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Master Plan of Drainage

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The Town of Yucca Valley Master Plan of Drainage is a comprehensive drainage and flood control plan outlining the development of flood control facilities. It’s aims are threefold: 

  • Improve the Town’s physical environment  
  • Assure public safety  
  • Protect properties from flooding 

The plan reviews and evaluates natural drainage courses, floodplains and existing drainage facilities. Additionally, the Master Plan of Drainage details: 

  • Hydrologic and sediment yield studies  
  • Sizing of regional, secondary and local facilities 
  • Improvement recommendations 
  • Preparation of plan and profile drawings 
  • Cost estimates 

You can read the entire report below. (All links lead to PDF files.)

Table of Contents

Executive Summary

Chapter I: Introduction

Chapter II: Hydrologic Studies

  • Development of Hydrologic Parameters
  • Rational Method Hydrology Studies
  • Unit Hydrograph Studies

Chapter III: Hydraulic Design Criteria and Facility Sizing

  • Debris Yield
  • Hydraulic Design Criteria
  • Hydraulic Sizing of Conveyance Systems
  • Hydraulic Sizing of Detention Basins
  • Preparation of Plan and Profile Drawings

Chapter IV: Preparation of Cost Estimates

  • Basis of Cost Estimates
  • Criteria
  • Development of Unit Cost
  • Results of Cost Estimate Study

Chapter V: Description of Recommended Flood Control Master Plan Facilities

  • Description of Primary Drainage Course Improvements
  • Description of Detention/Debris Basins

Chapter VI: Phasing For Implementation of Improvements

Chapter VII: Tables

  1. Peak Discharges for Non-Detained Alternative
  2. Peak Discharges for Detained Alternative
  3. Debris Yield Calculations
  4. Summary of Hydraulic Sizing Calculations, Regional, Secondary and Local Facilities, Non-Detained Alternative
  5. Summary of Hydraulic Sizing Calculations, Regional, Secondary and Local Facilities, Detained Alternative
  6. Summary of Cost Estimates for the Non-Detailed and Detained Alternatives
  7. Cost Estimate for Non-Detained Alternative
  8. Cost Estimate for Detained Alternative
  9. Detention Basin Costs
  10. Recommended Priority for Implementation of Master Improvements

Chapter VIII: Figures

  1. Proposed Drainage Facilities, Index Map
  2. Existing and Proposed Drainage Facilities, Base Map
  3. Existing Drainage Facilities and Utilities Map
  4. Street Flow Map
    Plans and Profiles (full set containing items 5 - 42 below)
  5. Pinon Creek: P01
  6. Camino Del Cielo: P01-01 & P01-02
  7. Water Canyon Channel: Y12
    Water Canyon Channel Tributary: Y12-01
  8. Kickapoo Drain: K01 & K01-02
    La Honda Drain: K01-01
    Inca Trail Wash: K01-03
  9. Yucca Wash: Y01
  10. Yucca Wash: Y01
    Crestview Wash: Y01-02
  11. Yucca Wash: Y01
    Santa Fe Trail: Y01-03
  12. Long Canyon Wash: Y07
  13. Long Canyon Channel: Y07
  14. Sage Avenue Drain: Y07-01
    Long Canyon Wash Tributary: Y08
  15. Hospital Channel: Y09 & Y09-03
  16. High School Channel: Y09-01
    Cholla Avenue Drain: Y09-02
  17. Acoma Channel: Y10
    Deer Trail Channel: Y11
  18. Buena Vista Wash: Y10 & Y10-01
    Deer Trail Channel: Y11 & Y11-01
  19. Buena Vista Wash: Y05 & Y05-01
    Sage Channel: Y06
  20. West Burnt Mountain Wash: Y02
  21. West Burnt Mountain Wash: Y02 & Y02-02
  22. Warren Vista Drain: Y02-01
  23. East Burnt Mountain Wash: Y03
    East Burnt Mountain Wash Tributary: Y03-01
  24. East Burnt Mountain Wash: Y03 & Y03-02
  25. Farello Wash: Y04-01
    OWS Channel: Y04
    OWS Road Wash: Y04-02
  26. Hanford Avenue Drain: Y01-01
  27. Covington Wash: C01
  28. Covington Wash: C01
  29. Covington Wash: C01
    East Fork: C02
  30. Black Rock Wash: C03
    Carmelita Wash West Fork: C03-01
  31. Skyline Ranch Wash: S01
    Ranch West: S01-01
  32. South Skyline Wash: S02
    Puente Channel: S02-01
  33. Sierra Vista Wash: V01
  34. Sierra Vista Wash: V01 & V01-02
  35. Chipmunk Wash: V01-01
    Hillcrest Wash: V01-03
  36. La Contenta Wash: C04 & C04-01
  37. Water Canyon Basin
  38. Kickapoo Basin
  39. Acoma Basin
  40. Long Canyon Basin
  41. East Burnt Mountain Basin
  42. West Burnt Mountain Basin

Chapter IX: Appendices — Not Included on Website

Appendix A

  • Policy Report and Conceptual Master Plan
  • Summary Report on Data Collection

Appendix B

  • Watershed Photographic Record
  • GIS Layers
  • GIS CD

Appendix C

  • Hydrologic Studies
  • Unit Hydrograph Studies, Volumes I through VII
  • Rational Method Studies, Volumes VIII through XI

Appendix D

  • Hydraulic Sizing Calculations and Debris Yield Studies
  • Open Channels
  • Underground Conduits
  • Debris Yield Studies

Appendix E

  • Non-Detained Master Plan Flood Control Facilities
  • Plan and Profile Drawings

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