FLOOD01790

• County: Adams
• Community: Adams County
• Stream Name: Second Creek, Third Creek
• Title: Flood Hazard Area Delineation - Second and Third Creek
• Date: 2/1/1976
• Prepared For: Adams County
• Prepared By: UDFCD
• Floodplain - Doc Type: Floodplain Report/Masterplan

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- PREFACE -

Upon acceptance of this report by the Urban Drainage & Flood

Control District and the designation and approval of this report

by the Colorado Water Conservation Board, the areas described

Authorization

as being inundated by the 100-year flood (Intermediate Regional
Flood) can be designated as flood hazard areas and their use

This report was authorized by the Urban Drainage & Flood Control
District in joint sponsorship with the Colorado Water Conservation

regulated acco~dingly.

Board. The District has the power to enact District-wide flood

plain regulations. At present, the District makes flood plain
information and mapping available for local agencies to adopt and
administer their own flood plain regulations with the assistance
of the District.

It should be noted that the terms "Intermediate Regional Flood,"

"lOO-Year Flood," and "one percent flood" can be used inter-

changeably as they are all defined by the same type of flood

event.

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 desig-
nations available to legislative bodies of cities
and incorporated towns; to county planning com-
~issions; and to boards of adjustment of cities;
lncorporated towns; and counties of this state.

Purpose and Scope

"

This report was prepared for the guidance of local officials in

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

includes information on historical floods and the nature and

". . . 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 Conservation Board, in order to lessen
or avoid the hazards to persons and damage to property
resulting from the accumulation of storm or flood-
waters . . . II

extent of probable future floods which can be reasonably expected
on the respective study reaches. The 100-year flood should be
given appropriate consideration before planning for development
in the flood plain.

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

Statutes 1973. The cities, incorporated towns and counties

within the study area may provide zoning regulations . .

The 100-year flood plain is shown on the Flood Hazard Area

Delineation Maps which delineate the areas that would be

inundated by such an event. Flood profiles show the water

as stated in Section 30-28-111 for the county governments and

depths relative to the stream bed. Elevation reference data

is given that can be applied across the full width of the

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

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Revised Statutes 1973.

stream valley. Valley cross sections are presented to indicate