Corps red castle, Walla Walla District, with words Supplemental Environmental Analysis For Purposes of 2003-2004 Dredging (Lower Snake and Clearwater Rivers, Washington and Idaho) (SEA-03/04), along with pictures of beneficial use of dredged material and barges


Update to the Proposed 2003-2004 Dredging Activity SEA-03/04
Comments Received/With Responses
Water Quality
Certification Information

The U.S. Army Corps of Engineers (Corps), Walla Walla District, prepared a Supplemental Environmental Analysis for Purposes of 2003-2004 Dredging (SEA-03/04). The SEA-03/04 included a Biological Assessment and other required documentation and analysis related to dredging proposed for Winter 2003-2004. The areas proposed for dredging in 2003-2004 were primarily the same as the areas proposed for dredging in 2002-2003.

The SEA-03/04 public comment period ended 28 August 2003. Comments received by the Corps during this comment period can be viewed here. The report is available to the public, and can be accessed by following the links below. All files are in Adobe Portable Document Format, and many are large files. If you do not have Adobe Acrobat Reader installed, you may download a copy, free of charge, at www.adobe.com.

The dredging proposed for the winter of 2003-2004 was delayed pending completion of additional project documentation and resolution of outstanding legal issues. The same dredging project is now being considered for the winter of 2004-2005. Click here for more information about the proposed 2004-2005 dredging.

Main Report:
SEA-03/04
Plates
Attachments:
Attachment A:
Biological Assessment for Anadromous Fish Species
Attachment B:
Sampling and Quality Assurance Plan, Physical and Chemical Characterization of the Sediments in Areas of the Lower Snake River Proposed for Dredging in 2003/2004
Attachment C:
Monitoring Plan
Attachment D:
Comments and Responses on the FINAL Dredged Material Management Plan, July 2002
Attachment E:
Physical and Chemical Characterization of the Sediments in Areas of the Lower Snake River Proposed for Dredging in 2003/2004
Attachment F:
Clean Water Act Section 404(b)(1) Evaluation, Proposed In-Water Discharges for Winter 2003-2004
Attachment G:
Hydrology
Attachment H:
Overview of the 2002 DMMP/EIS Cost-Benefit Analysis
Attachment I:
Navigation System Information, Technical Management Team Minutes, and Navigation Industry Letters

If you would like to order a copy of the SEA-03/04 in hard copy or on CD, please click the order button below. Only a limited number of hard copies are available.


Return to the Dredged Material Management Plan