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2017 Cities Water Risks

Row numberAccount NoOrganisationCityCountryRegionAccessC40Reporting yearRisks to city’s water supply​TimescaleMagnitudeRisk descriptionCurrent populationPopulation yearCity locationCountry location
45157505Alcaldía de PanamáPanamáPanamaLatin AmericaPublic2017Increased water stress or scarcityMedium-termLess seriousThe growth of population of the City of Panamá will demand more water treatment. Under certain scenarios of climate change the water supplies can reduce.14278622014(9.118624°, -79.555236°)(8.537981°, -80.782127°)
45250366Ayuntamiento de CuernavacaCuernavacaMexicoLatin AmericaPublic2017Increased water stress or scarcityCurrentExtremely seriousPor la falta de operatividad y mantenimiento de las tuberias el agua se puede contaminar. Va contra la Ley.3663212010(18.927487°, -99.242026°)(23.634501°, -102.552784°)
45350366Ayuntamiento de CuernavacaCuernavacaMexicoLatin AmericaPublic2017Increased water stress or scarcityExtremely seriousNO se cuenta con recurso económico derivado de desfalcs y las estructuras no se reparan, o se mantienen. El pago por uso de bombeo se eleva su costo3663212010(18.927487°, -99.242026°)(23.634501°, -102.552784°)
45450369Ayuntamiento de San Luis PotosíSan Luis PotosíMexicoLatin AmericaPublic2017Increased water stress or scarcityMedium-termSeriousAs you increase the population of the capital, increase water demand . And if industry increases without a policy of " discharge zero " mandatory , the problem will be aggravated .8242292015(22.173333°, -100.97005°)(23.634501°, -102.552784°)
45561427Municipality of NacalaNacalaMozambiqueAfricaPublic2017Increased water stress or scarcityLong-termSerious#NAME?2500002015(-14.565606°, 40.685431°)(-18.665695°, 35.529562°)
45654345City Government of DavaoDavaoPhilippinesSouth Asia and OceaniaPublic2017Increased water stress or scarcityMedium-termExtremely serious16329912015(7.074755°, 125.624539°)(12.879721°, 121.774017°)
45760029City of Cagayan de OroCagayan de OroPhilippinesSouth Asia and OceaniaPublic2017Increased water stress or scarcityCurrentSeriousThe decreasing water resource is also a major threat brought by clim ate Change due to global warming trend. The increasing population which increased the demand for fresh water has forced the city government to tap the surface waters of Cagayan de Oro River. Unfortunately the streamflow of the primary river has also been decreasing for decades due to accelerated forest denudation.7248592017(8.454236°, 124.631898°)(12.879721°, 121.774017°)
45835903Le Grand CasablancaCasablancaMoroccoAfricaPublic2017Increased water stress or scarcityLong-termSeriousLess water for livestock and humans Less frequently but important in rural regions42707502015(33.520593°, -7.56806°)(31.7917°, -7.0926°)
45960392Municipalidad de San Isidro (Lima)San Isidro (Lima)PeruLatin AmericaPublic2017Increased water stress or scarcityMedium-termSeriousEl suministro de agua potable para las personas depende de una sola entidad a cargo del Gobierno Central. Aproximadamente el 8% de la población de la ciudad de Lima no cuenta con agua potable ni alcantarillado. Esa es la prioridad. San Isidro cuenta con un sistema antiguo de ductos que no corresponde al crecimiento urbanístico, el desfase no puede ser cubierto por el Municipio por falta de fondos y la entidad encargada tiene otras prioridades. Este 2017 se presentó el fenómeno del niño mucho más severo de los últimos 75 años, con un desabastecimiento de agua cercano al 40% dela población urbana.542062015(-12.09772°, -77.027336°)(-9.19°, -75.0152°)
46055324Município de GuimarãesGuimarãesPortugalEuropePublic2017Increased water stress or scarcityLong-termExtremely seriousIncrease in the number of flood events and more widespread, with predictable changes in urban watercourses management that will be severe and may affect more buildings, infrastructure and more vulnerable social groups. It may also lead to the instability of the watercourses banks and the destruction of flora.1549202015(41.444266°, -8.292241°)(39.399872°, -8.224454°)
46154347Pasig City GovernmentPasigPhilippinesSouth Asia and OceaniaPublic2017Increased water stress or scarcityMedium-termExtremely seriousContamination of potable water supply7726952016(14.58691°, 121.0614°)(12.879721°, 121.774017°)
