This document, titled "Draft Final Report", presents the first draft of the recommended Tucson Stormwater Management Study (TSMS), Phase II, Stormwater Master Plan for the City of Tucson. This report presents the five major components of the Stormwater Master Plan: (1) Preservation of Naturally Vegetated Watercourses, (2) Flood Hazard Studies, (3) Stormwater Quality Investigations, (4) Stormwater Capital Improvement Projects, and (5) Miscellaneous Capital Projects. A watershed-specific accounting of the Stormwater Master Plan will be presented in the Final Report. The Final Report will also present the recommendations for new and revised policies and ordinances which will be necessary to successfully implement the Stormwater Master Plan.
This document must be utilized in context with other key documents prepared during
development of the TSMS, Phase II, Stormwater Master Plan, such as:
PLANNING CRITERIA DOCUMENT. Completed in October, 1992, this 33-page
document provides the basic planning criteria for the TSMS, Phase II, Stormwater Master
Plan. Included within this document are the following: (1) purpose of stormwater
management; (2) technical planning objectives and standards; (3) Level-Of-Service
concept; (4) selecting stormwater management alternatives; (5) concept design for
stormwater management; and (6) prioritization of stormwater management program needs.
ASSESSMENT OF THE EXISTING FIVE-YEAR STORMWATER CAPITAL IMPROVEMENT PROGRAM (CIP) AND A RECOMMENDED INTERIM FIVE- YEAR STORMWATER CAPITAL IMPROVEMENT PROGRAM. Completed in November, 1992, this 49-page document, with appendices, assessed the existing 5-year Stormwater CIP utilizing TSMS guidelines established as part of the "PLANNING CRITERIA DOCUMENT". Each individual project was prioritized and phasing of projects suggested as part of a recommended interim 5-year Stormwater CIP.
STUDY-AREA CHARACTERISTICS DOCUMENT. Completed in April, 1993, this 96-page document provides a description of the Study Area and its physical, cultural, and natural resource characteristics. The document contains summary information on: (1) Study Area boundaries; (2) climate and physiography of the Study Area; (3) the existing stormwater management system; (4) existing stormwater quality information; (5) existing riparian habitat and wildlife conditions; (6) existing cultural resources information; and (7) institutional entities and their stormwater management roles.
STORMWATER QUALITY PLANNING CRITERIA DOCUMENT. Completed in June, 1993, this 40-page document provides the specific planning criteria for evaluating stormwater quality needs within the City of Tucson, and is an extension of the "PLANNING CRITERIA DOCUMENT".
STORMWATER QUALITY BEST MANAGEMENT PRACTICES PRELIMINARY ASSESSMENT. Completed in July, 1993, this 7-page document, with 98 pages of appendices, provides preliminary Best Management Practices, as determined by a Peer Review Committee, suitable for general use as part of the Stormwater Master Plan.
DATA COLLECTION SUMMARY REPORT. Completed in October, 1993, this 36- page document, plus extensive appendices, provides a guide to the information that was collected, inventoried, catalogued, and processed for use in development of the Stormwater Master Plan. Data have been compiled to be suitable for both stormwater quality and quantity. The document also includes a comprehensive list of data to be used in the computerized data management system for stormwater planning.
NATURAL RIPARIAN HABITAT INVENTORY. Completed in August, 1994, this 23-page document, plus appendices, presents an inventory of natural riparian habitats along watercourses within the City of Tucson. The report includes discussions of the design and development of the classification system, the basis for determining relative wildlife value, inventory methodology, classification category descriptions, and an inventory of riparian habitat.
INVENTORY AND PREDICTIVE MODELING OF CULTURAL RESOURCES WITHIN THE CITY OF TUCSON. Completed in September, 1993, this 19-page document, plus appendices, presents a complete inventory of all cultural resources that are known to exist within the City of Tucson. An archaeological predictive ranking system was also designed to help assess potential impacts to cultural resources as a part of the stormwater master planning process.
WATERSHED-SPECIFIC CRITERIA DOCUMENT. Completed in December, 1993, this 118-page document, plus 160 pages of appendices, was intended to: (1) begin the screening process required for alternatives development; (2) provide a bridge between the general planning criteria presented in the "PLANNING CRITERIA DOCUMENT" and the "WATER QUALITY PLANNING CRITERIA DOCUMENT"; (3) link the TSMS, Phase I, results with the alternatives analysis to be conducted under TSMS, Phase II; (4) establish unit costs for stormwater measures; and (5) provide a comprehensive summary of the wide array of stormwater management measures available for addressing stormwater quality and quantity issues in the community.
EXISTING-CONDITIONS HYDROLOGIC MODELING. Completed in December, 1993, this 33-page document, plus appendix, presents results of the hydrologic analysis for existing (i.e., "baseline") stormwater quantity conditions. Presented in sequence within this document are (1) hydrologic model compilation methodology; (2) hydrologic model calibration; and (3) summaries of the hydrologic analysis prepared for each watershed in the Study Area.
WATERSHED-SPECIFIC ALTERNATIVES FORMULATION DOCUMENT. Completed in May, 1994, this 6-page document, plus 390 pages of appendices, presents stormwater alternatives for both quantity and quality for each of the 59 TSMS watersheds. The alternatives presented within this report were subsequently analyzed in further detail, the results of which form the basis for the WATERSHED-SPECIFIC ALTERNATIVES ANALYSIS AND EVALUATION REPORT.
WATERSHED-SPECIFIC ALTERNATIVES ANALYSIS AND EVALUATION REPORT. Completed in October, 1994, this 904-page document presents both the technical analysis and the evaluation of the potential stormwater management alternatives formulated for the 59 TSMS watersheds. The technical analyses were utilized by an Evaluation Panel to numerically rank the stormwater management alternatives for each watershed. The highest ranked alternatives presented in the report form the basis for the development of the Stormwater Master Plan.
STORMWATER QUALITY BEST MANAGEMENT PRACTICES (BMPs), NEW DEVELOPMENT CONTROL RECOMMENDATIONS. Completed in February, 1995, this 23-page document presents recommendations regarding ten structural and five nonstructural BMPs to control, prevent, remove, or reduce pollution of stormwater runoff.
STORMWATER QUALITY, WATERSHED MANAGEMENT MODEL (WMM), MODELING REPORT. Completed in March, 1995, this 52-page document presents the results of the stormwater quality modeling in the Tucson study area. The WMM modeling provides estimates of the relative average-annual loadings of thirteen contaminants, based on both existing and future land uses.
WATERSHED STORMWATER QUALITY PRIORITIZATION, TECHNICAL MEMORANDUM, TASK 10.4 (DRAFT). Completed in March, 1995, this 19-page document presents the results of the watershed stormwater quality prioritization to identify which watersheds represent the greatest concern for potential contaminants within stormwater runoff. The technical memorandum presents a prioritized list of watersheds which can be studied in further detail as a part of stormwater quality investigations.
PRESERVATION TOOLS AND STRATEGY REPORT (in preparation).
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