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Contents
Foreword,byBruceK.Ferguson ..................................... xi
Acknowledgments................................................. xvii
Preface........................................................... xiii
1. IntroductiontoRainwaterHarvesting.............................. 1
UnitedStatesGreenBuildingCouncil(USGBC)Leadership
inEnergyandEnvironmentalDesign.............................. 4
RainwaterCatchmentHistory .................................... 6
2. ARainwaterHarvestingSystem................................... 11
ComponentsofaSystem......................................... 14
CatchmentArea................................................ 14
Conveyance.................................................... 18
Roofwashing .................................................. 20
Storage........................................................ 25
Distribution ................................................... 29
Purification.................................................... 30
SystemComplexity ............................................. 32
WaterBudget .................................................. 36
WaterBalanceAnalysis .......................................... 38
ColdWeatherConsiderations..................................... 41
3. PassiveRainwaterandStormwaterCatchment....................... 47
AMoreNaturalApproach........................................ 47
DetailsforPassiveCollection..................................... 52
4. EquipmentforanActiveRainwaterCatchmentSystem ............... 65
Rooftops,Gutters,andDownspouts ............................... 65
DownspoutFilters.............................................. 69
Contents | vii
First-FlushDevicesandRoofWashers.............................. 72
DownspoutDiversiontoaRainbarrelorRainchain.................. 77
StorageSystems ................................................ 79
PotableWaterTreatmentTechnologies............................. 86
Costs ......................................................... 94
ExamplesofHandmadeTanks.................................... 96
5. CaseStudies ................................................... 99
LandscapeInfiltration.......................................... 100
OregonConventionCenter ...................................... 100
SeattleNaturalDrainageSystem .................................. 103
Residential:Single-FamilyandMulti-FamilyRWHSystems.......... 106
ColeResidence,FridayHarbor,WA................................ 106
KearneyResidence,Tucson,AZ ................................... 107
RanchoSanMarcos,SantaFe,NM ................................ 109
CaminoBlanca,SantaFe,NM.................................... 109
SingleFamilyQuadplex,Tucson,AZ............................... 112
CasaRufinaApartments,SantaFe,NM ............................ 114
Residential:SubdivisionsRWHSystems .......................... 115
RanchoViejo,SantaFe,NM...................................... 115
WilkesCountyLogHomeSubdivision,WilkesCounty,NC............ 117
RanchoEncantadoResort,Tesuque,NM ........................... 118
ClubCasitasdeLasCampanas,SantaFe,NM....................... 120
CommercialRWHSystems...................................... 121
CabellBrandStore,Salem,VA .................................... 121
EgglestonLaundry,Norfolk,VA................................... 122
ElMonteSagradoLivingResortandSpa,Taos,NewMexico........... 124
EarthRangersHeadquarters,Toronto,Canada....................... 127
GrandPrairieAnimalShelter,GrandPrairie,TX..................... 128
LadyBirdJohnsonWildflowerCenter,Austin,TX.................... 131
IndustrialRWHSystems........................................ 134
FordMotorCo.RougeFactory,Dearborn,MI....................... 134
ToyotaMotorSales,USAInc,Portland,OR......................... 136
AmericanHondaCorporation,Gresham,OR ....................... 139
KilaueaMilitaryCamp(KMC),BigIslandofHawaii ................. 142
SchoolRWHSystems........................................... 145
StMichael’sParishDaySchool,TucsonAZ ......................... 145
RoyLeeWalkerElementarySchool,McKinney,TX................... 147
viii | DesignforWater
HeritageMiddleSchool,Raleigh,NC .............................. 149
LangstonHighSchool,Arlington,TX.............................. 151
StephenEplerHall,PortlandStateUniversity,Portland,OR ........... 153
ParksandInterpretiveCentersRWHSystems...................... 157
KitPeakObservatory,TohonoO’odhamIndianReservation,AZ ....... 157
CarkeekPark,Seattle,WA........................................ 160
ChesapeakeBayFoundation,Annapolis,MD........................ 162
MunicipalRWHSystems........................................ 164
SanJuanFireStationNo.1,FridayHarbor,WA...................... 164
FirstGreenPostOffice,FortWorth,TX ............................ 166
SeattleCityHall,Seattle,WA ..................................... 169
KingStreetCenter,Seattle,WA.................................... 171
USDepartmentofAgricultureResearchFacility,Maricopa,AZ ........ 174
RoanokeRegionalJail,RoanokeCounty,VA ........................ 176
NorthCarolinaLegislativeBuilding,Raleigh,NC .................... 178
AlternateSourceWaterCollectionSystems ........................ 181
AirConditioningCondensateandCoolingTowerBlowdownCollection.. 181
FogCollection ................................................. 199
GreywaterCollection............................................ 202
RainwaterHarvestingforWildlife................................. 205
RainwaterCatchmentforWildlife................................. 205
Conclusion....................................................... 211
AppendixA:ResourcesList ......................................... 217
AppendixB:MetricConversionTables ............................... 221
Glossary ......................................................... 223
Notes............................................................ 227
Index............................................................ 229
AbouttheAuthor.................................................. 237
Contents | ix
