Guam County contains 70 EPA-regulated facilities, 14 of which are currently flagged for significant noncompliance. The county also hosts 2 Superfund sites and 10 TRI chemical reporters. EPA has assessed $103.7k in lifetime penalties and TRI reporters disclosed roughly 235.6k lb of on-site releases. That facility count is near the Guam state average of 70 per county.
| Site | City | Status |
|---|---|---|
| Andersen Air Force Base | Yigo | Cleanup underway |
| Ordot Landfill | Agana | Ready for anticipated reuse |
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Apra Harbor Naval Complex | Santa Rita | 194.9k | Compliant |
| Guam Power Authority - Cabras Power Plant | Piti | 21.5k | Sig. violation |
| South Pacific Petroleum Corp | Piti | 12.6k | Penalties |
| Mobil Oil Guam Inc - Cabras Terminal | Piti | 4.5k | Compliant |
| Yigo Power Plant | Yigo | 1.2k | Compliant |
| Andersen Air Force Base | Yigo | 424 | Penalties |
| Dededo Combustion Turbine Generating Facility | Dededo | 418 | Compliant |
| Hawaiian Rock Products-Guam | Mangilao | 40 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Ordot Landfill | Ordot | $0 | 2025-06-06 |
| Port Authority Of Guam | Piti | $0 | 2022-12-06 |
| Agana Sewage Treatment Plt | Hagatna | $0 | 2025-02-04 |
| Port Authority Of Guam - Equipment Maintenance And Repair Facilities | Piti | $0 | 2017-09-12 |
| A.b. Won Pat International Airport, Guam (Light Aircraft Facility) | Barrigada | $0 | |
| Guam Power Authority - Cabras Power Plant | Piti | $0 | 2026-02-18 |
| Carrier Guam Inc | Tamuning | $0 | |
| Hawaiian Rock Products Concrete Batching Plant, Agat | Agat | $0 | 2025-06-09 |
| A.b. Won Pat International Airport, Guam | Dededo | $0 | |
| Apra Harbor Wwtp | Santa Rita | $0 | 2026-02-19 |
| Buena Vista Estate Phase Iv As-Built Grading & Erosion Control Plan | Santa Rita | $0 | 2025-01-24 |
| Guam Shipyard | Santa Rita | $0 | 2024-09-10 |
| Umatac Merizo Sewage Tmt Plt | Merizo | $0 | 2019-08-28 |
| United Airlines (Formerly Continental Micronesia) | Tamuning | $0 |