WATER HARVESTING INITIATIVES IN TUCSON AND PIMA COUNTY

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‘Harvestable’ Water (Rainwater/Stormwater)i.e. water yield100%90%Lot Scale(< 2 ac)NeighborhoodScale(2 ac to 64 ac)TributaryWatercourseRegionalWatercourse(> ~100 mi 2 )Harvestable Stormwater80%70%60%50%40%30%20%10%USDA ARS DataUSGS GageRegression forUndevelopedWRRC DataRooftopModel DevelopedModel UndevelopedRegression for Developed0%0.000001 0.00001 0.0001 0.001 0.01 0.1 1 10 100 1000 1000Area (sq mi)Powerpoint Templates Page 12
Data Sets• Daily Rainfall Data – 108 years ofdata gathered at U of A.• Mean Daily Reference ET (ETo) –from Campbell Avenue FarmPenman Monteith ETo (in/day)0.350.30.250.20.150.10.0500 30 60 90 120 150 180 210 240 270 300 330 360Day of YearPowerpoint Templates Page 13
Page 1 and 2: WATER HARVESTING INITIATIVESIN TUCS
Page 3 and 4: Presentation Outline• Motivations
Page 5 and 6: Low Impact Development andGreen Inf
Page 11: Probability of Runoff FromImperviou
Page 15 and 16: Lot Scale Evaluation(1/5 acre lot e
Page 18 and 19: Modeled Mesquite WaterRequirements
Page 20 and 21: Joint Effort: LID Working Group Mem
Page 22 and 23: Joint Effort - LID Working GroupPro
Page 24 and 25: Bioretention BasinPowerpoint Templa
Page 26 and 27: Pima County:DECENTRALIZED ‘FIRST
Page 28 and 29: May 25, 2012Table of Contentsi. Pre
Page 30 and 31: Joint Effort - LID Working GroupPro
Page 32 and 33: Case Studies Catalogue20-30 Park (H
Page 36 and 37: City of TucsonApproved: Curb cut st
Page 38 and 39: Initiatives of Oro Valley• Rainwa
Page 40 and 41: SummaryMotivation forGI/LID:• Red
Page 42 and 43: ResourcesCity-County Water Study Wh
Page 44 and 45: Next Steps:CITY-COUNTY WATER-WASTEW

WATER HARVESTING INITIATIVES IN TUCSON AND PIMA COUNTY

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