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L575 Levee Restoration Information - UPDATED 6/8/19

Background: The L-575 Benton-Washington-McKissock-Buchanan-Atchison-Hamburg Levee System experienced significant damage during the 2019 Flood Event. This led to seven (7) breaches, along with substantial other damages, occurring throughout the Levee System.
Current Action: Two priority breaches that are impacting the I-29 corridor have been identified for initial repairs. These two construction contracts were awarded on 14 and 19 Apr 2019. The OSRT is also working an overall plan for rehabilitating the levee system. 
Next Steps:
  1. Provide an interim level of flood risk reduction at both initial breach repair locations.
  2. Conduct physical damage assessment when water levels recede and the levees are accessible
  3. Design and construct levee rehabilitation to authorized level of flood risk management.

NOAA River Level Observations & Forecasts

L575 Levee Imagery

Breach closure on levee L575 June, 20, 2019
The U.S. Army Corps of Engineers, Omaha District completes an initial breach closure on levee L575 near Percival, IA June 20, 2019.
Breach closure on levee L575A June, 20, 2019
The U.S. Army Corps of Engineers, Omaha District completes an initial breach closure on levee L575 near Percival, IA June 20, 2019.
Breach closure on levee L575A June, 20, 2019
The U.S. Army Corps of Engineers, Omaha District completes an initial breach closure on levee L575 near Percival, IA June 20, 2019.
Breach closure on levee L575A June, 20, 2019
The U.S. Army Corps of Engineers, Omaha District completes an initial breach closure on levee L575 near Percival, IA June 20, 2019.
USACE contractors working at L575 near Nebraska City, NE
USACE contractors at work along levee L575a near Nebraska City, Nebraska May 10, 2019 following March 2019 runoff event.
USACE contractors working at L575 near Nebraska City, NE
USACE contractors at work along levee L575a near Nebraska City, Nebraska May 10, 2019 following March 2019 runoff event.
USACE contractors working at L575 near Nebraska City, NE
USACE contractors at work along levee L575a near Nebraska City, Nebraska May 10, 2019 following March 2019 runoff event.
Aerial view of overtopping levee L575 near Nebraska City, NE
Photo documents aerial view of overtopping levee L575 near Nebraska City, Nebraska Mar. 16, 2019, resulting from a major runoff event. (Photo by USACE, Omaha District)
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
Levee L550 as of June 11, 2019
Aerial view of levee L550 as of June, 11, 2019.
Levee L550 as of June 11, 2019
Aerial view of levee L550 as of June, 11, 2019.
Initial breach closure on levee L611-614
The U.S. Army Corps of Engineers, Omaha District completes the initial breach closure on levee L611-614 near Sioux City, Iowa June 12, 2019. The L611-614 Levee System lies directly east of the confluence of the Platte River (River Mile 595).
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
USACE progress on levee L575a repairs June 13, 2019
Aerial drone footage shows USACE, Omaha District work continuing on levee L575a June 13, 2019.
Post levee L575a breach closure progress June 22, 2019
This image from June 22, 2019 shows progress of the water drainage after Levee L575a was closed on June 20.
Post levee L575a breach closure progress June 22, 2019
This image from June 22, 2019 shows progress of the water drainage after Levee L575a was closed on June 20.
Post levee L575a breach closure progress June 22, 2019
This image from June 22, 2019 shows progress of the water drainage after Levee L575a was closed on June 20.
Post levee L575a breach closure progress June 22, 2019
This image from June 22, 2019 shows progress of the water drainage after Levee L575a was closed on June 20.
Post levee L575a breach closure progress June 22, 2019
This image from June 22, 2019 shows progress of the water drainage after Levee L575a was closed on June 20.
Post levee L575a breach closure progress June 22, 2019
This image from June 22, 2019 shows progress of the water drainage after Levee L575a was closed on June 20.
Post levee L575a breach closure progress June 22, 2019
This image from June 22, 2019 shows progress of the water drainage after Levee L575a was closed on June 20.
Post levee L575a breach closure progress June 22, 2019
This image from June 22, 2019 shows progress of the water drainage after Levee L575a was closed on June 20.
Post levee L575a breach closure progress June 22, 2019
This image from June 22, 2019 shows progress of the water drainage after Levee L575a was closed on June 20.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee 575a progress as of June 24, 2019
Aerial view showing Levee 575a progress as of June 24, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 20, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 20, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 20, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 20, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 20, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 20, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee L575a breach June 28, 2019
Aerial view of breach L575a northwest of Percival, Iowa June 28, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Levee 575a breach repair work July 9, 2019
Aerial view of repair working being done at levee breach L575a_1 July 9, 2019.
Groin construction on L-575 Sep. 23, 2019
Multiple groins are placed on L-575 to divert the river flow from the levee to allow for continued repairs on Sep. 23, 2019.
L-575 outlet breach "D" closure on Dec. 19, 2019
L-575 outlet breach "D" closure on Dec. 19, 2019 located on the downstream end of the levee system in northwest Missouri
L-575 outlet breach "D" closure on Dec. 19, 2019
L-575 outlet breach "D" closure on Dec. 19, 2019 located on the downstream end of the levee system in northwest Missouri
L-575 outlet breach "E" closure on Dec. 19, 2019
L-575 outlet breach "E" closure on Dec. 19, 2019 located on the downstream end of the levee system in northwest Missouri

Restoration Activities

 
Initial Breach Repair # 1 – West of Thurman, IA
Initial Breach Repair # 2 – West of Hamburg, IA
Contractor
Western Contracting Corp. from Sioux City, IA
Newt Maritime Services from Dubuque, IA
Contract Amount
$7.5 Million
$12 Million
Contract Award
April 14, 2019
April 19, 2019
Construction Start
May 4, 2019
May 4, 2019
Estimated
Completion
 
  

Video Gallery

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Video by Staff Sgt. Seth LaCount
Alaska National Guard flies 14,000 pounds of meat to Toksook Bay via IRT program
Alaska National Guard
Nov. 25, 2024 | 2:22
Two years after the remnants of Typhoon Merbok flooded communities across thousands of miles of western Alaska in September 2022, the community of Toksook Bay made a big step toward replenishing what they lost from the storm – thousands of pounds of meat.

On Friday Nov. 15, 2024, the Alaska National Guard began the process of delivering nearly 14,000 pounds of frozen beef, chicken and pork to Toksook Bay as part of the Department of Defense Innovative Readiness Training Program.

The Alaska Air National Guard transported the frozen meat from Joint Base Elmendorf-Richardson to Bethel via an HC-130J Combat King II, the same aircraft that routinely conducts civil search and rescue missions across the state.

Once in Bethel, the meat was generously offloaded by Northern Air Cargo and safely stored in their airport freezer facility while awaiting airlift to Toksook Bay via two Alaska Army National Guard UH-60L Black Hawks.

The AKARNG aircrews assigned to the 207th Aviation Troop Command delivered 234 of the 280 50-pound boxes during multiple flights on Nov. 18 before poor weather postponed the final flight. Bethel area Guardsmen from Bison Company, 1st Battalion, 297th Infantry Regiment, assisted the effort by loading each helicopter for the roughly 75-minute flight to Toksook Bay. The remaining boxes will be delivered as soon as the weather clears, and the helicopters can safely continue the mission.

(Alaska National Guard video by Seth LaCount and Dana Rosso)
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