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Grand Canyon Plan and Water Use Study National Park Planning - PowerPoint PPT Presentation

Drainage Master Grand Canyon Plan and Water Use Study National Park Planning Advisory Committee Airport Meeting #1 August 21, 2018 PAC Meeting #1 August 21, 2018 Introductions Project Overview AGENDA Draft Data Collection


  1. Drainage Master Grand Canyon Plan and Water Use Study National Park Planning Advisory Committee Airport Meeting #1 August 21, 2018 PAC Meeting #1 – August 21, 2018

  2. • Introductions • Project Overview AGENDA • Draft Data Collection and Existing Conditions Report and Comments • Next Steps PAC Meeting #1 – August 21, 2018

  3. INTRODUCTIONS PAC Meeting #1 – August 21, 2018 3

  4. • Matthew Smith (ADOT, Airport Manager) PROJECT • Lee McCleary (ADOT, Past Airport Manager) • Bob Haneline (Dibble, Project Manager) TEAM • Charlie McDermott (Dibble, Sr. Project Planner) • Nanette Pageau (Kaneen Communications, Public Outreach) PAC Meeting #1 – August 21, 2018

  5. Arizona Department of Transportation Arizona Game & Fish Arizona State Land Department Coconino County Federal Aviation Administration Grand Canyon Airlines PAC Grand Canyon National Park Grand Canyon National Park Airport AGENCY Havasupai Tribe KT Consulting, LLC MEMBERS Hydro Resources Maverick Airlines National Park Service Papillon Grand Canyon Helicopters Sierra Club Sierra Club, Grand Canyon Chapter Town of Tusayan USDA Forest Service – Kaibab National Forest PAC Meeting #1 – August 21, 2018

  6. PROJECT OVERVIEW & GOALS • Drainage Master Plan • Develop an FAA-compliant Drainage Master Plan • Water Use Study • Estimate Future Water Demands (matching 2017 Airport Master Plan) • Evaluate Alternatives for Providing Increased Potable Water Source(s) 6 PAC Meeting #1 – August 21, 2018

  7. • Data Collection and Existing PROJECT Conditions Analysis • Alternatives Analysis and Master PHASES Plan • Final Drainage Master Plan, Phase Implementation and Cost Analysis PAC Meeting #1 – August 21, 2018

  8. NEW AIRPORT MASTER PLAN 8 PAC Meeting #1 – August 21, 2018

  9. DRAFT DATA COLLECTION AND EXISTING CONDITIONS ANALYSIS REPORT 9 PAC Meeting #1 – August 21, 2018

  10. DATA COLLECTION - DRAINAGE • 2 Site Visits • Staff Interviews • Review of GCN Documents • Publicly Available Information 10 PAC Meeting #1 – August 21, 2018

  11. WATERSHED • 16 Square Mile Area • Mostly Forest Cover • 2 Subbasins 11 PAC Meeting #1 – August 21, 2018

  12. KNOWN (MINOR) FLOODING ISSUES 12 PAC Meeting #1 – August 21, 2018

  13. DATA COLLECTION - WATER • 3 Site Visits • Staff Interviews • Review of GCN Documents • Review of Usage Meter Data • Publicly Available Information 13 PAC Meeting #1 – August 21, 2018

  14. WATER USAGE • Data from 2008-2017 • Better Data from 2014-2017 • Four User Groups 14 PAC Meeting #1 – August 21, 2018

  15. WATER USAGE • Estimated Annual Usage = 1.5 million gallons per year 15 PAC Meeting #1 – August 21, 2018

  16. WATER SUPPLY • Formerly Collected from Infield Catchment Area • Now Hydro Resources 16 PAC Meeting #1 – August 21, 2018

  17. WATER TREATMENT SYSTEM • Designed to Treat Surface Water • Pretreatment using 125,000 gal. Tank, Oil/Water Separator, BTEX Monitoring • Package Treatment Plant • Inactive 17 PAC Meeting #1 – August 21, 2018

  18. WATER STORAGE • 125,000 gal. Presed. Tank - Inactive • Two 1.4 MG Potable Storage Tanks • 375,000 gal. Potable U/G Storage Tank • 30,000 gal. Booster Pump Wet Well 18 PAC Meeting #1 – August 21, 2018

  19. HYDROLOGIC ANALYSIS • Three Areas of Concern 19 PAC Meeting #1 – August 21, 2018

  20. INFIELD CULVERTS • Six Culverts Located in Runway Safety Area 20 PAC Meeting #1 – August 21, 2018

  21. RAIN TANK • Runway Extension • Wildlife Attractant • National Wetland Inventory 21 PAC Meeting #1 – August 21, 2018

  22. SURFACE WATER RIGHTS • Adjudication Memo • ADOT Owns Water Rights for All Surface Water That Flows to Rain Tank. 22 PAC Meeting #1 – August 21, 2018

  23. SURFACE WATER HARVESTING ANALYSIS • Collect Surface Water Generated Onsite • 3 Scenarios 23 PAC Meeting #1 – August 21, 2018

  24. SURFACE WATER HARVESTING ANALYSIS • Evaluated Historical Rainfall Data • Discounted Small and Very Large Rain Events 24 PAC Meeting #1 – August 21, 2018

  25. COMMENTS? PAC Meeting #1 – August 21, 2018 25

  26. NEXT STEPS 26 PAC Meeting #1 – August 21, 2018

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