PlainWater

AIBONITO URBANO

PWS ID: PR0004955 · SANTURCE, Puerto Rico 00916

PFAS Detected

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

Population Served
5,524
Total Violations
307
Health-Based Violations
26
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,069
County
Aibonito Municipio
School/Daycare
No
MCL Violations
11
Monitoring Violations
277
Treatment Tech Violations
15

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Cryptosporidium MR 24 2017
CARBON, TOTAL TT 15 2014
Lead and Copper Rule MR 10 2016
E. COLI MR 10 2018
TTHM MCL 9 2020
Turbidity MR 8 2017
Nitrate MR 7 2022
OXAMYL MR 7 2015
Carbofuran MR 7 2015
Methoxychlor MR 5 2014
Toxaphene MR 5 2014
Dalapon MR 5 2014
Di(2-ethylhexyl) adipate MR 5 2014
Simazine MR 5 2014
Hexachlorocyclopentadiene MR 5 2014
Heptachlor MR 5 2014
Pentachlorophenol MR 5 2014
Endrin MR 5 2014
BHC-GAMMA MR 5 2014
Diquat MR 5 2014
Endothall MR 5 2014
Atrazine MR 5 2014
LASSO MR 5 2014
Heptachlor epoxide MR 5 2014
2,4-D MR 5 2014
HEXACHLOROBENZENE MR 5 2014
Chlordane MR 5 2014
ETHYLENE DIBROMIDE MR 5 2014
Dinoseb MR 5 2014
1,2-DIBROMO-3-CHLOROPROPANE MR 5 2014

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 9/25/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 9/25/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 9/25/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 9/25/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFMPA 9/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/25/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 9/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
lithium 9/25/2023 <9 µg/L 9 µg/L Not Detected
8:2 FTS 9/25/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/25/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/25/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/25/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/25/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/25/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 9/25/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/25/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 9/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 9/25/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 9/25/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFMPA 9/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 9/25/2023 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 9/25/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/25/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFNA 9/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 9/25/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/25/2023 <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.