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2017 - Cities Water Actions

Row numberAccount NoOrganisationCityCountryRegionAccessC40Reporting yearRisks to city's water supply​Adaptation actionAction descriptionCity LocationCountry Location
50131158Hanoi CityHanoiVietnamSouth Asia and OceaniaPublicC402017FloodingOtherEnsure drainage system works effectively(21.0258°, 105.814607°)(14.058324°, 108.277199°)
50231158Hanoi CityHanoiVietnamSouth Asia and OceaniaPublicC402017Water lossesOtherWater use restrictions; Watershed preservation; Stormwater management (natural or man-made infrastructure)(21.0258°, 105.814607°)(14.058324°, 108.277199°)
5031499Ajuntament de BarcelonaBarcelonaSpainEuropePublicC402017Increased water stress or scarcityOtherThe City Council has carried out different actions with the aim of making citizens more aware of how to save water Thanks to the awareness campaigns, water consumption has been reduced about 20% in the last 15 years down to 105.5 liters per day per capita. Some of these measures are: World Water Day, which the Council takes part in through different measures, informative material such as ‘L’Espai de Mar’, ‘L’aigua i la ciutat’, exhibitions and visits to the water cycle facilities. ‘L’aigua i la ciutat’ and exhibitions.We are also taking some other actions that we are not allowed to put in that list, like production of the Technical Plan to MaximiseAlternative Water Resources 2012-2015, the constructionand start-up of the desalination plant, the improvement of the system’s redundancy or the Municipal Action Plan for the Risk of Drought.We are also doing:Municipal water efficiency retrofits: Water-saving faucet installation at municipal buildings.Smart irrigation system has progressively been installed, arriving in 2015 to 61% of the green spaces of Barcelona. This system has rainfall, evapotranspiration and plant water requirements into account in determining the amount of water to irrigate. Diversifying water supply (including new sources): Barcelona city council is doing the implementation of the Alternative Water Resources Master Plan (2013) for promote the use of underground water for uses that do not need drinking water quality (Plan currently in the process of revision). The Metropolitan Area of Barcelona has built a desalinisation plant to guarantee water supply at homes and avoid domestic water restrictions. Investment in existing water supply infrastructure: Improvement of the system’s redundancy.Use of non-potable water outside: The Alternative Water Resources Master Plan (2013) for promote the use of underground water for uses that do not need drinking water quality like street cleaning, sewer network cleaning, irrigation of green spaces.Use of non-potable water indoors (within building) The city council is doing pilot projects in municipal buildings for using grey waters for toilets and irrigation of green spaces (after biodepuration)Efficiency regulations or standards: Barcelona city council has a Municipal Action Plan for the Risk of Drought in case of water supply shortage (Plan currently in the process of revision).(41.382271°, 2.177506°)(40.463667°, -3.74922°)
5041499Ajuntament de BarcelonaBarcelonaSpainEuropePublicC402017Declining water qualityEfficiency regulations or standardsSince 2003 Barcelona's Public Health Agency has taken over the authority to supervise and control of water quality, carring out regular campaigns to take samples and anaylse them, doing health inspections, etc.(41.382271°, 2.177506°)(40.463667°, -3.74922°)
5051499Ajuntament de BarcelonaBarcelonaSpainEuropePublicC402017FloodingStormwater management (natural or man-made infrastructure)With the objective of defining the necessary actions to improve the performance of the sewer network during intense rainfall events, characteristics of the Mediterranean climate, the City Council developed the Special Sewer Master Plan of Barcelona (PECLAB), in 1997, in which introduced the concepts of hydraulic regulation and real time control applied to the case of Barcelona. In the last 20 years the city has set up protection in the form of 13 tanks preventing torrential rain from flooding the city, so that the water is gradually sent to the treatment plant after a rainy spell. The tanks have a nominal capacity of 477.020 m3.The current Drainage Master Plan of the city is the Barcelona Integral Sewer Plan (PICBA, 2006, currently in the process of revision). The elaboration of the plan is based on a Geographic Information System (following GIS) and a Modelling System (in terms of water quality