INTERNATIONAL BOUNDARY AND WATER COMMISSION … · international boundary and water commission...
Transcript of INTERNATIONAL BOUNDARY AND WATER COMMISSION … · international boundary and water commission...
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INTERNATIONAL BOUNDARY AND WATER COMMISSIONUNITED STATES AND MEXICO
UNITED STATES SECTION
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From: Arrey To: Little Box Canyon
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Number of Staff: 28
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Diversion Dams
International DamAmerican Dam
At the American Dam, we control the flows going to Mexico and divert US flows into the American Canal.
At the International Dam, it is where we actually divert the flows into Mexico.
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Before 4/27/2015 (facing upstream)
After 5/27/2015 (facing upstream)
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Downstream (current conditions) Upstream (current conditions)
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DownstreamUpstream
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DownstreamUpstream
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Project Area
Current Conditions: 2016
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View downstream along Rio Grande at confluence with Guayuco Arroyo to the left
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The project area is from the end of the Chamizal concrete channel to the Riverside Dam.
Project Area Outlined in Red
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• Sediment Removal on the Rectification Project from station 94+211 (Ft Hancock) to the end of the Rectification Project (Little Box Canyon).
Project Area Outlined in Red
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• Maintain efficient water deliveries to:• U.S. Irrigation Districts• Municipalities• Mexico
• Increase in Channel Carrying Capacity• Increase water delivery efficiency• Alleviate backwater conditions that create drainage problems• Increase river bank stability• Improve Operations at Diversion Dams
• Increase in carrying capacity of irrigation canals
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SUMMARY
SEDIMENT REMOVAL VOLUMES 2016/17
SITE NAME Volume (CY)Rio Grande Rectification Project
International Dam (Estimated) 19,500
Guayuco Arroyo (Estimated) 20,000
Navarrete Arroyo (Estimated) 40,000
Rio Grande Canalization Project
Tipton Arroyo (Estimated) 2,000
Trujillo Arroyo (Estimated) 9,000
Montoya Arroyo (Estimated) 4,750
Holguin Arroyo (Estimated) 4,000
Tierra Blanca/Green Arroyos (Estimated) 5,500
Montoya Drain (Estimated) 58,250
American Dam (Estimated) 30,000
TOTAL 193,000
Rectification Sediment
Removal Project Volumes
Site Name Estimated CY’s
Rectification Project (5-Yr)
1,904,743
Total 1,904,743
Total Sediment Removal Volumes
2,097,743
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Rio Grande Canalization Project
Sediment Trap Design
Thurman I & II Arroyos
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Project Area:Rio GrandeCanalizationProject(RGCP)
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Project Location
Map displaying extents of Thurman Arroyos & sediment removal alternatives
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Design Project Details• Construct Pilot Sediment Traps at mouth of Thurman I & II
Arroyos with prior long excavation• Purpose is to Capture and Remove Arroyo Sediment prior to
reaching the Rio Grande• Design project was awarded in September, 2016• Project Kickoff Meeting scheduled for Oct 20, 2016• Design to be completed in 2017 and construction to begin in
2017/2018
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