PlainWater
States → California

CITY OF ARCADIA

PWS ID: CA1910003 · ARCADIA, California 91006

PFAS Detected

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

Population Served
51,361
Total Violations
17
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
15,564
County
Los Angeles
School/Daycare
No
MCL Violations
2
Monitoring Violations
13
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 8 2008
Coliform (TCR) MR 2 2016
Groundwater Rule Other 2 2016
Nitrate MCL 2 2006
Di(2-ethylhexyl) phthalate MR 2 2015
Lead and Copper Rule MR 1 1993

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 540 samples detected PFAS.

Contaminant Date Result MRL Status
ADONA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/6/2024 <0.02 µg/L 0.02 µg/L Not Detected
9Cl-PF3ONS 8/6/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHpS 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 8/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/6/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/6/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/6/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFOA 8/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 8/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 8/6/2024 <9 µg/L 9 µg/L Not Detected
PFDA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/6/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 8/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/31/2023 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 8/31/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/31/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/31/2023 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 8/31/2023 <0.006 µg/L 0.006 µg/L Not Detected
lithium 8/31/2023 <9 µg/L 9 µg/L Not Detected
PFTA 8/31/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/31/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 8/31/2023 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 8/31/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 8/31/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/31/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 8/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/31/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 8/31/2023 <0.004 µg/L 0.004 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.