This Technical Data Notebook has been prepared in support of a Letter of Map Revision submittal to amend the 100-year floodplain, or Special Flood Hazard Area associated with Finger Rock Wash in Pima County, Arizona. The purpose of this LOMR application is to revise the effective Flood Insurance Rate Map SFHA boundaries based on updated and more detailed information. No new hydraulic structures are present within the study limits.
The purpose of this study is to develop a physical, process-based hydrologic model for the Finger Rock Wash watershed. A HEC-1 model was developed to estimate the 100-year discharge rate.
The purpose of the Phase I study is to evaluate existing drainage conditions and to identify alternative flood control/floodplain management strategies which warrant further consideration.
Offsite drainage impacts the project site from several watersheds whose headwaters lie to the northeast of the project site. This report will address the manner in which the existing offsite and the post-development onsite drainage will be conveyed across this project.
The purpose of this study is to define the scope of the problem and to recommend alternative approaches which would reduce the flood damage potential associated with future private driveway access across the watercourses and to provide more hydrologic and hydraulic information.
The purpose of the study is to identify existing flooding problems for fifteen homes adjacent and west of Holladay Street which have experienced flooding in the past three years. A 1991 follow-up report is included that corrects an error in the earlier report's estimation of the split flow quantities at the intersection.
This report presents the results of an engineering analysis performed to assess the existing potential for flooding and erosion along Green Valley drainageway #9 and presents conceptual plans for recommended improvements. This study extends from La Canada Drive at the downstream end to the La Canoa Land Grant Boundary at the upstream end.
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