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 the Columbia River Deep Water Site (DWS) NWP Portland R10 2012 Federal Maintenance Hopper 608,829 Mouth of the Columbia River Pacific Ocean 07/13/2012 09/28/2012 4 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2008 Federal Maintenance Hopper 647,000 Mouth of the Columbia River Pacific Ocean 07/30/2008 11/08/2008 2722 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2006 Federal Maintenance Hopper 860,800 Mouth of the Columbia River Pacific Ocean 09/05/2006 11/21/2006 2752 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2010 Federal Maintenance Hopper 318,000 Mouth of the Columbia River Pacific Ocean 09/09/2010 10/15/2010 2807 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2011 Federal Maintenance Hopper 1,039,929 Mouth of the Columbia River Pacific Ocean 08/21/2011 10/22/2011 2882 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2013 Federal Maintenance Hopper 1,202,954 Mouth of the Columbia River Pacific Ocean 06/01/2013 11/01/2013 2933 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2014 Federal Maintenance Hopper 1,359,554 Mouth of the Columbia River Pacific Ocean 08/15/2014 10/14/2014 3179 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2015 Federal Maintenance Hopper 1,570,331 Mouth of the Columbia River Pacific Ocean 07/15/2015 10/09/2015 3249 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2016 Federal Maintenance Hopper 1,438,221 Mouth of the Columbia River Entrance Pacific Ocean 07/25/2016 10/22/2016 4242 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2017 Federal Maintenance Hopper 743,322 Mouth of the Columbia River Entrance Pacific Ocean 07/20/2017 09/30/2017 4427 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2018 Federal Maintenance Hopper 821,879 Mouth of the Columbia River Pacific Ocean 08/01/2018 09/30/2018 4561 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2018 Federal Maintenance Hopper 198,674 Mouth of the Columbia River Pacific Ocean 08/01/2018 10/31/2018 4562 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2019 Federal Maintenance Hopper 71,706 Mouth of the Columbia River Pacific Ocean 08/18/2019 10/11/2019 4833 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2019 Federal Maintenance Hopper 355,913 Mouth of the Columbia River Pacific Ocean 09/02/2019 09/30/2019 4834 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2009 Federal Maintenance Hopper 3,579,500 Mouth of the Columbia River Pacific Ocean 04/18/2009 10/09/2009 2378 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2005 Federal Maintenance Hopper 2,600,000 Mouth of the Columbia River Pacific Ocean 06/01/2005 10/17/2005 2285 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2006 Federal Maintenance Hopper 1,395,300 Mouth of the Columbia River Pacific Ocean 07/01/2006 10/14/2006 2516 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2004 Federal Maintenance Hopper 1,677,200 Mouth of the Columbia River Pacific Ocean 06/12/2004 08/21/2004 2566 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2007 Federal Maintenance Hopper 2,040,300 Mouth of the Columbia River Pacific Ocean 2595 US-229 Open, Final designated ODMDS