46236426Riga CityRigaLatviaEuropePublic2017Increased water stress or scarcityMedium-termLess seriousAging infrastructure, need for additional financial capacity to support municipal facilities6414232017(56.9496°, 24.1052°)(56.8796°, 24.6032°)
46360638Walvis Bay MunicipalityWalvis BayNamibiaAfricaPublic2017Increased water stress or scarcityCurrentExtremely serious1000002016(-22.938959°, 12.524746°)(-22.9576°, 18.4904°)
46473282Municipality of IlhaIlhaMozambiqueAfricaPublic2017Increased water stress or scarcityCurrentSerious130002015(32.809917°, -16.910775°)(-18.6657°, 35.5296°)
46573282Municipality of IlhaIlhaMozambiqueAfricaPublic2017Increased water stress or scarcityMedium-termSerious130002015(32.809917°, -16.910775°)(-18.6657°, 35.5296°)
46650374Alcaldia Distrital de Cartagena de IndiasCartagenaColombiaLatin AmericaPublic2017Water lossesCurrentSerious9715922010(10.421855°, -75.550096°)(4.5709°, -74.2973°)
46763999City of Miami Beach, FLMiami Beach, FLUSANorth AmericaPublic2017Increased water stress or scarcityCurrentSeriousFlooding has been one of the main issues that our City is dealing with. The combination of salt water intrusion and rising seas has made this issue quite predominant.917322014_
,
(25.790654°, -80.130045°)
(37.09024°, -95.712891°)
46862864City of Lancaster, PALancaster, PAUSANorth AmericaPublic2017Increased water stress or scarcityCurrentLess seriousHigh maintenance, collapsing pipes, frequent flushing.600002016(40.037875°, -76.305514°)(37.09024°, -95.712891°)
46961790City of Emeryville, CAEmeryville, CAUSANorth AmericaPublic2017Increased water stress or scarcityCurrentSeriousDrought risk already impending105702014(37.831316°, -122.285247°)(37.09024°, -95.712891°)
47061876Mazabuka Municipal CouncilMazabukaZambiaAfricaPublic2017Increased water stress or scarcityCurrentExtremely seriousHydroelectricity issues stresses, for instance- no electricity in homes at certain intervals due to road shading and you only see power for only two hours.1822052016(-15.861252°, 27.749066°)(-13.133897°, 27.849332°)
47149327City of ProvidenceProvidenceUSANorth AmericaPublic2017Increased water stress or scarcityMedium-termSerious1785622014(41.824°, -71.4128°)(37.09024°, -95.712891°)
47261876Mazabuka Municipal CouncilMazabukaZambiaAfricaPublic2017Increased water stress or scarcityCurrentExtremely seriousPeople consuming contaminated water due to dried and stagnant water sources leads to water borne diseases.1822052016(-15.861252°, 27.749066°)(-13.133897°, 27.849332°)
47331052City of CardiffCardiffUnited KingdomEuropePublic2017Increased water stress or scarcityMedium-termLess seriousIncreased water stress and flooding issues generally in Wales and the UK will have an impact on higher water prices as well as the factors of the water system requiring significant investment and an increasing population in Cardiff.3543002014(51.481581°, -3.17909°)(55.378051°, -3.435973°)
47452897City of Aspen and Pitkin CountyAspen and Pitkin CountyUSANorth AmericaPublic2017Increased water stress or scarcityLong-termLess seriousIncreasing dry periods in the Western U.S., decreasing proportion of precipitation falling as snow, and changes to the timing and availability of water could lead to higher water prices due to reduced hydroelectric generating potential.84272010(39.195°, -106.837°)(37.09024°, -95.712891°)
4751093City of AtlantaAtlantaUSANorth AmericaPublic2017Increased water stress or scarcityShort-termExtremely seriousThe city depends on one river for water supply - the river has suffered from extreme droughts in previous years. Intensive rain fall has produced floods in the city affecting transportation, houses, and businesses4437752013(33.7489954°, -84.3879824°)(37.09024°, -95.712891°)
