FLOOD08422

• Designation Number: 27
• County: El Paso
• Community: Colorado Springs
• Stream Name: Sand Creek
• Basin: Arkansas
• Title: Flood Hazard Analysis - Sand Creek, Colorado Springs, El Paso County
• Date: 7/1/1973
• Designation Date: 10/1/1973
• Floodplain - Doc Type: Floodplain Report/Masterplan

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flood hazard area. Thi~ problem Can be corrected by enlarging the openin~$

Sediment deposition and debris are other factors Which influence the
channel hydraulic characteristics and subsequently affect the flood line

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under Galley Road. ~ew developnents, presently planned or under construction,

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aTe within the flood hazard area. For example, the low-lying land bordering

location. DuringthccourseofthisS!udy, it wlIsobscrved that several
road crossings, especially those with small culverts, had been partially
clogged with debris and sediment. A source of debris which could bocome

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the Center Tributary (Photo No. 2S)iSlonedforindustrialuse.

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The meager accounts of historical flooding reveal that ~ost da~ag~s

dislodged and carried do~~stream, is the dump on the east side of the Sand

on Sand Creek are related to roads and bridges. Rond crossings ~ith inndcquate

Creek channel located between U.S. Highway 24 and Galley Road (Photo ~o. 20).

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culvert and/or bridge openings often cause channel constrictions and obstruction

Recomm~l1da..Uor~

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to flood flows. Elevated roads in the flood plain act as barriers ~'hich

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raise the water surfaee elevations at sortclocations. Ctherroadcrossings

Existing flood zone resolutions and subdivision regulations are in accord

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arc lower than the flood plain and act as channels diverting water fro~ its

with generally recogni.ed flood plain management principles. The following

normal course. ~lany of the crossings are over-topped with runoff from stOlT.lS

recommendations are included for consideration in reducing potential flood

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occurring more frequently than the IO-yearevcnt.

damage on Sand Creek and its maj~r tributaries:

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Following are exar.tple~ of ~~ad crossings ~'hicJl have it pronounced effect

1. Application for appl"oval of fZood 20M l'egulationll be made to the
Colorodo Water Consel"Vation Board.

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Photo No. Road Crossings
" Galley Road
OS Terminal Street, U.S. f!ighwar "
31 Fountain Boulevard
3~ ""' " Academy Boulevard
" and 2S Hancock Expres~way
" ~larksl1effel Road
3l GallcyRoad
3l Peterson Road

2. A mMtu dva'naJG pZz' :'01.' tr:" ",,-tire SC'I':d C":'eek W,:'tel"ehed c.~
developed.
3. A study be !r.ade >,egW'ding >'Gad c>,ossin.g pl"obZem. Several e:dsti,..g
C"'OUJings =e i1".adeqllat;? in ""I....,ti,m to potential floodin.g. Futu:re
road crossing deeign and location should be compatibZe ~ith the
mallWI' drail".age plan..
4. A periodic inspection of channeZs shou~ be conducted to assure
that flocd channels are not being encroached upon and that design
capacities are blling mai.?1tainlld.

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on the location of the flo~d h..~..nl art'as:

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5. A fZood ehmmel maintenance program be established to remove
debpis and repaip damaged channels.

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