and quantity). The mathematical modelling of the sewer network is a very good tool to detect flood risk areas in the city and to plan the optimal actions and needed infrastructures in order to minimize negative effects in the city during storm events.We are also working to improve the existing flood modelling System (2 dimensional, only considers capacity of the network) to a more complex one that incorporates the behaviour of water on the surface as well. It is one of teh exepcted outputs of the EU funded project RESCCUE http://www.resccue.eu/)In addition, Barcelona has the Real Time Centralized Operation. The implementation of the Real Time Control in the sewer system of Barcelona obeys to the application of the advanced management of urban drainage. A lot of Real Time Control strategies involving storm water retention tanks are currently employed, in order to minimize the effects of heavy storm events, in terms of flood protection and improvement of water quality in the receiving waters.(41.382271°, 2.177506°)(40.463667°, -3.74922°)
50631149City of AthensAthensGreeceEuropePublicC402017Increased water stress or scarcityConservation awareness and educationDue to the fact that the city of Athens is not in charge of management of water resources, one of the few measures that can be taken is to raise awareness on water savings. Citizens should be informed on how to efficiently use water and reduce water consumption. The Athens Water Supply and Sewerage Company (EYDAP S.A.) has already undertaken such actions in the past, especially in years when the capital faced water scarcity problems. In addition, the City apart from raising awareness is considering the implementation of measures that will allow the use of other sources of water (grey water, rainwater) for irrigation of public green spaces, instead of drinking water that is currently used. This should be done in cooperation with EYDAP S.A.(37.98381°, 23.727539°)(39.074208°, 21.824312°)
50731149City of AthensAthensGreeceEuropePublicC402017FloodingInvestment in existing water supply infrastructureMeasures need to be taken to deal with flooding events in days with intense rainfall in certain areas of the city.(37.98381°, 23.727539°)(39.074208°, 21.824312°)
50835858City of Cape TownCape TownSouth AfricaAfricaPublicC402017Increased water stress or scarcityWater use restrictions• In terms of demand side management, the City implements water restrictions and increases water restrictions when necessary. • Due to recent drought conditions, in January 2016 level 2 water restrictions were implemented, with increasingly stringent restrictions than those listed in the bylaws. These have subsequently been increased to level 3b in January 2017.(-33.9253°, 18.4239°)(-30.559482°, 22.937506°)
50935858City of Cape TownCape TownSouth AfricaAfricaPublicC402017Increased water stress or scarcityEfficiency regulations or standardsThe City of Cape Town has a number of water conservation and demand management bylaws in place, which speak to the watering of gardens/green spaces (timing, equipment, etc.); washing of paved areas and cars; filling of swimming pools and ponds; efficient fittings in public facilities; flow rates of all taps and showerheads; toilet capacity and other sanitary-ware fittings; and auditing by major water users. Other interventions include reducing leaks, establishing water efficient building regulations, decreasing off-peak water pressure to decrease loss from leaks and running awareness campaigns about re-using water incentives.(-33.9253°, 18.4239°)(-30.559482°, 22.937506°)
51035858City of Cape TownCape TownSouth AfricaAfricaPublicC402017Increased water stress or scarcityConservation awareness and educationIn terms of conservation awareness and education: various programmes are implemented by the relevant departments of the City of Cape Town, and have recently included the 2015 Smart Living Drama Festival for high school learners, themed “Our water, our pride”(-33.9253°, 18.4239°)(-30.559482°, 22.937506°)
51135858City of Cape TownCape TownSouth AfricaAfricaPublicC402017Increased water stress or scarcityDiversifying water supply (including new sources)In terms of diversifying water supply (including new sources): the City is currently conducting cooperative planning with the national Department of Water and Sanitation to ensure that additional water supply infrastructure is constructed to avoid a long-term water deficit in the region. Climate change is expected to change rainfall patterns, and this has been included.From supply side management perspective, various water management augmentation schemes are underway. Investigations into using the Table Mountain Region aquifer, effluent re-use, water harvesting as well as a desalination are underway.(-33.9253°, 18.4239°)(-30.559482°, 22.937506°)