47649787City of BeniciaBeniciaUSANorth AmericaPublic2017Increased water stress or scarcityCurrentExtremely seriousThe State Water Project (SWP) has historically supplied 75% to 85% of the City's water from the Sacramento - San Joaquin Delta and the Solano Project (SP) has historically supplied 15% to 25% of the City's water from Lake Berryessa. Lake Herman has historically been used as an emergency water supply and temporary storage reservoir. The City has 3,100 acre-feet of reliable water supply and has purchased water from various agencies when needed. Allocations of water from the SWP have varied from 5% to 65%. When the allocation exceeded 35%, then the City had adequate water supply. Some of the SWP and SP water that is allocated and not used can be carried over or "banked" for use in future years. Approximately 10,000 acre-feet of water has been "banked" in Lake Berryessa for use during a drought. Reservoir storage is low - Lake Oroville is at 66% of Historical Average; Lake Berryessa is at lowest in 22 years, 76% of average.274502014(38.049365°, -122.1585777°)(37.09024°, -95.712891°)
47749787City of BeniciaBeniciaUSANorth AmericaPublic2017Increased water stress or scarcity274502014(38.049365°, -122.1585777°)(37.09024°, -95.712891°)
47849787City of BeniciaBeniciaUSANorth AmericaPublic2017Increased water stress or scarcity274502014(38.049365°, -122.1585777°)(37.09024°, -95.712891°)
47954104City of BoulderBoulderUSANorth AmericaPublic2017Increased water stress or scarcityShort-termExtremely seriousFlood events could lead to water contamination and threaten vital water supply infrastructure increasing costs for production or ceasing the operation of water (and wastewater) treatment plants.1071672015(40.0274°, -105.2519°)(37.09024°, -95.712891°)
48054104City of BoulderBoulderUSANorth AmericaPublic2017Increased water stress or scarcityLong-termSeriousWater quality is threatened from increased pollutants directly discharged or transferred through natural weather (i.e. acidic rain, top soil windblown into water). Declining water quality will increase costs of water treatment and threaten ecosystems and human health.1071672015(40.0274°, -105.2519°)(37.09024°, -95.712891°)
48150550City of BuffaloBuffaloUSANorth AmericaPublic2017Increased water stress or scarcityCurrentSeriousProper maintenance and Level of service funding2580712015(42.8864°, -78.8784°)(37.09024°, -95.712891°)
48250550City of BuffaloBuffaloUSANorth AmericaPublic2017Increased water stress or scarcityCurrentLess seriousLack of acceptance for local prioritization in meeting increased Drinking Water requirements2580712015(42.8864°, -78.8784°)(37.09024°, -95.712891°)
48335857City of CincinnatiCincinnatiUSANorth AmericaPublic2017Increased water stress or scarcityMedium-termSeriousCincinnati has an abundance of surface and ground water, and we anticipate larger and more frequent storms in the future, leading to flooding. Aging infrastructure makes it difficult to control flooding in the city.2985502015(39.1031°, -84.512°)(37.09024°, -95.712891°)
48431181City of PhiladelphiaPhiladelphiaUSANorth AmericaPublicC402017Higher water pricesLong-termLess serious15550722015(39.952335°, -75.163789°)(37.09024°, -95.712891°)
48535859City of ClevelandClevelandUSANorth AmericaPublic2017Increased water stress or scarcityCurrentSeriousStormwater is a challenge for urban areas and parks in Cleveland. The 22,000-acre Emerald Necklace surrounding the metro area has become the region’s catch-basin for storm water runoff. Not only does this cause considerable damages to park properties, the runoff is also accelerating the erosion of hundreds of miles of waterways within the parks system, flushing around 45,000 tons of silt out into Lake Erie each year. Erosion-control problems can be found in at least 13 of the 17 reservations that make up the park system. At the same time, Greater Cleveland's earliest sewers (primarily within the city and its inner-ring suburbs) are combined sewers. Built around the turn of the 19th century, these sewers carry sewage, industrial waste, and stormwater in a single pipe. When heavy rain events occur, control devices may allow some of the flow (a combination of stormwater and sewage) to overflow into area waterways to prevent urban flooding and damage to wastewater treatment facilities. These events, or combined sewer overflows (CSOs), have resulted in a consent decree with the EPA.3968152010(41.4993°, -81.6944°)(37.09024°, -95.712891°)
48632550City of DenverDenverUSANorth AmericaPublic2017Increased water stress or scarcityMedium-termSeriousTiming of snowfall and runoff coud impact availability of water supply. However, there is some uncertainty on whether total water supply would be impacted.6825452015(39.737567°, -104.9847179°)(37.09024°, -95.712891°)
