WOLF CREEK DAM

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WOLF CREEK DAM
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What is Wolf Creek Dam?

• Largest reservoir East of the Mississippi River
• 9th largest reservoir in the United States (Lake
  Cumberland)
• 5,736 ft long, 258 ft high
• Filled with water in December 1950
• Hydropower and recreation, no barge traffic

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Where is Wolf Creek Dam located?

• Russell County, KY
• NW of Burkesville, KY
• 315 River miles from Montgomery County
• (River Mile 145)

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THE PROBLEM
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1967-1968
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1960s 1970s

• Emergency grouting
• 223 deep wall was constructed
• 300 monitors were installed

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1980s - present

• Monitoring equipment
• seepage has increased
• stability of the foundation is threatened
• 2002 and 2003 borings
• soft zones at the top of the bedrock
• within the embankment

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What is the Corps of Engineers doing about it?

• Installing a 298 ft deep cutoff wall the entire
  length of the Dam projected completion date of
• 2014

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What is the Corps of Engineers doing about it?

• Supplying affected communities with data maps
• 3 layer warning system
• Red (bad)
• Blue (worse)
• Green (worst)

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What is the Corps of Engineers doing about it?

• Working to repair the dam
• Emergency grouting
• Cutoff wall
• Lowering reservoir levels to 680 elevation
• Winter pool 690
• Summer pool 723
• Required for repairs

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What are we doing about this possible threat to
our community?

• Updating and reviewing current plans and
  enhancing various components to address the
  threat of this potential disaster
• Conducted a Hazard Analysis for community
  vulnerability from this threat
• Informing the public of the threat to the
  community and providing information
• Working with City, County, State, and Federal
  governments to lessen the impact and prepare for
  such a threat

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The Hazard Analysis for Wolf CreekClarksville/Mon
tgomery County

• Water here on 2nd day
• Rise 1-3 inches an hour per COE data
• Riverside Drive/Hwy 48 (388) on the 5th day
• 388 or above for approximately 9 days
• Peak on the 9th day at an elevation of 412 ft.
• according to Corps of Engineers data adjusted
  for worst case scenario ( 15 ft)

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The Hazard Analysis for Wolf CreekClarksville/Mon
tgomery County

• 37,540 citizens
• 2,406 residences
• 3,715 total affected properties
• Total loss estimate 235,034,347 (building and
  contents damage with 30 flood depth)

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• The railroad bridge over the Cumberland River has
  a low steel elevation of 407 feet
• McClure Bridge (Hwy 48) has a low steel elevation
  of 431 feet

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Whats been done so far?

• Conducted the Hazard Analysis utilizing the APSU
  GIS Center for an up to date look at the
  potential impact
• APSU GIS has produced imagery and maps that
  actually show the worst case scenario as well as
  other levels of the threat
• Public notification to include all media venues
  and public warning systems available, TENS
  (reverse call capability) loaded with pre-set
  messages
• Continuously meeting with City and County
  Departments to enhance capabilities to prepare
  for this event

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Whats been done so far?

• Have conducted briefings to both the Clarksville
  City Council and the Montgomery County Commission
  on Wolf Creek
• Continuing public presentations on Wolf Creek
• Continuing to monitor information from the Corps
  of Engineers on Wolf Creek progress and provide
  updates

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The Flip Side
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Low Water

• Water is currently at 680
• Wolf Creek Power production is dead at 673 or
  below
• Corps has alerted communities that the water MAY
  be drawn down to 650

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Low Water

• At 650 power production at coal fired plants
  near the Dam would be affected
• Rolling blackouts
• Most community water intakes behind the Dam are
  at 673
• Water shortages
• Communities have been asked to extend their
  intakes to 650 elevation

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Low Water

• Estimated 150,000,000 lost this year in Lake
  Cumberland communities
• Boating
• Fishing
• Recreation
• Tourism
• Sales Tax

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Low Water

• Losses are in KY but impact could be felt here
• Water quality issues
• Strain on power grid
• Barge traffic

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What should individuals do?

• Prepare
• Plan
• Get informed, stay informed

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PREPARE

• Flashlight and extra batteries
• Portable radio and extra batteries
• Emergency food and water (one gallon per person
  per day)
• ready to eat canned meats
• canned juices, milk, soup (if powdered, store
  extra water)
• high energy foods (peanut butter, jelly,
  crackers, granola bars, peanuts
• special diet foods

• First aid kit including any essential medications
• assorted bandages and gauze pads
• scissors, tweezers, assorted safety pins
• moistened towelettes
• antiseptic soap
• thermometer
• tube of lubricant (Vaseline, etc.)
• latex gloves
• sunscreen
• pain reliever and other medications

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PREPARE

• extra clothing
• one change of clothing per person
• one change of footwear per person
• Non-electric can opener
• Copies of important documents
• Sturdy shoes and work gloves
• Fire extinguisher
• Pliers, wrench
• Matches in waterproof container

• Sanitation supplies
• toilet paper
• garbage bags
• plastic bucket with tight lid
• disinfectant
• chlorine bleach
• non-rinse soap and shampoo
• Electrical tape
• Duct tape
• Weather radio

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PREPARE

• Dont forget your pets
• Extra food
• Water
• Medications
• Shelter

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PREPARE

• Make sure that you are in the TENS system
• Unpublished numbers, cell phones and Internet
  phone service must be manually loaded at
• http//gisweb.apsu.edu/hls_r911/signup_063.htm
• Or call the Montgomery County Emergency
  Management Agency 648-5702

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PLAN

• know which radio station to tune in to for
  emergency information
• have a plan for getting back together if
  separated
• after a disaster it is often easier to call long
  distance so ask an out-of state relative to be a
  point of contact for you
• be sure every member of the family knows the
  name, address, and phone number of the contact

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PLAN

• Where will you stay at if your home is affected?
• Family/Friend
• Will their home be affected?
• Will you be able to get there?
• Take your disaster kit with you!
• Disaster shelter
• Do you have transportation? Buses will be
  available if needed

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GET INFORMED, STAY INFORMED

• Will your property be affected?
• Will your neighborhood, streets, etc. be
  affected?
• Will your workplace be affected?
• What level is the lake at?
• How is work progressing at the Dam?

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http//gisweb.apsu.edu/wolfcreek/viewer.htmhtt
p//gisweb.apsu.edu/wolfcreek.phpwww.montgomeryc
ountytn.netwww.cityofclarksville.comwww.lrn.us
ace.army.mil/pao/issues/WOLcommowww.ready.govh
ttp//gisweb.apsu.edu/hls_r911/signup_063.htm