Denver, Colorado's Flood Control District Reflection on the Floods of 2013 - Dave Bennetts, Shea...
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URBAN DRAINAGE AND FLOOD CONTROL DISTRICT David Bennetts, P.E., CFM
Manager - Design, Construction, and Maintenance Program Shea Thomas, P.E.
Senior Project Engineer, Master Planning Program
YOU PLAN FOR IT…THEN IT HAPPENS
A Flood Control District’s Reflection
on the 2013 Colorado Floods
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1864 Flood
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1965 Flood
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$2.95 Billion in Damages 8 deaths
1965 Flood
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7-Day Rainfall Depths
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Design Rainfall Totals 1-Day, 100-Year: 4.78” 500-Year: 6.25” 1000-Year: 6.92” 7-day, 100-Year: 6.36” 500-Year: 8.00” 1000-Year: 8.74”
Rainfall Totals (Sept 9-16) Boulder = 18.13” Aurora = 15.68”
Average
Annual
Precipitation:
14.30”
2013 Storm
Source: Colorado Water Conservation Board
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Kelly Road Dam
Westerly Creek Dam
Utah Park
Expo Park
Jewell Wetlands
Stapleton
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1977 Master Plan
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1996 Master Plan
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2010 Master Plan
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Westerly Creek Watershed
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Jewell Avenue Wetlands
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Utah Park Detention
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Utah Park Detention
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Utah Park Detention
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Utah Park
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Utah Park
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Expo Park Detention
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Expo Park Detention
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Expo Park Detention
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Expo Park
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Expo Park
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Westerly Creek Dam
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Westerly Creek Dam
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Westerly Creek Dam
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Westerly Creek Dam
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Westerly Creek Dam
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Kelly Road Dam
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Kelly Road Dam
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Kelly Road Dam
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Kelly Road Dam
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Kelly Road Dam
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Kelly Road Dam
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Existing vs. Future Floodplain
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Montview Boulevard
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Montview Boulevard
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Montview Boulevard
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Stapleton Int’l Airport 1993
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Stapleton Redevelopment 2012
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Stapleton Redevelopment 2012
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Stapleton Redevelopment
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EXAMPLE TWO: FOURMILE CANYON CREEK
Major Drainage Planning Study in 2000 resulted in alternatives but no final plan.
Major Drainage Planning Study in 2008 included adjacent Wonderland Creek. Study completed in 2011.
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Fourmile Canyon Creek
Fourmile Canyon Creek
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Fourmile Canyon Creek
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Fourmile Canyon Creek
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Fourmile Canyon Creek
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Fourmile Canyon Creek
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1. South Platte (1965) - $3b
2. 2013 Flood – $1-3b (TBD)
3. Pueblo (1921) – $1.1b
4. South Platte (1973) -
$570m
1. Big Thompson (1974) –
144
2. Pueblo (1921) – 78
3. Bear Creek (1896) – 27
4. Fort Collins (1995) – 21
… 2013 Flood - 10
DAMAGES DEATHS
Fourmile Canyon Creek
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URBAN DRAINAGE AND FLOOD CONTROL DISTRICT
David Bennetts – [email protected] Shea Thomas – [email protected]
THANK YOU!
www.udfcd.org