CheckPFAS

ZIP Code 90706

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

6 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.

15
PFAS Detected
6
Above EPA Limits
3
Water Systems
1475%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 425% of limit
Detected: 17.00 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 190% of limit
Detected: 7.60 ppt
PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 110% of limit
Detected: 11.00 ppt

BELLFLOWER - SOMERSET MWC

CA1910013 High Risk
Water Type
Groundwater
PFAS Detected
2
Above MCL
1
State
California
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
17.00ppt
425% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
5.10ppt
51% of limit
10 pptBelow limit

BELLFLOWER MUNICIPAL WATER SYSTEM

CA1910018 High Risk
Water Type
Surface Water
PFAS Detected
4
Above MCL
2
State
California
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
32.60ppt
815% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
7.60ppt
190% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
5.60ppt
56% of limit
10 pptBelow limit
PFBA
Perfluorobutanoic acid
5.20pptNo federal limitUnregulated

LIBERTY UTILITIES - BELLFLOWER-NORWALK

CA1910211 High Risk
Water Type
Groundwater
PFAS Detected
9
Above MCL
3
State
California
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
59.00ppt
1475% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
16.00ppt
400% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
11.00ppt
110% of limit
10 ppt⚠ Exceeds MCL
lithium
88600.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
17.00pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
10.00pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
8.90pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
8.70pptNo federal limitUnregulated
Show 1 more compound detected at low levels
PFHpAPerfluoroheptanoic acid3.90 pptNo federal limit
Note: ZIP code 90706 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 →