51235858City of Cape TownCape TownSouth AfricaAfricaPublicC402017Increased water stress or scarcityUse of non-potable water outsidethe treated effluent is used by industry and for irrigation(-33.9253°, 18.4239°)(-30.559482°, 22.937506°)
51331167City of LagosLagosNigeriaAfricaPublicC402017FloodingStormwater management (natural or man-made infrastructure)The measures taken by the government include construction of new drainage channels, canals and aggressive expansion of existing ones.Desalting drains and clearing canals across the state to ensure free flow of water whenever it rained.Appeals and sensitization to residents to desist from practices such as indiscriminate dumping of refuse, building on flood plains and others that could block drainage channels and cause flooding.(6.524379°, 3.379206°)(9.081999°, 8.675277°)
51454337Greater Amman MunicipalityAmman JordanSouth and West AsiaPublicC402017Increased water stress or scarcityStormwater management (natural or man-made infrastructure)GAM is working with KFW on a stormwater network master plan for Amman.(31.945367°, 35.928372°)(30.585164°, 36.238414°)
5151184City of AustinAustinUSANorth AmericaPublicC402017Higher water pricesWater use restrictionsThe city has a strong conservation block structure to our water rates, but also encourages customers to increase efficiency through rebates and incentives. Finally, the city has been under 1 day per week watering restrictions since 2011 and is attempting to make that restriction permanent, drought or not.(30.2672°, -97.7431°)(37.09024°, -95.712891°)
5161184City of AustinAustinUSANorth AmericaPublicC402017Increased water stress or scarcityDiversifying water supply (including new sources)Austin Water is currently developing a 50 year Integrated water resource plan that will include climate change and its impact on supply and demand. Conservation and new sources are all under consideration(30.2672°, -97.7431°)(37.09024°, -95.712891°)
5171184City of AustinAustinUSANorth AmericaPublicC402017FloodingStormwater management (natural or man-made infrastructure)Increasing impervious cover, requirements for onsite stormwater capture and treatment, flood early warning system, flood-plain buyouts of homeowners(30.2672°, -97.7431°)(37.09024°, -95.712891°)
51831181City of PhiladelphiaPhiladelphiaUSANorth AmericaPublicC402017Increased water stress or scarcityConservation awareness and educationPWD in collaboration with the Partnership for the Delaware Estuary (PDE) and the Environmental Protection Agency (EPA) completed an assessment of the climate drivers, changing physical conditions, and the subsequent vulnerabilities that Philadelphia will face due to climate change. Based on these vulnerabilities, PWD is looking at adaptation options for Philadelphia’s drinking water supply and identifying priority research needs for the future. PWD’s Delaware River Source Water Assessment identifies sea level rise as a priority concern for Philadelphia’s water supply on the Delaware. Philadelphia’s Baxter intake, which provides drinking water to nearly 1 million people, is located in the tidally influenced fresh waters of the Delaware River. PWD is currently in the process of assessing what options exist to ensure that the salty water of the tidal Delaware does not reach the Baxter intake as climate conditions change. As part of this assessment, PWD is developing modeling capabilities to not only evaluate possible sea level rise and salt intrusion scenarios, but to examine issues related to nutrient fate and transport and spill event warning as well. PWD’s Office of Watersheds implements waterway restoration programs that are designed to reduce water temperatures and stress from higher temperatures, restore aquatic ecosystems, and maintain and improve the resiliency of aquatic systems. PWD also leads multiple ongoing watershed planning efforts that are intended to improve the health of the water resources in Philadelphia watersheds while respecting the diverse needs of stakeholders. Specific investigations conducted as part of the plan development included issues related to climate change impacts, such as the affect of sea level rise and increased water salinity on aquatic vegetation.(39.952335°, -75.163789°)(37.09024°, -95.712891°)
