FLOOD00285

• County: Statewide
• Community: State
• Stream Name: All
• Title: Floodplain Designation and Approval
• Date: 12/11/1987
• Prepared For: State of Colorado
• Prepared By: CWCB
• Floodplain - Doc Type: Miscellaneous

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IOO-year flood depth, the assumed depth shall be so
stated on the maps.

b.

GeomorDhic Features Methods. Approxi- mate
flood boundaries may be determined from
geomorphic features on the best availible
map.

Historic Flood Method. Historical flood information'
may be used directly if the peak discharge can be snown'
to approximate a IOO-year flood and is applicable to
the present conditions. Historical flood information
may be available in government reports on maps that
have been prepared for major floods, from high-water.
marks, frQm gaging station data, or from miscellaneous
discharge measurements made in the study area.

100-year
a study of
topographic

c.

D. Published Report and Maps

1.

ReDorts. All approximate floodolain information which is
presented to the Board for designation and approval shall
be entitled, dated, and bound in an individual document.

9

2. Published MaD Scale. The published flooded area map
scale shall be I inch equals 2000 feet or such map scale
showing greater detail.

E. Oualifications. All approximate floodplain information shall
be developed by a qualified hydrologist or hydraulic engineer
under the direct supervision of a professional engineer
registered in the State of Colorado, or by an employee of a
state or federal government agency that has executed a
memorandum of understandinQ or other written aQreement with the
Board based on a written statement which demonstrates to the
satisfaction of the Board their equivalent qualifications to
perform such work in Colorado.

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2 CCR 408.1

THE CODE OF COLORADO REGULATIONS

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