CheckPFAS

ZIP Code 92801

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.

7
PFAS Detected
3
Above EPA Limits
1
Water System
725%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 725% of limit
Detected: 29.00 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 253% of limit
Detected: 10.10 ppt
PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 109% of limit
Detected: 10.90 ppt

CITY OF ANAHEIM

CA3010001 High Risk
Water Type
Groundwater
PFAS Detected
7
Above MCL
3
State
California
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
29.00ppt
725% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
10.10ppt
253% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
10.90ppt
109% of limit
10 ppt⚠ Exceeds MCL
PFBA
Perfluorobutanoic acid
16.50pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
12.40pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
4.70pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
3.40pptNo 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 →