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Superfund Sites in Puerto Rico
26 Superfund sites in 11 cities and 21 counties · Data as of 10/28/2026
Superfund sites on this page
Superfund sites in Puerto Rico at a glance
- With a population of 3,234,309, Puerto Rico has 26 Superfund sites (8.0 per 1 million people).
- That is 48% more per resident than the national rate of 5.4 per 1 million.
- The most common type is Final NPL Site (18, 69%), followed by Deleted NPL Site (8).
- The largest concentrations are in Cabo Rojo (1), Candelaria (1) and Cidra (1).
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All Superfund sites in Puerto Rico
26 listed, A to Z
- Atlantic Fleet Weapons Training AreaFederalFinal NPL Site, 8 contaminantsVieques, PR
- Barceloneta LandfillDeleted NPL Site, 5 contaminantsRoad # 666,florida Afuera Ward, Florida Afuera, PR
- Cabo Rojo Ground Water ContaminationFinal NPL Site, 5 contaminantsCross Str. Calle Barbosa & Calle Dediego, Cabo Rojo, PR
- Cidra Groundwater ContaminationFinal NPL Site, 5 contaminantsRoad 171 (South of the Village of Cidra), Cidra, PR
- Corozal WellDeleted NPL Site, 2 contaminants[off Of] Carretera 811 Km 3.0, Corozal, PR
- Dorado Ground Water ContaminationFinal NPL Site, 2 contaminantsPR-694 Km 4.5, Dorado, PR
- Fibers Public Supply WellsFinal NPL Site, 16 contaminantsRte 3, Jobos, PR
- Frontera CreekDeleted NPL Site, 15 contaminantsRio Abajo Near Route 3, Km 76.9 - 78.6, Rio Abajo, PR
- Hormigas Ground Water PlumeDeleted NPL SiteCarretera 785 Km 4.9, Caguas, PR
- Juncos LandfillFinal NPL Site, 36 contaminantsBo Ceiba Norte, Road 189, Juncos, PR
- Maunabo Area Ground Water ContaminationFinal NPL Site, 4 contaminantsState Road #3, Km 110.2, Maunabo, PR
- Naval Security Group ActivityFederalDeleted NPL Site, 1 contaminantBtw De Diego Exspressway & Ingenio Rd., Sabana Seca, PR
- Ochoa Fertilizer co.Final NPL SitePr-333 Km 1.9, Guanica, PR
- Papelera Puertorriquena, Inc.Final NPL Site, 1 contaminantRd 111 Km 1.8, Vivi Abajo Ward, Utuado, PR
- Pesticide Warehouse IIIFinal NPL Site, 5 contaminantsRoad 670 Km 3.7 Palo Alto, Manati, PR
- Pesticide Warehouse iFinal NPL Site, 28 contaminantsRoad # 2 Km 59.7, Arecibo, PR
- ProtecoFinal NPL SiteRoad 385 Km 4.4 Bo Tallaboa, Penuelas, PR
- Rca Del CaribeDeleted NPL SitePr Rd #2 Km 59.5, Barceloneta, PR
- San German Ground Water ContaminationFinal NPL Site, 5 contaminantsState Road #122 (Also Known As Road 119), San German, PR
- Scorpio Recycling, Inc.Final NPL Site, 10 contaminantsState Road #2 Km. 19.7 (Acuna Street), Candeleria Ward, PR
- The Battery Recycling CompanyFinal NPL Site, 8 contaminantsRoad 2 Km 72.2 Bo. Cambalache, Arecibo, PR
- Upjohn FacilityFinal NPL Site, 1 contaminantRte 2, Barceloneta, PR
- Vega Alta Public Supply WellsFinal NPL Site, 16 contaminantsHighway 2, Vega Alta, PR
- Vega Baja Solid Waste DisposalFinal NPL Site, 4 contaminantsRoad 674, Km 2, Rio Abajo Ward, PR
- ge Wiring DevicesDeleted NPL Site, 1 contaminantKm 67 Carretera No 149, Juana Diaz, PR
- v&m/AlbaladejoDeleted NPL Site, 10 contaminantsRoad 160, Almirante Norte Ward, PR
Frequently asked questions
- How many Superfund sites are in Puerto Rico?
- There are 26 Superfund sites in Puerto Rico in our data as of 10/28/2026.
- Which Puerto Rico cities have the most Superfund sites?
- Cabo Rojo (1), Candelaria (1), Cidra (1), Guánica (1), Juana Díaz (1).