PlainWater
States → Puerto Rico

LAS BOCAS

PWS ID: PR0004945 · SANTURCE, Puerto Rico 00916

PFAS Detected

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

Population Served
10,998
Total Violations
309
Health-Based Violations
70
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
4,119
County
Barranquitas Municipio
School/Daycare
No
MCL Violations
0
Monitoring Violations
221
Treatment Tech Violations
70

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Long Term 2 Enhanced Surface Water Treatment Rule TT 65 2019
Lead and Copper Rule MR 23 2016
Public Notice Other 10 2019
Cryptosporidium MR 9 2011
OXAMYL MR 8 2025
Carbofuran MR 8 2025
BHC-GAMMA MR 7 2025
Methoxychlor MR 7 2025
Hexachlorocyclopentadiene MR 7 2025
Heptachlor MR 7 2025
HEXACHLOROBENZENE MR 7 2025
Endrin MR 7 2025
Toxaphene MR 7 2025
Heptachlor epoxide MR 7 2025
Chlordane MR 7 2025
LASSO MR 6 2025
Atrazine MR 6 2025
Simazine MR 6 2025
Interim Enhanced Surface Water Treatment Rule TT 5 2023
Coliform (TCR) MR 4 2014
Consumer Confidence Rule Other 4 2020
Dalapon MR 4 2025
Diquat MR 4 2025
Di(2-ethylhexyl) adipate MR 4 2025
Picloram MR 4 2025
2,4-D MR 4 2025
2,4,5-TP MR 4 2025
Benzo(a)pyrene MR 4 2025
Pentachlorophenol MR 4 2025
Total Polychlorinated Biphenyls (PCB) MR 4 2025

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 600 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 9/16/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 9/16/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/16/2025 <0.007 µg/L 0.007 µg/L Not Detected
lithium 9/16/2025 <9 µg/L 9 µg/L Not Detected
PFOA 9/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 9/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/16/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 9/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/16/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/16/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 8/21/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFDA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/21/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/21/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/21/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 8/21/2024 <9 µg/L 9 µg/L Not Detected
PFBS 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 8/21/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFOA 8/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/21/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFOS 8/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 8/21/2024 <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.