51931181City of PhiladelphiaPhiladelphiaUSANorth AmericaPublicC402017Declining water qualityStormwater management (natural or man-made infrastructure)(39.952335°, -75.163789°)(37.09024°, -95.712891°)
52031181City of PhiladelphiaPhiladelphiaUSANorth AmericaPublicC402017Inadequate or aging infrastructureInvestment in existing water supply infrastructure(39.952335°, -75.163789°)(37.09024°, -95.712891°)
52131181City of PhiladelphiaPhiladelphiaUSANorth AmericaPublicC402017FloodingStormwater management (natural or man-made infrastructure)(39.952335°, -75.163789°)(37.09024°, -95.712891°)
52231181City of PhiladelphiaPhiladelphiaUSANorth AmericaPublicC402017Higher water pricesInvestment in existing water supply infrastructure(39.952335°, -75.163789°)(37.09024°, -95.712891°)
52314874City of Portland, ORPortland, ORUSANorth AmericaPublicC402017Inadequate or aging infrastructureInvestment in existing water supply infrastructureThrough a robust asset management program, timely investments are made to minimize impacts to Portland's aging infrastructure, including inspections and replacements made in pipes located in areas with increased risk of landslides.(45.52°, -122.6819°)(37.09024°, -95.712891°)
52414874City of Portland, ORPortland, ORUSANorth AmericaPublicC402017FloodingWatershed preservationPortland seeks to manage the watershed in ways that preserve its health and ecosystem functions.(45.52°, -122.6819°)(37.09024°, -95.712891°)
52514874City of Portland, ORPortland, ORUSANorth AmericaPublicC402017Higher water pricesInvestment in existing water supply infrastructureThrough asset management, timely investments are made to most cost effectively minimize risk while delivering on levels of service.(45.52°, -122.6819°)(37.09024°, -95.712891°)
52631150Bangkok Metropolitan AdministrationBangkok ThailandSouth Asia and OceaniaPublicC402017Increased water stress or scarcityWater use restrictionsseveral areas in Thailand experience drought every year. Between November and May, the average temperature begins to steadily increase during April reaching 40-43 degrees Celsius causing the natural convection to slow down and with combination of little rainfall. This results in drought in outer areas of Bangkok including Khan Na Yao district and Huay Kwang district (BMA, 2013).(13.787506°, 100.710632°)(15.870032°, 100.992541°)
52769835Municipalidad de YalaYalaArgentinaLatin AmericaPublic2017Declining water qualityWatershed preservationse hace concientizacion sobre el cuidado de las cuencas de agua que seran las fuentes de agua para consumo en el futuro43 130026
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(41.112632°, -112.051773°)
(-38.416097°, -63.616672°)
52831164Ho Chi Minh CityHo Chi MinhVietnamSouth Asia and OceaniaPublicC402017Declining water qualityDiversifying water supply (including new sources)Ho Chi Minh City is planning to construct a network of water storage facilities, including multi-functional reservoirs in order to secure more raw water storage against the increasingly severe salinity intrusion and other risks.(10.762622°, 106.660172°)(14.058324°, 108.277199°)
52943932Auckland CouncilAuckland New ZealandSouth Asia and OceaniaPublicC402017Increased water stress or scarcityOtherWatercare Ltd operates a metropolitan security of supply standard of 1 in 100 year event with 15% residual storage at the end of the drought event. Planning for future sources is currently being brought forward to meet metropolitan 3 day peak demand requirements rather than the requirement of maintaining the metropolitan source yield security of supply standard. Watercare Ltd maintains the security of supply standard. Resilience of water supply and redundancy of facilities is taken into account for the Asset Management Plan for improving levels of service and Council are undertaking further work across stakeholders, to further identify the impacts of climate change on water supply, quality and demand. Outputs from this work will further inform asset management, business planning and wider community engagement.Reducing water demand is a key aspect of addressing increased water stress and Watercare have developed a Water Demand Management Plan (being refreshed this year), which details activities including education and awareness for residential, business and schools; addressing treatment processes; legislation and options for tariffs.(-36.815328°, 174.741788°)(-40.900557°, 174.885971°)
