雨水：是祸害还是资源？水务公司：适应未来挑战.pdf

1、Stormwater:Nuisance or Resource?Water Utilities:Adapting for the FuturePresentation bySasha Geschwind,Tuscon WaterGabbie LaFayette,WSSC Water2Stormwater PerspectivesChallengesOpportunitiesDamage FloodingQuantity Water ScarcityQuality PollutionFundingDivert excess waterCapture and reuseNature based s

2、olutionsPartnerships3Stormwater Challenges2023 Hong Kong flood event(158 mm in 1 hour)Disconnect on stormwater managementHandling fluctuating water eventsFlood control,managing&mitigating nuisancePollution4Stormwater Technology:Diversion,Capture&ReleaseProvides 60,000m3 storageFlood controlRedirect

3、from slopes upstreamCapture midlevel/midstreamImprove draining at coastal areaReal-time monitoring to automatically open weirs during flood eventsCaptured and released to oceanHappy Valley Underground Stormwater Storage Scheme,Hong Kong5Building on Stormwater Diversion:Land Management&Flood Preventi

4、onPartnership aimed at sustainable floodplain management and environmental restorationEstablish wetland and floodplain ecosystemBlue Heart Project,Unitywater,Sunshine Coast,AustraliaImprove water quality in the Maroochy RiverReduces flood riskSupport new land uses5,000 hectares natural floodplain 6B

5、uilding on Stormwater Diversion:Household UsesPartnership3 sources of waterDrinkingClass A RecycledRainwaterSmart monitoring to prevent floodingReduces communitys reliance on drinking water by up to 70%Aquarevo Sustainable Housing Development,SE Water,Melbourne,Australia7Funding Stormwater Projects

6、Government FundedDrinking Water grants and State Revolving FundsRatepayersDedicated Stormwater TaxSafe Clean Water Program,LA WaterGreen Stormwater Infrastructure fee,Tuscon WaterPublic-Private PartnershipsPUB,SingaporeRiverbank Restoration