U.S. Army Corps of Engineers Tulsa District - rrva.org

1 US army Corps of Engineers BUILDING STRONG army Corps of Engineers Tulsa District US army Corps of Engineers BUILDING STRONG Red River Valley Association COL Richard Pratt District Commander November 19, 2014 US army Corps of Engineers BUILDING STRONG Legend - Drought Level I - Drought Level II - Drought Level III - Drought Level IV All Lakes are at Drought Level I and above 75% full unless noted otherwise. Tulsa District Reservoir Drought Update 13 November 2014 Canton 20% Cons Pool (water supply for OKC only) Waurika 31% Cons Pool (water supply) Texoma 64% Cons Pool (water supply/hydro) Skiatook - 56% Cons Pool (water supply/water quality) Heyburn - 65% Cons Pool (water supply) BUILDING STRONG Upper Red River Current Lake Levels of the Upper Red River include.

2 Lake Texoma 64% Waurika Lake 31% Altus 9% Lake Kemp 26% Fort Cobb 67% Foss 39% Tom Steed 20% Arbuckle 70% Total System Conservation Storage Utilized = BUILDING STRONG Tulsa District Drought Issue We are in a period of drought Manage effects using Lake Drought Management Plans Adhere to contractual agreements as dictated by law Texoma (Level 2) If elevation 607 is reached, notify SWPA to revise generation from rapid response, short term peaking purposes to critical power needs Canton (Level 3) - Prepare for degrading water quality Waurika (Level 3) Provide access to remaining water supply Skiatook (Level 2) Reevaluate water quality releases Heyburn (Level 2) Initiate District Drought Management Committee Opportunity Encourage conservation Communicate with the public Take advantage of maintenance opportunities Minimize Impacts Protect fish habitats BUILDING STRONG Waurika Lake Current Situation Water supply for 250,000 (Fort Sill, Lawton, Duncan, Waurika, and others) Conservation pool at elevation (down 18 feet)

3 31 % conservation pool Concerns Marina and courtesy docks on dry ground Impacts to local economy Sedimentation limiting access to remaining water supply storage Ability to provide water supply - Less than 2 yrs of storage remaining - Only 1 year of storage accessible Way Ahead Section 408 permit submittal to dredge channel and install new intake pipe under review Water Intake Tower at Waurika Lake BUILDING STRONG Lowest effective water intake level EL BUILDING STRONG Lake Texoma Current Situation 54% of conservation storage for hydropower Water supply for North Texas Municipal Water District , Greater Texoma Utility Authority, Denison, Red River Authority of Texas and others At elevation, , 5 feet below normal (64% of conservation pool)

4 Concerns Courtesy docks and boat ramps on dry ground Legislated conservation at elevations 612 and 607 Reduced ability to provide hydropower generation Reduced ability to provide water supply Way Ahead Work with SWPA to minimize hydropower impacts to remaining pool Continue to review local dredging requests December meeting with Texas Water Development Board to discuss drought contingency plans BUILDING STRONG Lake Texoma - Pool Elevation Projections 2014 - 2015 Level 4 Level 3 Level 2 Level 1 Record minimum pool elevation in 1957 Pool dropped below 607 10 times between 1952-1967 Assumptions.

5 Historical low inflow period Nov-Apr 1939-40, 2011 evaporation, current level water use Median Inflow Dash Lines Historical Low Inflow Solid Lines BUILDING STRONG Pine Creek Dam Safety Objectives Modify dam to address dam safety and operational issues Improve emergency action planning (USACE and local) Return the dam to authorized operations ( ) Allows USACE to look at the best uses of the project for the future Contract Actions Bridge joint repair contract awarded September 30, 2014 Dam safety modification construction contract awarded November 17, 2014 Public Outreach Work with local officials on emergency planning Update local emergency contacts Public meeting in Valliant in July 2015 Emergency table top exercise in Sep 2015 BUILDING STRONG Salient Gradient Solar Ponds Current Situation Truscott Reservoir has had approximately 200 tons of salt per day pumped to it since 1986 Potential to pump approximately 500 tons of salt per day exists if Areas VII and X are constructed Truscott Dam would require upgrades to increase the in-flow to the reservoir Opportunities USACE and Red River Authority of Texas are partnering to explore opportunities for the brine waters at Truscott Salient

