Cedar River and Tributaries, Black Hawk County, Iowa, and Vicinity

The Cedar River begins near Hayfield in southwestern Minnesota and flows from northwest to southeast across Black Hawk County in north-central Iowa. Major tributaries to the Cedar River in the county include Black Hawk Creek, Elk Run Creek, Beaver Creek, Crane Creek, and Wolf Creek. This reconnaissa...

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Bibliographic Details
Other Authors: ARMY ENGINEER DISTRICT ROCK ISLAND IL
Format: Text
Language:English
Published: 1992
Subjects:
Civil Engineering
*CIVIL ENGINEERING
*FLOODING
*DAMAGE CONTROL
LEVEES
SEDIMENTATION
PLANNING
CHANNELS(WATERWAYS)
*CEDAR RIVER
BLACK HAWK COUNTY(IOWA)
TRIBUTARIES
Cedar River
Dewar
Hawk Creek
Hudson
Beaver Creek
Online Access:http://www.dtic.mil/docs/citations/ADA251253
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA251253
Description
Summary:The Cedar River begins near Hayfield in southwestern Minnesota and flows from northwest to southeast across Black Hawk County in north-central Iowa. Major tributaries to the Cedar River in the county include Black Hawk Creek, Elk Run Creek, Beaver Creek, Crane Creek, and Wolf Creek. This reconnaissance study, initiated in July 1990, identified communities within Black Hawk County that experience flooding problems. Flood damage reduction measures were considered for the communities of Janesville; Finchford; Dewar; Gilbertville; Hudson; Evansdale; North Cedar and Cedar City (city of Cedar Falls); and Dunkerton. Also, sedimentation of the Cedar River and the Cedar Valley Lakes Conservation/Recreation Master Plan are discussed in the report. The report summarizes the hydraulic, hydrologic, economic, environmental, and cultural resources investigations undertaken for the study area. Alternatives considered for flood damage reduction included snagging and clearing; channel modifications; levees and/or floodwalls; and nonstructural alternatives. A flood damage reduction plan is economically justified at Dunkerton, Iowa. The plan involves a channel modification to Crane Creek and a levee to protect Dunkerton from flooding. Revised February 1992.

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