PlainWater

MEXICO BEACH, CITY OF

PWS ID: FL1030467 · MEXICO BEACH, Florida 32410

PFAS Detected

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

Population Served
5,888
Total Violations
78
Health-Based Violations
59
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,355
County
Bay
School/Daycare
No
MCL Violations
58
Monitoring Violations
16
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 34 2024
TTHM MCL 20 2010
Total Haloacetic Acids (HAA5) MR 7 2017
TTHM MR 7 2017
Fluoride MCL 2 1991
Coliform (TCR) MCL 2 2005
LEAD AND COPPER RULE REVISIONS RPT 1 2025
LEAD AND COPPER RULE REVISIONS TT 1 2025
Gross Alpha, Excl. Radon and U MR 1 1984
Lead and Copper Rule MR 1 2014

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 9/12/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 9/12/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 9/12/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFEESA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/12/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFUnA 9/12/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/12/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 9/12/2023 <9 µg/L 9 µg/L Not Detected
4:2 FTS 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 9/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/5/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/5/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 6/5/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHpS 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/5/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/5/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 6/5/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 6/5/2023 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 6/5/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFMPA 6/5/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 6/5/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/5/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 6/5/2023 <0.008 µg/L 0.008 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.