PlainWater

CAGUAS SUR

PWS ID: PR0005066 · CAGUAS, Puerto Rico 00725

Population Served
33,231
Total Violations
229
Health-Based Violations
85
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
12,446
County
Caguas Municipio
School/Daycare
No
MCL Violations
31
Monitoring Violations
118
Treatment Tech Violations
54

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 41 2001
Coliform (TCR) MCL 16 2011
Turbidity MR 14 2017
Cryptosporidium MR 14 2017
E. COLI MR 14 2017
Lead and Copper Rule MR 11 2015
TTHM MCL 9 2016
Surface Water Treatment Rule MR 8 2025
CARBON, TOTAL TT 7 2011
Total Haloacetic Acids (HAA5) MCL 6 2016
Coliform (TCR) MR 5 2006
Total Haloacetic Acids (HAA5) MR 5 2015
TTHM MR 5 2015
Interim Enhanced Surface Water Treatment Rule TT 4 2023
Consumer Confidence Rule Other 4 2020
Arsenic MR 2 1984
Chromium MR 2 1984
Nitrate MR 2 1984
Selenium MR 2 1984
Cadmium MR 2 1984
Barium MR 2 1984
Mercury MR 2 1984
Fluoride MR 2 1984
Lead and Copper Rule TT 2 1995
1,2,4-Trichlorobenzene MR 1 2005
cis-1,2-Dichloroethylene MR 1 2005
DICHLOROMETHANE MR 1 2005
p-Dichlorobenzene MR 1 2005
Vinyl chloride MR 1 2005
trans-1,2-Dichloroethylene MR 1 2005

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeS 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/20/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/20/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFTrDA 8/20/2024 <0.007 µg/L 0.007 µg/L Not Detected
lithium 8/20/2024 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 8/20/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/20/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFOS 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/20/2024 <0.008 µg/L 0.008 µg/L Not Detected
11Cl-PF3OUdS 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 5/31/2024 <0.002 µg/L 0.002 µg/L Not Detected
lithium 5/31/2024 <9 µg/L 9 µg/L Not Detected
PFBS 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 5/31/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/31/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 5/31/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/31/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 5/31/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/31/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 5/31/2024 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 5/31/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFDoA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 5/31/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFBA 5/31/2024 <0.005 µg/L 0.005 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.