PlainWater
States → Puerto Rico

RIO LOCO

PWS ID: PR0004094 · GUANICA, Puerto Rico 00653

Population Served
1,501
Total Violations
70
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
714
County
Yauco Municipio
School/Daycare
No
MCL Violations
6
Monitoring Violations
59
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 6 2014
Lead and Copper Rule MR 4 2013
o-Dichlorobenzene MR 2 2005
p-Dichlorobenzene MR 2 2005
trans-1,2-Dichloroethylene MR 2 2005
1,2-Dichloroethane MR 2 2005
Carbon tetrachloride MR 2 2005
1,2-Dichloropropane MR 2 2005
Trichloroethylene MR 2 2005
Tetrachloroethylene MR 2 2005
CHLOROBENZENE MR 2 2005
Benzene MR 2 2005
Toluene MR 2 2005
Ethylbenzene MR 2 2005
Styrene MR 2 2005
1,1-Dichloroethylene MR 2 2005
cis-1,2-Dichloroethylene MR 2 2005
1,1,2-Trichloroethane MR 2 2005
1,1,1-Trichloroethane MR 2 2005
DICHLOROMETHANE MR 2 2005
1,2,4-Trichlorobenzene MR 2 2005
Xylenes, Total MR 2 2005
Vinyl chloride MR 2 2005
Coliform (TCR) MR 1 1998
Dinoseb MR 1 1998
2,4,5-TP MR 1 1998
Pentachlorophenol MR 1 1998
1,2-DIBROMO-3-CHLOROPROPANE MR 1 2005
OXAMYL MR 1 2009
Carbofuran MR 1 2009
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.