PlainWater

SOUTH COAST WATER DISTRICT

PWS ID: CA3010042 · LAGUNA BEACH, California 92651

PFAS Detected

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

Population Served
41,118
Total Violations
4
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
13,398
County
Orange
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 2000

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 7 of 240 samples detected PFAS.

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