EPA · discharge permits by state

Discharge permits in Guam

232Current permits
4Major dischargers
31Individual permits

A major discharger is one EPA rates as significant on volume, toxicity or the water it reaches; the rest are minors. An individual permit is written for one operation, while general permit coverage applies a statewide permit to a site that qualifies for it.

By what is permitted in Guam

By city

Permits

Major dischargers first. Not every permit in Guam is listed here.

Permit holder	NPDES ID	City	Program	Discharger	Receiving water
AGANA SEWERAGE TREATMENT PLANT	GU0020087	HAGATNA	Publicly owned treatment works	Major	PACIFIC OCEAN
AGAT STP	GU0020222	AGAT	Publicly owned treatment works	Major	TIPALAO BAY PHILIPPINE SEA
APRA HARBOR WWTP	GU0110019	APRA HARBOR NAVAL BASE		Major	TIPALAO BAY PHILIPPINE SEA
NORTHERN DISTRICT STP	GU0020141	DEDEDO	Publicly owned treatment works	Major	PACIFIC OCEAN
ACHO LATTE	GUR10006Z	DEDEDO	Construction stormwater	Minor	Mataguac Spring-Frontal Pacific Ocean
ADACAO WATER AND SEWER INFRASTRUCTURE	09R10I014	MANGILAO	Construction stormwater	Minor	Fonte River-Frontal Hagatna Bay
AGANA SMALL BOAT HARBOR	GUR10006S	HAGÅTÑA	Construction stormwater	Minor	Fonte River-Frontal Hagatna Bay
AGAT SOCCER COMPLEX	GUR10007R	AGAT	Construction stormwater	Minor	Namo River-Frontal Agat Bay
APRA HARBOR WATERFRONT REPAIRS: SUMAY COVE	09R10I00X	PITI	Construction stormwater	Minor	Atantano River-Frontal Apra Harbor
APRA HARBOR WWTP	GUL110019	AGAT	Biosolids	Minor
APRA MEDICAL/DENTAL CLINIC	GUR100013	NAVAL BASE	Construction stormwater	Minor	Atantano River-Frontal Apra Harbor
B31GS AISR-DT MET LARGE FIXED ANTENNA (LFA) PROJECT	GUR10006L	DEDEDO	Construction stormwater	Minor	Mataguac Spring-Frontal Pacific Ocean
BANK OF GUAM NORTHERN (FULL SERVICE) BRANCH	09R10I007	DEDEDO	Construction stormwater	Minor	Mataguac Spring-Frontal Pacific Ocean
BANK OF HAWAII HEADQUARTERS	GUR10005S	TAMUNING	Construction stormwater	Minor	Fonte River-Frontal Hagatna Bay
BARRIGADA CLEARING	09R10I00G	BARRIGADA	Construction stormwater	Minor	Fonte River-Frontal Hagatna Bay
BARRIGADA SECURITY FENCE	09R10I00A	BARRIGADA	Construction stormwater	Minor	Fonte River-Frontal Hagatna Bay
BAZA GARDENS WWTF	GU0020095	YONA	Publicly owned treatment works	Minor	TOGCHA RIVER
BEQ J-031 & J-033	GUR10002B	YIGO	Construction stormwater	Minor	Mataguac Spring-Frontal Pacific Ocean
BEUNA VISTA ESTATES FIRE ROADS	GUR10005C	SANTA RITA	Construction stormwater	Minor	Talofofo River-Frontal Talofofo Bay
CABRAS MARINE CORPORATION	GU0020397	PITI	Industrial stormwater	Minor	Atantano River-Frontal Apra Harbor
CABRAS POWER PLANT	GU0020001	PITI		Minor	INNER APRA HARBOR
CABRAS TERMINAL (AREA A & C TANK FARM)	GU0020036	PITI		Minor	APRA HARBOR
CLEARING AND GRADING OF LOT 5040-3	GUR10008M	DEDEDO	Construction stormwater	Minor	Mataguac Spring-Frontal Pacific Ocean
CLEARING AND ROUGH GRADING LOT 2442-5, LOT 2442-6, LOT 2442-7, BARRIGADA, GUAM	GUR100085	BARRIGADA	Construction stormwater	Minor	Fonte River-Frontal Hagatna Bay
CLEARING AND TEMPORARY STOCKPILING AT LOT 5316-R3NEW-3, ROUTE 3 DEDEDO GUAM	GUR100052	DEDEDO	Construction stormwater	Minor	Mataguac Spring-Frontal Pacific Ocean
COAST 360 FCU UPPER TUMON BRANCH	GUR10004E	UPPER TUMON	Construction stormwater	Minor	Mataguac Spring-Frontal Pacific Ocean
CONSTRUCT READY-MIX CONCRETE BATCH PLANT, LOT 5035-R8	GUR10005G	DEDEDO	Construction stormwater	Minor	Mataguac Spring-Frontal Pacific Ocean
CONSTRUCTION REHABILITATION FOR HOTEL WHARF & HIGHWAY 11 ROADWAY RECONSTRUCTION	GUR10005J	PITI	Construction stormwater	Minor	Atantano River-Frontal Apra Harbor
CONTRACT N62742-21-D-1325, J-008 FIRE STATION, MARINE CORPS BASE, GUAM	GUR10003O	DEDEDO	Construction stormwater	Minor	Mataguac Spring-Frontal Pacific Ocean
DONKI CAR PARK	GUR10004K	TAMUNING	Construction stormwater	Minor	Fonte River-Frontal Hagatna Bay
DR. LUCIO C. TAN U.O.G. STUDENT SUCCESS CENTER	GUR100061	MANGILAO	Construction stormwater	Minor	Pago River-Frontal Pacific Ocean
FENA WATER TREATMENT PLANT	GU0020389	SANTA RITA		Minor	Namo River
FSM RECYCLING GUAM	GUR05J003	TAMUNING	Industrial stormwater	Minor	Fonte River-Frontal Hagatna Bay
FY 2025 MILCON PROJECT P-411 YOUTH CENTER	09R10I019	YIGO	Construction stormwater	Minor	Mataguac Spring-Frontal Pacific Ocean
FY 21 MILCON PROJECT P-802 BASE WAREHOUSE, CAMP BLAZ, GUAM	GUR10003Z	DEDEDO	Construction stormwater	Minor	Mataguac Spring-Frontal Pacific Ocean
FY20 HARDEN MARBO FEEDER P-51 TO MARBO WELLS, ANDY SOUTH, GUAM (PHASE 2)	GUR100071	YIGO	Construction stormwater	Minor	Mataguac Spring-Frontal Pacific Ocean
FY20 MCON P-459 BEQ H	GUR10002G	YIGO	Construction stormwater	Minor	Mataguac Spring-Frontal Pacific Ocean
FY21 MCAF P-3001 / AJJY203001 APSI – STANDOFF WEAPONS COMPLEX	GUR10002Z	YIGO	Construction stormwater	Minor	Mataguac Spring-Frontal Pacific Ocean
FY21 MCON PROJECT P-803 - INDIVIDUAL COMBAT SKILLS TRAINING	GUR100041	FINEGAYAN	Construction stormwater	Minor	Mataguac Spring-Frontal Pacific Ocean
FY21 P-311 CENTRAL FUEL STATION	GUR10003L	MARINE CORPS BASE GUAM	Construction stormwater	Minor	Mataguac Spring-Frontal Pacific Ocean