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

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

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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

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PAC Meeting #1 – August 21, 2018

Grand Canyon National Park Airport

Drainage Master Plan and Water Use Study Planning Advisory Committee Meeting #1 August 21, 2018

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PAC Meeting #1 – August 21, 2018

AGENDA

  • Introductions
  • Project Overview
  • Draft Data Collection and Existing

Conditions Report and Comments

  • Next Steps
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PAC Meeting #1 – August 21, 2018

INTRODUCTIONS

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PAC Meeting #1 – August 21, 2018

PROJECT TEAM

  • Matthew Smith (ADOT, Airport Manager)
  • Lee McCleary (ADOT, Past Airport Manager)
  • Bob Haneline (Dibble, Project Manager)
  • Charlie McDermott (Dibble, Sr. Project

Planner)

  • Nanette Pageau (Kaneen Communications,

Public Outreach)

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PAC Meeting #1 – August 21, 2018

PAC AGENCY MEMBERS

Arizona Department of Transportation Arizona Game & Fish Arizona State Land Department Coconino County Federal Aviation Administration Grand Canyon Airlines Grand Canyon National Park Grand Canyon National Park Airport Havasupai Tribe KT Consulting, LLC 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

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PAC Meeting #1 – August 21, 2018

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)

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PAC Meeting #1 – August 21, 2018

PROJECT PHASES

  • Data Collection and Existing

Conditions Analysis

  • Alternatives Analysis and Master

Plan

  • Final Drainage Master Plan, Phase

Implementation and Cost Analysis

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PAC Meeting #1 – August 21, 2018

NEW AIRPORT MASTER PLAN

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PAC Meeting #1 – August 21, 2018

DRAFT DATA COLLECTION AND EXISTING CONDITIONS ANALYSIS REPORT

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PAC Meeting #1 – August 21, 2018

DATA COLLECTION

  • DRAINAGE
  • 2 Site Visits
  • Staff Interviews
  • Review of GCN

Documents

  • Publicly Available

Information

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PAC Meeting #1 – August 21, 2018

WATERSHED

  • 16 Square Mile Area
  • Mostly Forest Cover
  • 2 Subbasins

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PAC Meeting #1 – August 21, 2018

KNOWN (MINOR) FLOODING ISSUES

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PAC Meeting #1 – August 21, 2018

DATA COLLECTION

  • WATER
  • 3 Site Visits
  • Staff Interviews
  • Review of GCN

Documents

  • Review of Usage

Meter Data

  • Publicly Available

Information

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PAC Meeting #1 – August 21, 2018

WATER USAGE

  • Data from 2008-2017
  • Better Data from 2014-2017
  • Four User Groups

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PAC Meeting #1 – August 21, 2018

WATER USAGE

  • Estimated Annual Usage = 1.5 million gallons per year

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PAC Meeting #1 – August 21, 2018

WATER SUPPLY

  • Formerly Collected from

Infield Catchment Area

  • Now Hydro Resources

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PAC Meeting #1 – August 21, 2018

WATER TREATMENT SYSTEM

  • Designed to Treat

Surface Water

  • Pretreatment using

125,000 gal. Tank, Oil/Water Separator, BTEX Monitoring

  • Package Treatment

Plant

  • Inactive

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PAC Meeting #1 – August 21, 2018

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

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PAC Meeting #1 – August 21, 2018

HYDROLOGIC ANALYSIS

  • Three Areas of

Concern

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PAC Meeting #1 – August 21, 2018

INFIELD CULVERTS

  • Six Culverts Located

in Runway Safety Area

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PAC Meeting #1 – August 21, 2018

RAIN TANK

  • Runway Extension
  • Wildlife Attractant
  • National Wetland Inventory

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PAC Meeting #1 – August 21, 2018

SURFACE WATER RIGHTS

  • Adjudication Memo
  • ADOT Owns Water

Rights for All Surface Water That Flows to Rain Tank.

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PAC Meeting #1 – August 21, 2018

SURFACE WATER HARVESTING ANALYSIS

  • Collect Surface

Water Generated Onsite

  • 3 Scenarios

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PAC Meeting #1 – August 21, 2018

SURFACE WATER HARVESTING ANALYSIS

  • Evaluated Historical

Rainfall Data

  • Discounted Small

and Very Large Rain Events

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PAC Meeting #1 – August 21, 2018

COMMENTS?

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PAC Meeting #1 – August 21, 2018

NEXT STEPS

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