PlainWater

CITY OF BILOXI-FRENCH

PWS ID: MS0240036 · BILOXI, Mississippi 39530

PFAS Detected

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

Population Served
4,968
Total Violations
365
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,987
County
Harrison
School/Daycare
No
MCL Violations
0
Monitoring Violations
345
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Uranium MR 111 2012
Radium-226 MR 82 2012
Radium-228 MR 82 2012
Gross Alpha, Excl. Radon and U MR 35 2008
Combined Radium (-226 and -228) MR 35 2008
Consumer Confidence Rule Other 7 2007
Public Notice Other 1 2008

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxA 6/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/6/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 6/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/6/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/6/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 6/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/6/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFBA 6/6/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 6/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/6/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 6/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 6/6/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 6/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/6/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/6/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/6/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 6/6/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/6/2023 <0.002 µg/L 0.002 µg/L Not Detected
NFDHA 6/6/2023 <0.02 µg/L 0.02 µg/L Not Detected
ADONA 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/28/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 6/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/28/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 6/28/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 6/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 6/28/2023 <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.