Data Collection Report - Flood Control District of Maricopa County

Durango Area Drainage Master PlanData Collection ReportTable of ContentsList of FiguresList of TablesI. INTRODUCTION ................................. 1A. Purpose .................................... 1B. Scope of Project ............................. 1C. Study Area ................................. 2II. DATA COLLECTION RESULTS .................... 4A. Existing and Planned Drainage Facilities ........ 4B. Areas of Flooding ............................ 4C. Existing Studies ............................. 5D. Planned Developments ........................ 5E. Existing and Planned Major Utilities ............ 5F. Agency Contacts ............................. 5G. Survey and Mapping ......................... 7III. INITIAL HYDROLOGY REPORT ................. 15A. Introduction ............................... 15B. Hydrology Model Update .................... 15C. Modeling Results, Discrepancies, & Concerns ... 15IV. LANDSCAPE AESTHETICS & MULTI-USEOPPORTUNITIES ............................... 18A. Introduction ............................... 18B. Purpose ................................... 18C. Methodology ............................... 18D. Data Collection and Existing Conditions Analysis.......................................... 19E. Visual Resources Assessment ................. 22F. Multi-Use Opportunities Assessment ........... 32V. ENVIRONMENTAL OVERVIEW .................. 35A. Ecological Assessment ....................... 35B. Historical and Pre-Historical Themes Evaluation.......................................... 44C. Archaeological Assessment ................... 48D. Social and Economic Assessment .............. 55E. Hazardous Waste Inventory .................. 61VI. PLAN SET BIBLIOGRAPHY ...................... 67VII. REPORT BIBLIOGRAPHY & REFERENCES ....... 69Figure I-1. Study Location ................................ 1Figure I-2. Jurisdictional Boundaries ....................... 3Figure II-1. Existing FEMA Floodplains .................... 8Figure II-2. Planned Developments (1 of 2) .................. 9Figure II-3. Planned Developments (2 of 2) ................. 10Figure II-4. Existing and Planned Utilities (1 of 2) ........... 11Figure II-5. Existing and Planned Utilities (2 of 2) ........... 12Figure II-6. Existing Drainage Facilities .................... 13Figure II-7. Irrigation Map .............................. 14Figure III-1. Existing Land Use ........................... 17Figure IV-1. Regional Context Map ....................... 20Figure IV-2. Existing Landscape Character ................ 28Figure IV-3. Scenic Quality .............................. 29Figure IV-4. Visual Resource Inventory .................... 31Figure IV-5. Future Desired Landscape Character ........... 33Figure IV-6. Multiple Use Opportunities ................... 34Figure V-1. Vegetation Communities ...................... 36Figure V-2. Prehistoric Archaeological Sites ................ 46Figure V-3. Historical Features ........................... 49Figure V-4. Block Group Numbers / Significant Block Groups . 58Figure V-5. Hazardous Materials Sites (1 of 2) .............. 65Figure V-6. Hazardous Materials Sites (2 of 2) .............. 66Table V-1. Project Area Population And Land Area ......... 56Table V-2. Median Household Income And Ethnic Diversity .. 56Table V-3. Block Groups Significant For Low Median HouseholdIncome .......................................... 57Table V-4. Block Groups With Significant* Percentage of EthnicMinorities ....................................... 59Table V-5. Significant Block Groups, Significant Proportion ofMinors And Elderly* .............................. 60Table V-6. Summary Results Of Hazardous Materials DatabaseSearch .......................................... 64List of AppendicesDeveloper Contact InformationHydrology Exhibits 1 and 2Storm Comparison TableResponse Letters from Arizona Game & Fish Dept. and U.S. Fish &Wildlife ServiceWildlife Observed in the Durango Drainage Area