FLOOD04244

• County: Ouray
• Stream Name: Uncompahgre River
• Basin: Gunnison
• Title: Hydrology Addendum to FIS Ouray County Unincorporated Areas
• Date: 7/3/1985
• Prepared For: Ouray County
• Prepared By: Montgomery Watson
• Floodplain - Doc Type: Floodplain Report/Masterplan

.
.
I:
,.
.
.
!.
I.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
I.
!.
.
.
.
.
.
.
.
.

INTRODUCTION

Purpose and Scope
This Hydrology Addendum (HA) was prepared to assure that the July 3, 1985 PIS for Ouray
County, Colorado meets the basic technical requirements for designation and approval by the
CWCB, Colorado statutes require that local governments obtain from the CWCB the designation
and approval of floodplain infonnation for its use in regulatory purposes, This HA provides a
means for the PIS to meet that statutory objective,

This HA includes:

1, Authorization for the addendum and its purpose and scope;

2, Study area description including infonnation on the community, the watershed, any known
flooding history and flooding problems, previous studies and projects, and community
response to the CWCB designation and approval process;

3, Description of hydrologic and hydraulic infonnation; and

4. Floodplain management infonnation,

Authorization
The CWCB has certain statutory responsibilities relating to the designation and approval of
floodwater runoff channels or basins as follows:

'" "to devise and fonnulate 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 stonn or floodwater runoff channels or basins, and to make such
designations available to legislative bodies of cities and incorporated Counties, to County
planning commissions, and to boards of adjustment of cities, incorporated Counties, and
counties of this state"", Section 37-60-106(l)(c) of the Colorado Revised Statues (CRS),

CWCB designation and approval is needed for the Ouray County, Colorado, July 3, 1985 PIS,
The CWCB has prepared this HA as a means of designating Ouray County's PIS so that the
community can better implement its floodplain management program.

1