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 608829 Columbia River at the Mouth FNP Pacific Ocean 7/13/2012 9/28/2012 4 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2005 Federal Maintenance Hopper 2600000 Columbia River at the Mouth FNP Pacific Ocean 6/1/2005 10/17/2005 2285 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2009 Federal Maintenance Hopper 3579500 Columbia River at the Mouth FNP Pacific Ocean 4/18/2009 10/9/2009 2378 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2006 Federal Maintenance Hopper 1395300 Columbia River at the Mouth FNP Pacific Ocean 7/1/2006 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 1677200 Columbia River at the Mouth FNP Pacific Ocean 6/12/2004 8/21/2004 2566 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2007 Federal Maintenance Hopper 2040300 Columbia River at the Mouth FNP Pacific Ocean N/I N/I 2595 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2008 Federal Maintenance Hopper 647000 Columbia River at the Mouth FNP Pacific Ocean 7/30/2008 11/8/2008 2722 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2006 Federal Maintenance Hopper 860800 Columbia River at the Mouth FNP Pacific Ocean 9/5/2006 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 318000 Columbia River at the Mouth FNP Pacific Ocean 9/9/2010 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 1039929 Columbia River at the Mouth FNP Pacific Ocean 8/21/2011 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 1202954 Columbia River at the Mouth FNP Pacific Ocean 6/1/2013 11/1/2013 2933 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2014 Federal Maintenance Hopper 1359554 Columbia River at the Mouth FNP Pacific Ocean 8/15/2014 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 1570331 Columbia River at the Mouth FNP Pacific Ocean 7/15/2015 10/9/2015 3249 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2016 Federal Maintenance Hopper 1438221 Columbia River at the Mouth FNP Pacific Ocean 7/25/2016 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 743322 Columbia River at the Mouth FNP Pacific Ocean 7/20/2017 9/30/2017 4427 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2018 Federal Maintenance Hopper 821879 Columbia River at the Mouth FNP Pacific Ocean 8/1/2018 9/30/2018 4561 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2018 Federal Maintenance Hopper 198674 Columbia River at the Mouth FNP Pacific Ocean 8/1/2018 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 71706 Columbia River at the Mouth FNP Pacific Ocean 8/18/2019 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 355913 Columbia River at the Mouth FNP Pacific Ocean 9/2/2019 9/30/2019 4834 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2020 Federal Maintenance Hopper 103332 Columbia River at the Mouth FNP Pacific Ocean 8/6/2020 9/3/2020 5838 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2020 Federal Maintenance Hopper 254752 Columbia River at the Mouth FNP Pacific Ocean 8/21/2020 10/7/2020 5839 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2021 Federal Maintenance Hopper 161372 Columbia River at the Mouth FNP Pacific Ocean 9/23/2021 11/3/2021 6360 US-229 Open, Final designated ODMDS
Mouth of the Columbia River Deep Water Site (DWS) NWP Portland R10 2021 Federal Maintenance Hopper 46172 Columbia River at the Mouth FNP Pacific Ocean 9/1/2021 10/9/2021 6361 US-229 Open, Final designated ODMDS