FLOOD00155

• County: Boulder
• Community: Boulder County
• Stream Name: Upper Boulder Creek, Fourmile Creek
• Title: Floodplain Information Report
• Date: 12/1/1981
• Prepared For: Boulder County
• Prepared By: UDFCD
• Contract/PO #: &&
• Floodplain - Doc Type: Floodplain Report/Masterplan

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PREFACE

This Floodplain Information Report presents the results of a study on
the Boulder Creek and Fourmile Creek floodplains in the vicinity of
Boulder, Colorado. It was prepared from hydrologic and hydraulic in-
formation provided by the U.S. Army Corps of Engineers, Omaha District.
The report document was prepared by Gi ngery Assoc i ates, Inc., Engl ewood,
Colorado, at the request of Boulder County in cooperation with the
Colorado Water Conservation Board.

INTRODUCTION

Authorization

This report was authorized by the Colorado Water Conservation Board in
joint sponsorship with Boulder County.

"

The Board's power and duty is:

Copes of this report are available for public distri.bution, for a
nominal fee, at the below listed offices.

to devi se and formul ate methods, means and plans for
bringing about the greater util ization of the waters
of the state and the prevention of flood damages
therefrom and to designate and approve storm or
floodwater runoff channels or basins, and to make
designations available to legislative bodies of cities
and incorporated towns; to county planning
commissions; and to boards of adjustment of cities;
incorporated towns; and counties of this state". . .

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

Boulder County
Department of Public Works
P.O. Box 471
2046 13th Street
Boulder, Colorado 80306
Telephone: [phone]

1973.

The cities, incorporated towns, and counties within the study area
may provide zoning regulations.

"

Colorado Water Conservation Board
823 State Centennial Building
1313 Sherman Street
Denver, Colorado 80203
Telephone: [phone]

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 channel 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
floodwaters". . .

as stated in Section 30-28-11 for county governments and. Section
31-23-201 for municipal governments of the Colorado Revised Statutes 1973.
Therefore, upon official approval of this report by the Colorado
Water Conservation Board, the areas described as being inundated by the
100-year flood (see Glossary - Intermediate Regional Flood) can be
designated as flood hazard areas and their use regulated accordingly by
the local agencies.

Technical back up data is available for review from the offices listed
above. The technical back up includes all pertinent data and calculations
used in the floodplain analyses.

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