Guam Environmental Profile
Comprehensive environmental data from EPA sources for Guam (GU)
Overview
TRI Facilities
9
Water Systems
4
Superfund Sites
2
Total Violations
6
Total Releases
233.4K lbs
Health Violations
2
water systems
Largest Polluters
View all →| # | Facility | Total Releases |
|---|---|---|
| 1 | NAVAL BASE GUAM-APRA HARBOR WWTP | 200.5K lbs |
| 2 | GUAM POWER AUTHORITY | 15.5K lbs |
| 3 | SOUTH PACIFIC PETROLEUM CORP | 12.6K lbs |
| 4 | MOBIL OIL GUAM INC (CABRAS ISLAND TERMINAL) | 2.7K lbs |
| 5 | YIGO POWER PLANT | 1.2K lbs |
| 6 | DEDEDO COMBUSTION TURBINE GENERATING FACILITY | 479 lbs |
| 7 | ANDERSEN AIR FORCE BASE (US AIR FORCE) | 324 lbs |
| 8 | HAWAIIAN ROCK PRODUCTS-GUAM | 37 lbs |
| 9 | TRISTAR TERMINALS GUAM INC. | 0 lbs |
Water Quality
Systems with Health Violations
| Water System | Population | Violations |
|---|---|---|
| GWA CENTRAL WATER SYSTEM | 21,398 | 4 |
| GWA SOUTHERN WATER SYSTEM | 5,801 | 2 |
Cities with Water Issues
Superfund Sites (2)
| Site Name | Status | HRS Score |
|---|---|---|
| Andersen Air Force Base | NPL Site | 50.00 |
| Ordot Landfill | NPL Site | 0.00 |
Counties (1 total)
| County | Population | Facilities |
|---|---|---|
| Guam | — | 9 |
Largest Cities
Yigo
Pop: —
2 facilities · 0 water systems
Mangilao
Pop: —
1 facilities · 3 water systems
Piti
Pop: —
3 facilities · 0 water systems
Santa Rita
Pop: —
1 facilities · 0 water systems
Agat
Pop: —
1 facilities · 0 water systems
Dededo
Pop: —
1 facilities · 0 water systems
Apo Ap
Pop: —
0 facilities · 1 water systems
Ordot
Pop: —
0 facilities · 0 water systems
About This Data
This page aggregates environmental data from three EPA programs for Guam: the Toxic Release Inventory (TRI) for industrial chemical releases, the Safe Drinking Water Information System (SDWIS) for water quality, and the Superfund National Priorities List (NPL) for hazardous waste cleanup sites.
PlainEnviro presents this data without advocacy framing. Numbers reflect reported data and may not capture all environmental activity. For specific health or environmental concerns, contact your state environmental agency.