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 Shallow Water Site (SWS) NWP Portland R10 2012 Federal Maintenance Hopper 1722918 Columbia River at the Mouth FNP Pacific Ocean 7/10/2012 9/28/2012 7 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2005 Federal Maintenance Hopper 2620000 Columbia River at the Mouth FNP Pacific Ocean 6/1/2005 10/17/2005 2284 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2009 Federal Maintenance Hopper 1200300 Columbia River at the Mouth FNP Pacific Ocean 6/30/2009 9/18/2009 2377 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2006 Federal Maintenance Hopper 1832900 Columbia River at the Mouth FNP Pacific Ocean 7/1/2006 10/14/2006 2515 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2004 Federal Maintenance Hopper 3036100 Columbia River at the Mouth FNP Pacific Ocean 6/12/2004 8/21/2004 2565 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2007 Federal Maintenance Hopper 2108600 Columbia River at the Mouth FNP Pacific Ocean N/I N/I 2594 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2008 Federal Maintenance Hopper 2354700 Columbia River at the Mouth FNP Pacific Ocean 7/30/2008 11/8/2008 2721 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2010 Federal Maintenance Hopper 2290900 Columbia River at the Mouth FNP Pacific Ocean 6/21/2010 10/15/2010 2806 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2011 Federal Maintenance Hopper 1485062 Columbia River at the Mouth FNP Pacific Ocean 8/20/2011 10/22/2011 2883 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2013 Federal Maintenance Hopper 1833535 Columbia River at the Mouth FNP Pacific Ocean 6/1/2013 11/1/2013 2934 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2014 Federal Maintenance Hopper 1536475 Columbia River at the Mouth FNP Pacific Ocean 8/15/2014 10/14/2014 3178 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2015 Federal Maintenance Hopper 1161206 Columbia River at the Mouth FNP Pacific Ocean 7/15/2015 10/9/2015 3250 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2016 Federal Maintenance Hopper 1669688 Columbia River at the Mouth FNP Pacific Ocean 7/25/2016 10/22/2016 4243 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2017 Federal Maintenance Hopper 1283906 Columbia River at the Mouth FNP Pacific Ocean 7/20/2017 9/30/2017 4428 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2018 Federal Maintenance Hopper 1091218 Columbia River at the Mouth FNP Pacific Ocean 8/1/2018 10/31/2018 4563 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2019 Federal Maintenance Hopper 1653801 Columbia River at the Mouth FNP Pacific Ocean 8/18/2019 10/11/2019 4835 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2020 Federal Maintenance Hopper 1121956 Columbia River at the Mouth FNP Pacific Ocean 8/5/2020 9/10/2020 5840 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2020 Federal Maintenance Hopper 538366 Columbia River at the Mouth FNP Pacific Ocean 9/1/2020 10/7/2020 5841 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2021 Federal Maintenance Hopper 909205 Columbia River at the Mouth FNP Pacific Ocean 9/23/2021 11/3/2021 6362 US-228 Open, Final designated ODMDS
Mouth of the Columbia River Shallow Water Site (SWS) NWP Portland R10 2021 Federal Maintenance Hopper 389101 Columbia River at the Mouth FNP Pacific Ocean 8/22/2021 9/30/2021 6363 US-228 Open, Final designated ODMDS