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 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