FLOOD00268

• County: Jefferson
• County: Denver
• Community: Lakewood, Denver
• Stream Name: Dry Gulch
• Title: Flood Hazard Area Delineation - Dry Gulch and Tributaries
• Date: 11/1/1977
• Prepared For: Denver / Lakewood
• Prepared By: UDFCD
• Floodplain - Doc Type: Floodplain Report/Masterplan

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2

I INTRODUCTION

available to legislative bodies of cities and incor-
porated towns; to county planning commissions; and to
boards of adjustment of cities; incorporated towns; and
counties of this state..."

This report has been prepared for the Urban Drainage and Flood

as stated in Section 37-60-106 (1) (c) of the Colorado Revised

Control District (UDFCD), The City of Lakewood, and the City

and County of Denver. It delineates the potential hazard

Statutes 197. The cities, incorporated towns and counties

associated with a 100-year flood on the channels of Dry Gulch,

within the study area may provide zoning regulations

The flood plains are deemed accurate within the limitations

"...to establish, regulate, restrict, and limit such uses
on or along any storm or floodwater runoff channel or
basin, as such storm or floodwater runoff or basin has
been designated and approved by the Colorado Water Con-
servation Board, in order to lessen or avoid the hazards
to persons and damage to property resulting from the
accumulation of storm or floodwaters..."

North Dry Gulch, and Colfax Gulch in the municipalities.

of hydrologic methodology, water surface profile computations,

and the scales of the mapping utilized. The report assumes

that the drainage basin is fully developed and that the channel

as stated in Section 30-28-11 for the county governments and

configuration is that which is in existence in 1977. The

Section 31-23-201 for municipal governments of the Colorado

Revised Statutes 1973.

capacity of all culverts, storm sewers, and bridges have been

evaluated, and it was assumed that all facilities would remain

Upon acceptance of this report by the Urban Drainage and Flood

free of debris during flooding.

Control District and the designation and approval of this report

Authorization

by the Colorado Water Conservation Board, the areas described

This report was authorized by the Urban Drainage and Flood

as being inundated by the 100-year flood (Intermediate Regional

Control District in joint sponsorship with the Colorado Water

Flood) can be designated as flood hazard areas and their use

Conservation Board. These agencies make flood plain informa-

regulated accordingly.

The terms "Intermediate Regional Flood,"

tion and mapping available to enable local governments to

"lOO-year flood," and "one percent probability flood" can be

used interchangeably, since they all define the same flood

adopt and administer flood plain regulations.

even t .

The Colorado Water Conservation Board has the power and duty

"...to designate and approve storm or floodway runoff
channels or basins, and to make such designations

Purpose and Scope
This report was prepared for the guidance of local officials

in planning the use and regulation of the flood plain. The