FLOOD00742

• Designation Number: 356.03
• County: Prowers
• Community: Granada
• Stream Name: Arkansas River, Wolf Creek
• Title: Floodplain Information Report - Granada
• Date: 7/1/1994
• Designation Date: 7/1/1994
• Floodplain - Doc Type: Floodplain Report/Masterplan

showing the completion date, the sponsor acceptance date, and Project inspection dates,

In January 1981, the Corps prepared the Operation and Maintenance ,Manual (O&M
Manual) for the Granada Flood Control Project. Th,~ O&M Manual provides infom1ation about
the Project, briefly describes major Project facilities, and presents basic instructions for proper
operation and maintenance of the Project and facilities,

The Federal Emergency Management Agency (FEMA) acknowledged the Project's
protection in a letter dated June 14, 1984 to the Town of Granada. FEMA stated in the letter that
they had determined that the community (Town of Granada) met FEMA's criteria for conversion
into the Regular Flood Insuranc:e Program as minimally flood prone on the basis that the Town's
Special Flood Hazard Area was small in size, with minimal flooding problems, and was unlikely
to be developed in the foreseeable future. The Flood Insurance Rate Map (FIRM) cited in this
letter was produced from the previously issued Flood Hazard Boundary Map, The effective date
of this action and the final FIRM was September 24, 1984,

Plans for rehabilitation of a portion of the Project were prepared in May 1985 and the
rehabilitation accomplished thereafter. This rehabilitation was on the right bank 0 f the floodway
and the right levee directly across the floodway (east) from the point of entry of Wolf Creek into
the floodway channel.

FLOOD CONTROL PROJECT

Proiect Description

Following the flood of June 1965, the Town of Granada requested that the Corps
investigate and reconunend a course of action to alleviate flood problems at Granada, Subsequent
Corps investigations and studies resulted in the construction of the Granada Flood Control Project
(Project) which was completed November 30, 1980, The Project's general features are shown
in Appendix II on Figure I (Plate No.1, titled General Plan, dated May 1980 fi~om the Corps'
January 1981, O&M Manual.

The Project consists of the following features:

* A floodway channel for Wolf Creek. Wolf Creek enters the Arkansas River floodplain
southwest of the Project area and the Town. Wolf Creek then flows east aJong the south
side of the AT&SF Railroad embankment for about 1/2 mile before entering the Project
area. Wolf Creek enters the floodway channel from the west (perpendicular to the
floodway channel which flows north) just upstream of the AT &SF Railroad bridge. The
floodway channel begins about 970 feet south of the point where Wolf C~eek enters the
floodway channel and extends north under the U.S. Highway 50 bridge and the AT&SF
Railroad bridge, The floodway then continues northeast about I mile to a point about
1600 feet east of the V,S, Highway 385 bridge north of the Town, Th,: floodway
channel transitions to an outfall channel at this point. Side slopes on the channel are
3 horizontal to I vertical;

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