53043932Auckland CouncilAuckland New ZealandSouth Asia and OceaniaPublicC402017FloodingOtherThere are a range of actions in place to address the impacts of flooding on water supply, including policies within the Auckland Unitary Plan Operative in Part.The Stormwater Unit has identified the critical parts of the stormwater system, which are vital to providing service continuity and have unacceptable consequences should they fail. The criticality is taken into account when the asset renewal, maintenance strategies and condition monitoring programmes are developed.The stormwater asset management plan seeks to manage risks through:• Educating the community to increase resilience because not all flooding and climate change impacts will be resolved• Encouraging future development to locate above floodplains and low lying coastal land vulnerable to some of these hazards, in particular tidal storm surges, tsunamis and flooding associated with major rainfall events• Promoting the use of water sensitive design and source control which moves away from relying heavily on traditional large communal hard infrastructure• Relying more on overland flow paths and natural assets than hard infrastructure which is more susceptible to damage in disasters• Preparing and adopting a stormwater resilience strategy which will provide the unit with a framework for incorporating resilience in business decisionsWork is underway to further understand the pressures and vulnerabilities on assets and infrastructure in relation to climate change, which will inform on-going delivery of strategy and policy.(-36.815328°, 174.741788°)(-40.900557°, 174.885971°)
53143932Auckland CouncilAuckland New ZealandSouth Asia and OceaniaPublicC402017Inadequate or aging infrastructureDiversifying water supply (including new sources)Climate change strategies in relation to water supply, quality and stormwater have been developed, or are in development, across Council. These incorporate key activities to integrate climate projections into asset management planning and identify key risks and vulnerabilities within the system. Water sensitive design is a key consideration within planning for Auckland and specific policies are integrated into the Auckland Unitary Plan, Operative in Part to address water infrastructure, capacity and ecosystem services. It will be impossible to mitigate all risks and so a key activity is to engage with communities and businesses to understand those risks, support local planning and better understand water pressures in the region.As part of the process associated with the increased Waikato River source consent application a study was undertaken to identify a large number of other possible sources. This included processes such as but not limited to desalination for example. The outcome of the study found that overall the preferred next metropolitan source would be the Waikato River but other options existed.Demand management continues to be an initiative utilised by Watercare to defer the requirement of additional infrastructure.Work is underway to further understand the pressures and vulnerabilities on assets and infrastructure in relation to climate change, which will inform on-going delivery of strategy and policy.(-36.815328°, 174.741788°)(-40.900557°, 174.885971°)
53231174Moscow GovernmentMoscow RussiaEuropePublicC402017Inadequate or aging infrastructureMunicipal water efficiency retrofitsReconstruction, retrofitting, major repairs and preventive maintenance of networks and facilities: to minimize technical and production risks and prevent accidents, Mosvodokanal OJSC is working out and implementing programs to enhance the operative reliability of networks and facilities, and is improving the accident detection and prevention systems and introducing modern equipment and automated systems.(55.755826°, 37.6173°)(61.52401°, 105.318756°)
53316581City of SeattleSeattleUSANorth AmericaPublicC402017Increased water stress or scarcityOtherSPU has a comprehensive approach to reducing the risks to Seatle’s water supply that include conducting periodic research using best available science to inform our understanding of the potential impacts on our supply, collaborating with other utilities to build sectoral knowledge and capacity, engaging in federal climate initiatives initiatives, pursuing flexible adaptation pathways and implementing programs to promote efficiency and dynamic real time management.Climate Research:SPU was a pioneer in engaging with climate researchers to better understand the potential impacts of climate change on water supplies. We have conducted two downscaling studies/impacts assessments with the University of Washington Climate Impacts Group and intent to conduct a third impacts assessment with the Climate Impacts Research Consortium in 