FLOOD01680

• Designation Number: 126
• County: Boulder
• Community: Unincorporated Boulder County
• Stream Name: St. Vrain Canyon upstream of Lyons
• Title: Floodplain Information Report - South St. Vrain Canyon upstream of Lyons, Boulder County, CO
• Date: 2/1/1978
• Designation Date: 1/1/1979
• Floodplain - Doc Type: Floodplain Report/Masterplan

I

1

I

INTRODUCTION

I

Preface

Authorization

I

This Floodplain Information Report presents the results of a study on

the South and Middle St. Vrain Creek floodplain from Lyons to Peaceful

Valley, Colorado. It was prepared by Camp Dresser & McKee Inc., Con-

sulting Engineers of Denver, Colorado, at the request of Boulder

County in cooperation with the Colorado Water Conservation Board.

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

I

The Board's power and duty is...

I

I

Copies of this report are available for public distribution, for a

nominal fee, at the below listed offices. A Technical Addendum to this

report is also available for review at the same offices; however, it

has not been published in sufficient quantities for public distribution.

The Technical Addendum includes all pertinent data and calculations

used in the floodplain analysis.

"...to devise and formulate methods, means and plans for bringing

about the greater utilization 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 such

designations available to legislative bodies of cities and incorp-

orated towns, to county planning commissions, and to boards of ad-

justment of cities, incorporated towns, and counties of this

state...'1

I

I

I

Colorado Water Conservation Board
823 State Centennial Building
1313 Sherman Street
Denver, Colorado 80203

as stated in Section 37-60-106 (1) (c) of the Colorado Revised Statutes
1973.

I

County Engineer
Public Works Department
Boulder County
P. O. Box 471
Boulder, Colorado 80306

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

I

I

"...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..."

I

I

I

I

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

31-23-201 for municipal governments of the Colorado Revised Statutes

1973.

I

I