Ocean Dredged Material Disposal Site Database

ODMDS	District code	USACE District	USEPA Region	CYear	Project type	Work type	Disposal Method	CY3	Dredged	Sea area	Start date	End date	DredgeEventID	LC Site No.	Disposal site status
Mouth of Columbia River Material Site F	NWP	Portland	R10	1989	Federal	Maintenance	Hopper	2,300,000	Mouth of the Columbia River- Tongue Point	Pacific Ocean			1247	US-046	Closed, Final designated ODMDS
Mouth of Columbia River Material Site F	NWP	Portland	R10	2000	Federal	Maintenance	Hopper	457,400	Mouth of the Columbia River	Pacific Ocean	08/21/2000	10/22/2000	2360	US-046	Closed, Final designated ODMDS
Mouth of Columbia River Material Site F	NWP	Portland	R10	2001	Federal	Maintenance	Hopper	928,000	Mouth of the Columbia River	Pacific Ocean	06/01/2001	09/25/2001	2765	US-046	Closed, Final designated ODMDS
Mouth of Columbia River Material Site F	NWP	Portland	R10	1976	Federal	Maintenance	(N/I)	53,250	Mouth of the Columbia River	Pacific Ocean	05/16/1976	10/01/1976	4466	US-046	Closed, Final designated ODMDS
Mouth of Columbia River Material Site F	NWP	Portland	R10	1999	Federal	Maintenance	Hopper	261,700	Mouth of the Columbia River	Pacific Ocean	10/20/1999	10/25/1999	1878	US-046	Closed, Final designated ODMDS
Mouth of Columbia River Material Site F	NWP	Portland	R10	1994	Federal	Maintenance	Hopper	1,500,400	Mouth of the Columbia River	Pacific Ocean	06/20/1994	09/01/1994	1944	US-046	Closed, Final designated ODMDS
Mouth of Columbia River Material Site F	NWP	Portland	R10	1998	Federal	Maintenance	Hopper	889,800	Mouth of the Columbia River	Pacific Ocean	06/13/1998	10/02/1998	2056	US-046	Closed, Final designated ODMDS
Mouth of Columbia River Material Site F	NWP	Portland	R10	2002	Federal	Maintenance	Hopper	2,268,700	Mouth of the Columbia River	Pacific Ocean	09/09/2002	09/22/2002	2176	US-046	Closed, Final designated ODMDS