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States → California

CITY OF SANTA BARBARA WATER DEPARTMENT

PWS ID: CA4210010 · SANTA BARBARA, California 93102

PFAS Detected

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

Population Served
98,872
Total Violations
9
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
27,504
County
Santa Barbara
School/Daycare
No
MCL Violations
2
Monitoring Violations
2
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 2 2011
Coliform (TCR) MCL 2 1996

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 205 samples detected PFAS.

Contaminant Date Result MRL Status
NEtFOSAA 8/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/29/2023 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 8/29/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 8/29/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFEESA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/10/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 7/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/10/2023 33.5000 µg/L 9 µg/L Detected
HFPO-DA 7/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 7/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 7/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 7/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/10/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/10/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 5/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/6/2024 <0.02 µg/L 0.02 µg/L Not Detected
11Cl-PF3OUdS 5/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 5/6/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFEESA 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/6/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/6/2024 <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.