PlainWater
States → Florida

SEMINOLE IMPROVEMENT DISTRICT

PWS ID: FL4504903 · WESTLAKE, Florida 33414

PFAS Detected

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

Population Served
4,993
Total Violations
370
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
3,850
County
Palm Beach
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
369
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 7 2018
BHC-GAMMA MR 6 2005
Di(2-ethylhexyl) phthalate MR 6 2005
trans-1,2-Dichloroethylene MR 6 2005
Carbon tetrachloride MR 6 2005
Endothall MR 6 2005
Endrin MR 6 2005
Hexachlorocyclopentadiene MR 6 2005
Pentachlorophenol MR 6 2005
Tetrachloroethylene MR 6 2005
Benzene MR 6 2005
Simazine MR 6 2005
Di(2-ethylhexyl) adipate MR 6 2005
LASSO MR 6 2005
p-Dichlorobenzene MR 6 2005
Carbofuran MR 6 2005
2,4-D MR 6 2005
1,1-Dichloroethylene MR 6 2005
1,1,1-Trichloroethane MR 6 2005
Styrene MR 6 2005
Dalapon MR 6 2005
Heptachlor MR 6 2005
1,2-DIBROMO-3-CHLOROPROPANE MR 6 2005
Picloram MR 6 2005
Xylenes, Total MR 6 2005
Trichloroethylene MR 6 2005
1,1,2-Trichloroethane MR 6 2005
Diquat MR 6 2005
Atrazine MR 6 2005
DICHLOROMETHANE MR 6 2005

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 11 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFBA 6/7/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/7/2023 <0.006 µg/L 0.006 µg/L Not Detected
HFPO-DA 6/7/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 6/7/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/7/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/7/2023 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 6/7/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/7/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 6/7/2023 <0.008 µg/L 0.008 µg/L Not Detected
lithium 6/7/2023 <9 µg/L 9 µg/L Not Detected
ADONA 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/7/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/7/2023 0.0039 µg/L 0.003 µg/L Detected
PFOS 6/7/2023 0.0069 µg/L 0.004 µg/L Detected
PFBS 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/7/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFNA 6/7/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 6/7/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/7/2023 0.0031 µg/L 0.003 µg/L Detected
PFUnA 6/7/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/7/2023 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 6/7/2023 <0.02 µg/L 0.02 µg/L Not Detected
NMeFOSAA 12/6/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 12/6/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 12/6/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 12/6/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 12/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 12/6/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 12/6/2023 <9 µg/L 9 µg/L Not Detected
PFBS 12/6/2023 0.0048 µg/L 0.003 µg/L Detected
PFPeS 12/6/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 12/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 12/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 12/6/2023 0.0066 µg/L 0.003 µg/L Detected
PFMPA 12/6/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 12/6/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 12/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 12/6/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFBA 12/6/2023 0.0055 µg/L 0.005 µg/L Detected
PFHpA 12/6/2023 0.0034 µg/L 0.003 µg/L Detected
ADONA 12/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 12/6/2023 <0.002 µg/L 0.002 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.