6 Gradient solar ponds is a proven technology for electricity production USACE understands there is active interest by potential investors; RRA is pursuing those opportunities Way Ahead Continue to support salient gradient solar ponds initiative at the Truscott Brine Lake. Process the Section 408 permit when submitted. Execute lease with Red River Association. BUILDING STRONG Questions? BUILDING STRONG Backup Slides BUILDING STRONG Tulsa District Over 700 people Arkansas River and Red River Basins in Oklahoma, Southern Kansas and Northern Texas Major Missions of the Corps of Engineers War Fighting Navigation Flood Control (Flood Risk Management) Military Construction Regulatory/Environmental Homeland Security BUILDING STRONG Red River Basin Watershed Map 15 projects managed for flood risk - 7 Corps of Engineers Projects - 8 Projects owned by others 1 Chloride Control Project BUILDING STRONG Awarded FY2014 Non-Routine O&M Maintenance Projects Broken Bow Lake Replace Unwatering System in Hydropower Plant - $1021k Repair Penstock Expansion Joint and Paint Penstock $882k Denison Dam, Lake Texoma Replace Battery Chargers, Inverters.

7 And Air Compressors $142k Replace Two Flood Gates and Rehab Frames and Liners $3511k Purchase Wire Rope $33k BUILDING STRONG Awarded FY2014 Non-Routine O&M Maintenance Projects Hugo Lake Install Ground Source Heat Pump HVAC System at Project Office $245k Sardis Lake Install Ground Source Heat Pump HVAC System at Project Office $245k Waurika Lake Replace Restroom at Kiowa Park II with ADA Compliant CXT Restroom $42k BUILDING STRONG FY2015 President s Budget Operations & Maintenance 17 ProjectFY 15 BudgetBroken Bow Lake, OK$3,275,000 Denison Dam, Lake Texoma, TX and OK$11,224,000 Hugo Lake, OK$1,828,000 Pine Creek Lake, OK$1,884,000 Sardis Lake, OK$1,039,000 W aurika Lake, Ok$1,173,000 Truscott$1,827,000 Estelline Springs, TX$40,000 Lake Kemp, TX$260,000 Pat Mayse Lake, TX$1,393,000 Insp Completed Works, TX$28,000 Scheduled Res Ops, TX$200,000 BUILDING STRONG FY2015 Non-Routine O&M Maintenance Projects Broken Bow Lake Investigate Conditions to Seal Diversion Tunnel Analyze and Construct New Gate Closure System (FY14 carryover funded) Denison Dam, Lake Texoma Replace One Flood Gate and Rehab Two Emergency Gates Update GIS Map Data for Project Master Plan (FY14 carryover funded) Hugo Lake Construct Bulkhead Dry Dock (FY14 carryover funded)

8 BUILDING STRONG FY2015 Non-Routine O&M Maintenance Projects Pat Mayse Lake Seal Leaks in Discharge Conduit Revise Project Master Plan Pine Creek Lake Repair Spillway Bridge Deck Joints Conduct Cultural Resources Survey Waurika Lake Review Section 408 Permit Application (FY14 carryover funded) BUILDING STRONG Red River Chloride Control Kaiser Canyon & Elm Fork Salton Canyon & Elm Fork BUILDING STRONG Previously Studied Alternative BUILDING STRONG Area VI, Elm Fork of the Red River, OK Reevaluation Effort Current Situation Area VI Reevaluation Feasibility Study Draft Report has been published on the US army Corps of Engineers , Tulsa District website The Area VI effort is planned to be completed using the 3x3x3 model (3 years, $3M, 3 levels of USACE)

9 Elicited in civil works transformation Recent guidance requires a non-federal cost share partner Concerns Identification of a non-federal cost share partner Funding once a partner is identified Way Ahead Identify a non-federal cost share partner Host a charette and partnering session with the non-federal cost share partner to establish schedule and budget milestones needed in order to maintain the 3x3x3 model and complete the Reevaluation effort PICTURE BUILDING STRONG Solar Pond BUILDING STRONG Solar Pond cont. BUILDING STRONG Water Resources Reform and Development Act 2014 Tulsa District Sec 2011 COE Lock and Dam Energy Development Amends Sec 117 of WRDA 86 on Mayo L&D for Cherokee Nation hydropower Sec 4004 Arkansas River MKARNS Advisory Committee Sec 4012 Red River Basin Reassign unused irrigation storage Sec 6005 (c) Land Conveyances Tulsa Port of Catoosa BUILDING STRONG For more information contact: Louie Holstead, Waurika Lake Manager, 580-963-2111 Mark Ellison, Red River Area Operations Manager, 903-465-4990 Dawn Rice, Project Manager (Pine Creek Dam Safety; Salient Gradient Solar Ponds), 918-669-7249