FLOOD10336 ‎(2)‎

• County: Adams
• Community: Brighton, Commerce City and Thornton
• Stream Name: South Platte River
• Title: Flood Hazard Area Delineation, South Platte River, Adams County
• Date: 4/1/2005
• Prepared For: UDFCD; Adams County; Brighton, Commerce City, Thornton, Metro Wastewater
• Prepared By: CDM
• Floodplain - Doc Type: Floodplain Report/Masterplan

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4/8/05

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Tables

Figures

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Tributary Inflows to the Planning Area
South Platte River Selected CUHP Input Parameters
Tollgate Creek Selected CUHP Input Parameters
Sand Creek Selected CUHP Input Parameters

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4-2
4-4
4-4

the 1929 NGVD and 1988

100/500-Year Flows

Comparison of Benchmark Elevations for

NA VD Datum...............................................

Benchmark Information for Resurveyed Bridges

Bridge Open Area Comparison.

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South Platte River at 64th Avenue Range of Average Daily Flows, Period

of Record 1984-1998
South Platte River at Henderson Road Range of Average Daily Flows,
Period of Record 1984-1998.

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4-3

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3-2

3-2

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South Platte River at 64th A venue and Henderson Road Mean Annual

Average Daily Flows ........ ............................................................... ...............

South Platte River at 64th Avenue and Henderson Road 10-Year Moving
Mean of Annual Average Daily Flows..........................................................
South Platte River 100- Year Design Storm and Hydrograph at Franklin

Street........................................... ..............

South Platte River Simulated 100-Year
Locations

Selected

Hydrographs at

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Design Discharges
Cross-Section 28 (2,900 ft downstream of First Creek)

South Platte River 100-Year
South Platte River

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4-1

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