PlainWater

YABUCOA URBANO

PWS ID: PR0005196 · YABUCOA, Puerto Rico 00767

PFAS Detected

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

Population Served
14,610
Total Violations
384
Health-Based Violations
175
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
5,472
County
Yabucoa Municipio
School/Daycare
No
MCL Violations
48
Monitoring Violations
187
Treatment Tech Violations
127

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 111 2001
Coliform (TCR) MCL 42 2012
Lead and Copper Rule MR 23 2016
Cryptosporidium MR 15 2018
E. COLI MR 12 2018
Turbidity MR 12 2018
Interim Enhanced Surface Water Treatment Rule TT 11 2010
CARBON, TOTAL TT 5 2008
Fluoride MR 4 2005
Nitrate MR 4 2006
Consumer Confidence Rule Other 4 2020
Total Haloacetic Acids (HAA5) MCL 4 2021
Xylenes, Total MR 3 2005
DICHLOROMETHANE MR 3 2005
p-Dichlorobenzene MR 3 2005
Vinyl chloride MR 3 2005
1,1-Dichloroethylene MR 3 2005
trans-1,2-Dichloroethylene MR 3 2005
1,2-Dichloroethane MR 3 2005
1,1,2-Trichloroethane MR 3 2005
CHLOROBENZENE MR 3 2005
Ethylbenzene MR 3 2005
Styrene MR 3 2005
Surface Water Treatment Rule MR 3 2021
1,2,4-Trichlorobenzene MR 3 2005
cis-1,2-Dichloroethylene MR 3 2005
Trichloroethylene MR 3 2005
Tetrachloroethylene MR 3 2005
Benzene MR 3 2005
Toluene MR 3 2005

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFMPA 7/29/2024 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 7/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 7/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 7/29/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHpS 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 7/29/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 7/29/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFDA 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/29/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/29/2024 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 7/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 7/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 7/29/2024 <9 µg/L 9 µg/L Not Detected
PFNA 7/29/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 7/29/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 7/29/2024 <0.02 µg/L 0.02 µg/L Not Detected
HFPO-DA 7/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 7/29/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 7/29/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/29/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 4/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 4/18/2024 <0.006 µg/L 0.006 µg/L Not Detected
HFPO-DA 4/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 4/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 4/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 4/18/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 4/18/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 4/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 4/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 4/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 4/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 4/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 4/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 4/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 4/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 4/18/2024 <9 µg/L 9 µg/L Not Detected
PFMPA 4/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 4/18/2024 <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.