2012 and 2013. Our intent is to update our impacts assessments on a periodic basis as new information becomes available, such as new climate data generated for the IPCC assessment reports. Flexible Adaptation Pathways:SPU has used downscaled climate data to test the effectiveness of adaption options for offsetting the potential reductions in supply due to climate change. SPU has emphasized low cost, intra system modifications and no regrets options that enhance the flexibility of the existing system rather than evaluating options that require major expansion and significant investments.Collaboration:SPU is an active leader in promoting collaboration on climate change within the water utility sector including the Water Utility Climate Alliance (WUCA), a group of 10 utilities in the US that provide drinking water to 43 million people. WUCA’s mission is to provide “leadership in assessing and adapting to the potential effects of climate change through collaborative action. Engaging in Federal Climate Initiatives:SPU is active in federal climate initiatives. SPU staff serve on the National Climate Assessment Development Advisory Committee, which is overseeing the development of the next US National Climate Assessment, and is serving as one of the Convening Lead Authors for the Water Resources Chapter. SPU staff also co-chaired US EPA’s Climate Ready Water Utilities Working Group.(47.6062°, -122.3321°)(37.09024°, -95.712891°)
53431109City of MelbourneMelbourneAustraliaSouth Asia and OceaniaPublicC402017FloodingOtherWe have undertaken flood modelling of a number of our at-risk areas. Melbourne is exploring regulatory and behaviour change approaches to encourage increase water retention higher in catchments which experience regular flooding. Melbourne has a number of storm water and waste water re-use facilities in place.(-37.814107°, 144.96328°)(-25.274398°, 133.775136°)
53531109City of MelbourneMelbourneAustraliaSouth Asia and OceaniaPublicC402017Inadequate or aging infrastructureInvestment in existing water supply infrastructureAn audit of the state of Melbourne’s drains is continuing, and on-going upgrades are underway.(-37.814107°, 144.96328°)(-25.274398°, 133.775136°)
53631109City of MelbourneMelbourneAustraliaSouth Asia and OceaniaPublicC402017Increased water stress or scarcityDiversifying water supply (including new sources)A desalination plant to provide water to Melbourne was completed in 2012. State and local governments are implementing projects and programs which will increase the use of alternative water supplies, through rainwater tanks, rainwater capture and re-use, storm water re-use etc.(-37.814107°, 144.96328°)(-25.274398°, 133.775136°)
53731109City of MelbourneMelbourneAustraliaSouth Asia and OceaniaPublicC402017Higher water pricesConservation awareness and educationFit for purpose water use encouraged.(-37.814107°, 144.96328°)(-25.274398°, 133.775136°)
53831109City of MelbourneMelbourneAustraliaSouth Asia and OceaniaPublicC402017RegulatoryWater use restrictionsMelbourne has permanent water saving rules in place which limit activities such as watering gardens and washing cars.Additional: Water in the Environement-Diversifying water supply-State and local governments are implementing projects and programs which will increase the use of alternative water supplies, through rainwater tanks, rainwater capture and reuse, storm water re-use etc. The Victorian State Government and the City of Melbourne encourage fit-for-purpose water use, which means using water which is sourced treated to the level needed for its use.(-37.814107°, 144.96328°)(-25.274398°, 133.775136°)
53951075City of ShenzhenShenzhenChinaEast AsiaPublicC402017FloodingWatershed preservationStorm water management (natural or man-made infrastructure).Implementing the concept of sponge city; water storage projects; preserving surrounding area of the watersheds.(22.917478°, 113.813461°)(35.86166°, 104.195397°)
54031164Ho Chi Minh CityHo Chi MinhVietnamSouth Asia and OceaniaPublicC402017Increased water stress or scarcityConservation awareness and educationEducation for efficient water consumption for schools.Increasing public awareness on water saving and recycling.(10.762622°, 106.660172°)(14.058324°, 108.277199°)
54131164Ho Chi Minh CityHo Chi MinhVietnamSouth Asia and OceaniaPublicC402017Inadequate or aging infrastructureInvestment in existing water supply infrastructureProjects on improving pipeline system and reducing water leakage.(10.762622°, 106.660172°)(14.058324°, 108.277199°)
