PlainWater

VEGA BAJA URBANO

PWS ID: PR0002772 · VEGA BAJA, Puerto Rico 00693

PFAS Detected

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

Population Served
26,660
Total Violations
647
Health-Based Violations
73
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
9,985
County
Vega Baja Municipio
School/Daycare
No
MCL Violations
29
Monitoring Violations
555
Treatment Tech Violations
44

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule TT 30 2006
Total Haloacetic Acids (HAA5) MR 18 2018
E. COLI MR 18 2025
TTHM MR 16 2018
TTHM MCL 16 2017
Carbofuran MR 15 2019
OXAMYL MR 15 2019
LASSO MR 14 2019
Atrazine MR 14 2019
Benzo(a)pyrene MR 14 2019
Di(2-ethylhexyl) adipate MR 14 2019
Hexachlorocyclopentadiene MR 14 2019
Simazine MR 14 2019
Turbidity MR 14 2017
Cryptosporidium MR 14 2017
Total Polychlorinated Biphenyls (PCB) MR 13 2019
Di(2-ethylhexyl) phthalate MR 12 2018
Coliform (TCR) MR 12 2010
Chlordane MR 11 2019
Heptachlor MR 11 2019
Heptachlor epoxide MR 11 2019
HEXACHLOROBENZENE MR 11 2019
BHC-GAMMA MR 11 2019
Toxaphene MR 11 2019
Methoxychlor MR 11 2019
Endothall MR 11 2018
Endrin MR 11 2019
Diquat MR 10 2019
Glyphosate MR 10 2018
1,2-DIBROMO-3-CHLOROPROPANE MR 9 2018

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 360 samples detected PFAS.

Contaminant Date Result MRL Status
PFDoA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/12/2025 <9 µg/L 9 µg/L Not Detected
PFBA 8/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/12/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/12/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/12/2025 0.0044 µg/L 0.004 µg/L Detected
PFNA 8/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/12/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/12/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/12/2025 <0.006 µg/L 0.006 µg/L Not Detected
4:2 FTS 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/12/2025 <0.02 µg/L 0.02 µg/L Not Detected
8:2 FTS 8/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/12/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/12/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
lithium 8/12/2025 <9 µg/L 9 µg/L Not Detected
PFHxS 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 8/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/12/2025 0.0037 µg/L 0.003 µg/L Detected
PFPeS 8/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 8/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 8/12/2025 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 8/12/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 8/12/2025 <0.007 µg/L 0.007 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.