS Detected
8
Above MCL
3
State
California
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFHxS
Perfluorohexane sulfonic acid
36.00ppt
360% of limit
10 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
9.90ppt
248% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
4.50ppt
113% of limit
4 ppt⚠ Exceeds MCL
PFPeA
Perfluoropentanoic acid
12.00pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
11.00pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
9.20pptNo federal limitUnregulated
PFPeS
7.40pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
3.50pptNo federal limitUnregulated

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 →