PlainWater
States → California

LOS ANGELES CWWD 40, R 24,27,33-PEARBLSM

PWS ID: CA1910203 · ALHAMBRA, California 91803

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
11,509
Total Violations
2
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,001
County
Los Angeles
School/Daycare
No
MCL Violations
2
Monitoring Violations
0
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 2 2003

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 70 samples detected PFAS.

Contaminant Date Result MRL Status
PFTA 9/4/2024 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 9/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/4/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 9/4/2024 <0.007 µg/L 0.007 µg/L Not Detected
lithium 9/4/2024 16.3000 µg/L 9 µg/L Detected
PFOS 8/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/13/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/13/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFEESA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/13/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFOA 8/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 5/21/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 5/21/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 5/21/2024 12.2000 µg/L 9 µg/L Detected
NMeFOSAA 5/21/2024 <0.006 µg/L 0.006 µg/L Not Detected
9Cl-PF3ONS 2/25/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFEESA 2/25/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 2/25/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 2/25/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 2/25/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 2/25/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 2/25/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 2/25/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 2/25/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 2/25/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 2/25/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 2/25/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 2/25/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 2/25/2025 <9 µg/L 9 µg/L Not Detected
11Cl-PF3OUdS 2/25/2025 <0.005 µg/L 0.005 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.