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This study was developed to identify the resources and applicable methodology for the delineation of primary flood corridors.

Contributors
Simons, Li & Associates, Pima County (Ariz.). Department of Transportation and Flood Control District, Pima County Regional Flood Control District (Ariz.)
Created Date
1999-06

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.

Contributors
CMG Drainage Engineering, Pima County (Ariz.). Department of Transportation and Flood Control District, Pima County Regional Flood Control District (Ariz.)
Created Date
1999-11-30

Originally, the purpose of the study was to obtain either a Letter of Map Revision or a Physical Map Revision from the Federal Emergency Management Agency. Unfortunately, during the initial stages of the investigation, it became apparent that FEMA's guidelines for these types of map revisions could not be accommodated, primarily due to flow-distribution conflicts.

Contributors
Simons, Li & Associates, Pima County Regional Flood Control District (Ariz.)
Created Date
1996-09-06

This report describes the hydrologic and hydraulic analysis. Development in the lower end of the watershed has occurred without knowledge of the floodplain's characteristics.

Contributors
Collins-Pina Consulting Engineers, Pima County (Ariz.). Department of Transportation and Flood Control District, Pima County Regional Flood Control District (Ariz.)
Created Date
1992-08

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.

Contributors
McGovern, MacVittie, Lodge & Dean, Inc., Pima County (Ariz.). Department of Transportation and Flood Control District, Pima County Regional Flood Control District (Ariz.), et al.
Created Date
1989/1991

This report is the first phase of a study to provide a basin management plan for the Tucson Mountain Drainage Basin. Phase II will identify and evaluate alternative specific solutions to flood plain management measures with Phase III accomplishing conceptual designs for the selected alternatives.

Contributors
Camp, Dresser & McKee, Pima County (Ariz.). Department of Transportation and Flood Control District, Pima County Regional Flood Control District (Ariz.)
Created Date
1986-03-15

This plan has been prepared in recognition of area flooding problems induced by urbanization within this unusually flat portion of the Tucson basin.

Contributors
Nelson, James H., Pearthree, Marie Slezak, Cella Barr Associates, et al.
Created Date
1983-08-15

Covers an area in southeastern Pima County that drains the Arivaca Creek watershed. The purpose of the report is to estimate peak discharge for the 50 year storm frequency event, utilizing the rational method (Q=CiA). This method pre-dates that outlined in the Hydrology Manual for Engineering Design and Floodplain Management within Pima County, Sept. 1979, and is considered less accurate. It is recommended that this report be archived and discontinued for use for regulatory purposes.

Contributors
Blanton & Co., Pima County Regional Flood Control District (Ariz.)
Created Date
2009-01-21

Conservation of the Tortolita Alluvial Fan landscape has been promoted by Pima County and Town of Marana over the past two decades. An interdepartmental team was formed to evaluate flood and debris flow hazards and the potential to create an expanded Tortolita Fan Preserve. This report provides an overview of the alluvial fan characteristics and evaluates information on the significance of the biological and cultural resources to determine of the area meets the criteria to create a federal preserve.

Contributors
Pima County (Ariz.). County Administrator's Office
Created Date
2008-09-04

A companion to the "Importance of Conserving Resources in the CIenega Creek Watershed" document and provides a focus on Altar Valley. This report includes detailed investigations into the historic conditions of the watershed, current rangeland conditions of biotic communities, and the environmental impact of a potential floodplain project.

Contributors
Pima County (Ariz.). County Administrator's Office
Created Date
2000-08

The State And Local Arizona Documents (SALAD) collection contains documents published by the State of Arizona, its Counties, incorporated Cities or Towns, or affiliated Councils of Government; documents produced under the auspices of a state or local agency, board, commission or department, including reports made to these units; and Salt River Project, a licensed municipality. ASU is a primary collector of state publications and makes a concerted effort to acquire and catalog most materials published by state and local governmental agencies.

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