Ocean Dredged Material Disposal Site Database

DOTS
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 E NWP Portland R10 1986 Federal Maintenance Hopper 41,300 Mouth of Columbia River- Baker Bay Pacific Ocean 07/25/1986 10/15/1986 90 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1986 Federal Maintenance Hopper 1,596,400 Mouth of the Columbia River Pacific Ocean 05/26/1986 09/30/1986 94 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1986 Federal Maintenance Hopper 9,800 Columbia and Lower Willamette Rivers Pacific Ocean 09/21/1986 09/21/1986 95 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1986 Federal Maintenance Hopper 1,200 Skipanon River Pacific Ocean 10/03/1986 10/14/1986 100 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1977 Federal Maintenance Hopper 3,678,429 Mouth of the Columbia River Pacific Ocean 04/21/1977 10/10/1977 313 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1978 Federal Maintenance Hopper 5,200 Mouth of Columbia River- Baker Bay Pacific Ocean 04/06/1978 10/20/1978 406 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1978 Federal Maintenance Hopper 3,925,450 Mouth of the Columbia River Pacific Ocean 04/14/1978 10/03/1978 416 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1979 Federal Maintenance Hopper 16,500 Mouth of Columbia River- Baker Bay Pacific Ocean 03/23/1979 04/11/1979 522 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1981 Federal Maintenance Hopper 3,042,600 Mouth of the Columbia River Pacific Ocean 05/04/1981 10/22/1981 702 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1979 Federal Maintenance Hopper 4,930,840 Mouth of the Columbia River Pacific Ocean 05/12/1979 10/14/1979 742 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1982 Federal Maintenance Hopper 2,699,729 Mouth of the Columbia River Pacific Ocean 05/11/1982 08/28/1982 752 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1980 Federal Maintenance Hopper 2,660,908 Mouth of the Columbia River Pacific Ocean 04/15/1980 08/31/1980 829 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1980 Federal Maintenance Hopper 14,814 Mouth of the Columbia River Pacific Ocean 09/01/1980 09/30/1980 830 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1983 Federal Maintenance Hopper 606,200 Mouth of the Columbia River Pacific Ocean 08/06/1983 09/30/1983 875 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1984 Federal Maintenance Hopper 989,866 Mouth of the Columbia River Pacific Ocean 05/02/1984 10/19/1984 1010 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1985 Federal Maintenance Hopper 3,117,700 Mouth of the Columbia River Pacific Ocean 05/06/1985 10/30/1985 1065 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1989 Federal Maintenance Hopper 568,500 Mouth of the Columbia River Pacific Ocean 06/09/1989 09/22/1989 1242 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1990 Federal Maintenance Hopper 887,400 Mouth of the Columbia River Pacific Ocean 05/03/1990 10/29/1990 1256 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1988 Federal Maintenance Hopper 478,900 Mouth of the Columbia River Pacific Ocean 08/17/1988 10/08/1988 1277 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 2000 Federal Maintenance Hopper 1,296,100 Mouth of the Columbia River Pacific Ocean 06/02/2000 08/13/2000 2359 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 2001 Federal Maintenance Hopper 2,368,200 Mouth of the Columbia River Pacific Ocean 06/01/2001 09/25/2001 2766 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1987 Federal Maintenance Hopper 1,183,000 Mouth of the Columbia River Pacific Ocean 05/06/1987 09/30/1987 2920 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1976 Federal Maintenance Hopper 740,832 Mouth of the Columbia River Pacific Ocean 05/16/1976 10/01/1976 4465 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1996 (N/I) Hopper 726,336 Mouth of the Columbia River Pacific Ocean 2999 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1997 (N/I) Hopper 1,071,246 Mouth of the Columbia River Pacific Ocean 3000 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1991 Federal Maintenance Hopper 1,014,900 Mouth of the Columbia River Pacific Ocean 09/02/1991 10/31/1991 1598 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1997 Federal Maintenance Hopper 899,400 Mouth of the Columbia River Pacific Ocean 07/14/1997 08/27/1997 1669 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1995 Federal Maintenance Hopper 802,300 Mouth of the Columbia River Pacific Ocean 07/16/1995 09/21/1995 1686 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1993 Federal Maintenance Hopper 988,200 Mouth of the Columbia River Pacific Ocean 10/05/1993 10/20/1993 1699 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 2003 Federal Maintenance Hopper 2,855,200 Mouth of the Columbia River Pacific Ocean 06/28/2003 10/15/2003 1712 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1999 Federal Maintenance Hopper 3,724,300 Mouth of the Columbia River Pacific Ocean 06/17/1999 09/26/1999 1877 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1994 Federal Maintenance Hopper 397,600 Mouth of the Columbia River Pacific Ocean 09/01/1994 10/31/1994 1943 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 1998 Federal Maintenance Hopper 3,439,900 Mouth of the Columbia River Pacific Ocean 06/13/1998 10/02/1998 2055 US-205 Closed, Final designated ODMDS
Mouth of Columbia River Material Site E NWP Portland R10 2002 Federal Maintenance Hopper 1,493,800 Mouth of the Columbia River Pacific Ocean 07/13/2002 09/24/2002 2175 US-205 Closed, Final designated ODMDS