54231164Ho Chi Minh CityHo Chi MinhVietnamSouth Asia and OceaniaPublicC402017Higher water pricesEfficiency regulations or standardsDue to the need of investment on pipeline system and more treatment plants, the water prices need to be increased in near future(10.762622°, 106.660172°)(14.058324°, 108.277199°)
54350680CascaisCascaisPortugalEuropePublic2017FloodingWatershed preservationImproving flow conditions in critical areas (bridges, aqueducts and other runoff bottlenecks) Improving forecasting and alert situations systems of floods and emergency’s management Construction of storage infrastructure for fitting of flood volumes and attenuation of flood stream Deviation of flood volume of populated areas and controlled flooding of localized areas Relocation of goods and people from areas of high flood risk Clearing rainwater runoff from backyards, balconies and gutters of housing system’s roofs Reduction of impermeable surfaces(38.6970565°, -9.4222945°)(39.399872°, -8.224454°)
54450680CascaisCascaisPortugalEuropePublic2017Increased water stress or scarcityWater meteringElimination of contaminants discharges to streams Monitoring of uncontrolled discharges in drainage networks in intense rainfall situations(38.6970565°, -9.4222945°)(39.399872°, -8.224454°)
54531175City of ParisParisFranceEuropePublicC402017FloodingOtherset crises management plan and set building prevention plan(48.856614°, 2.3522219°)(46.227638°, 2.213749°)
54650680CascaisCascaisPortugalEuropePublic2017Declining water qualityConservation awareness and educationPublic awareness of water resources valorization Rehabilitation and maintenance on supply network infrastructure Adoption of an incentive tariff scheme for efficient use of water(38.6970565°, -9.4222945°)(39.399872°, -8.224454°)
54731111Tokyo Metropolitan GovernmentTokyoJapanEast AsiaPublicC402017Inadequate or aging infrastructureOtherRenewal of water purification plant(35.6896342°, 139.6921007°)(36.204824°, 138.252924°)
54835868Free and Hanseatic City of HamburgHamburgGermanyEuropePublic2017Other: Salt water intrusionDiversifying water supply (including new sources)The city acquires water from other parts of the region.(53.5510846°, 9.9936818°)(51.165691°, 10.451526°)
54931172Mexico CityMexico CityMexicoLatin AmericaPublicC402017Increased water stress or scarcityConservation awareness and educationWater saving program in offices and public buildings, and collecting rainwater - awareness and education - Soil conservation works and soil water conservation - promoting water harvesting and aquifer recharge - Using ecotecnias water harvesting for irrigation of crops - promoting uptake and use of rainwater production- oriented programs(19.4326077°, -99.133208°)(23.634501°, -102.552784°)
55031176Prefeitura do Rio de JaneiroRio de JaneiroBrazilLatin AmericaPublicC402017Water lossesInvestment in existing water supply infrastructureWater supply and distribution falls under State jurisdiction, outside of the municipality's competencies, and is managed by CEDAE - The State Company for Water and Sewage. To avoid wasting water, CEDAE invests in technologies and personnel to extend network monitoring and reduce response time against leaks. The Operational Control Center (CCO), the geophones, the trucks with compressors coupled in the car bodies, night repair teams and the replacement of the water distribution network and sewage collection are examples of actions that contribute to the reduction of losses. Operating 24 hours, the CCO has videowall, allowing teams to quickly detect pipeline leaks and supply anomalies. In case of leaks, a technical team of the company is sent to the problem.(-22.9054389°, -43.5614471°)(-14.235004°, -51.92528°)

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created Jul 31 2017

updated Oct 4 2018

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CDP’s new infographic report ‘Who’s tackling urban water challenges’, produced in partnership with AECOM, the global infrastructure firm, and funded by Bloomberg Philanthropies, shows the first and most comprehensive dataset of global water action by cities and companies produced to date. Using information gathered from 569 cities and 1,432 companies, each reporting their water management activity, it illustrates how global cities and companies are responding to the escalating challenge of climate change and urban population growth.
Explore how cities and companies are acting on water, the CDP infographic report ‘Who’s in charge of Water Governance’, with case studies and full data is available at www.cdp.net/cities.

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