PlainWater
States → Puerto Rico

COMERIO URBANO

PWS ID: PR0004705 · COMERIO, Puerto Rico 00782

PFAS Detected

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

Population Served
14,872
Total Violations
261
Health-Based Violations
127
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
5,570
County
Comerio Municipio
School/Daycare
No
MCL Violations
72
Monitoring Violations
125
Treatment Tech Violations
55

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 55 2020
Interim Enhanced Surface Water Treatment Rule TT 27 2023
CARBON, TOTAL TT 26 2014
Cryptosporidium MR 19 2018
Coliform (TCR) MCL 17 2015
E. COLI MR 17 2018
Turbidity MR 17 2018
Nitrate MR 8 2024
Arsenic MR 5 2013
Cadmium MR 5 2013
Chromium MR 5 2013
Fluoride MR 5 2014
Barium MR 5 2013
Lead and Copper Rule MR 5 2016
Selenium MR 5 2013
Mercury MR 5 2013
Total Haloacetic Acids (HAA5) MR 4 2015
Consumer Confidence Rule Other 4 2020
TTHM MR 4 2015
Coliform (TCR) MR 3 2014
Surface Water Treatment Rule MR 3 2000
Antimony, Total MR 2 2013
Thallium, Total MR 2 2013
Surface Water Treatment Rule TT 2 2023
Beryllium, Total MR 2 2013
LASSO MR 2 2014
Combined Radium (-226 and -228) MR 1 1980
Gross Alpha, Excl. Radon and U MR 1 1980

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 5 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
PFDA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/11/2023 <0.002 µg/L 0.002 µg/L Not Detected
9Cl-PF3ONS 9/11/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 9/11/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 9/11/2023 <0.008 µg/L 0.008 µg/L Not Detected
4:2 FTS 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/11/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFEESA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 9/11/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFOS 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
lithium 9/11/2023 <9 µg/L 9 µg/L Not Detected
PFMBA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 9/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 6/26/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 6/26/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/26/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/26/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 6/26/2023 0.0056 µg/L 0.003 µg/L Detected
PFEESA 6/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 6/26/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 6/26/2023 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 6/26/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 6/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 6/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/26/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/26/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 6/26/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 6/26/2023 0.0034 µg/L 0.003 µg/L Detected
PFDoA 6/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/26/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/26/2023 <0.004 µg/L 0.004 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.