48754108City of DurhamDurhamUSANorth AmericaPublic2017Increased water stress or scarcityMedium-termSeriousWe have not studied this. My answer is just educated guess.2508152015(35.994°, -78.8986°)(37.09024°, -95.712891°)
48854078City of HaywardHaywardUSANorth AmericaPublic2017Increased water stress or scarcityCurrentExtremely seriousStatewide drought. Although California experienced record precipitation during the winter of 2016-2017, the repercussions of the State's multi-year drought will continue to impact water resources in the future.1589852016(37.6689°, -122.0808°)(37.09024°, -95.712891°)
48959535Town of Vail, COVail, COUSANorth AmericaPublic2017Increased water stress or scarcityLong-termSeriousColorado water basin water scarcity for western U.S.53052010(39.6403°, -106.3742°)(37.09024°, -95.712891°)
49035475City of CalgaryCalgaryCanadaNorth AmericaPublic2017RegulatoryCurrentSeriousRegulatory risks related to water supply and water quality affecting infrastructure investments and operational costs.12350552016(51.048615°, -114.070846°)(56.130366°, -106.346771°)
49154075City of LakewoodLakewoodUSANorth AmericaPublic2017Increased water stress or scarcityMedium-termSeriousWarmer water temperatures could cause many indicators of water quality to decline. Lower streamflows could lead to increasing concentrations of pollutants. Warmer stream temperatures could have direct and indirect effects on aquatic ecosystems, including the spread of non-native species and diseases to higher elevations. Changes in streamflow timing could also affect riparian ecosystems. (Climate Change in Colorado: A Synthesis to Support Water Resources Management and Adaptation, 2014)1525892015(39.7047°, -105.0814°)(37.09024°, -95.712891°)
49254075City of LakewoodLakewoodUSANorth AmericaPublic2017Increased water stress or scarcityShort-termExtremely seriousChanges in the snowpack and in streamflow timing could affect reservoir operations, including flood control and storage. Changes in the timing and magnitude of runoff could affect the functioning of diversion, storage, and conveyance structures. (Climate Change in Colorado: A Synthesis to Support Water Resources Management and Adaptation, 2014)1525892015(39.7047°, -105.0814°)(37.09024°, -95.712891°)
49310495City of Las VegasLas VegasUSANorth AmericaPublic2017Increased water stress or scarcityCurrentSeriousLake Mead, which is 90% of Southern Nevada's supply, is currently less than 50% of capacity, and continues to decline. Southern Nevada Water Authority officials have also been studying and have water rights in Eastern Nevada and will develop a groundwater importation project (pipeline) in the event water levels continue to decline.6401742016(36.1699412°, -115.1398296°)(37.09024°, -95.712891°)
49410495City of Las VegasLas VegasUSANorth AmericaPublic2017Increased water stress or scarcityMedium-termLess seriousWith more intense and frequent rainfall comes the risk of flooding. Much of the regional flood control network that has developed since 1985 has mitigated flood risks, but more flood control is needed as development continues.6401742016(36.1699412°, -115.1398296°)(37.09024°, -95.712891°)
49536410City of MemphisMemphisUSANorth AmericaPublic2017Increased water stress or scarcityLong-termSeriousMemphis's water supply comes from groundwater in aquifers. While there are no immediate concerns about scarcity, there may be long-term implications for water supply especially if drought conditions happen more frequently and recharge is not adequate.6557002015(35.149534°, -90.04898°)(37.09024°, -95.712891°)
49636410City of MemphisMemphisUSANorth AmericaPublic2017Increased water stress or scarcityLong-termSeriousMemphis's drinking water supply, an unconfined sand aquifer, is vulnerable to contamination particularly from chlorinated solvents or degreasers and gasoline which do not biodegrade.6557002015(35.149534°, -90.04898°)(37.09024°, -95.712891°)
49735870City of MiamiMiamiUSANorth AmericaPublic2017Increased water stress or scarcityShort-termExtremely seriousDue to increased rates of saltwater intrusion.4138922014(25.7617°, -80.1918°)(37.09024°, -95.712891°)
49850560City of OaklandOaklandUSANorth AmericaPublic2017Increased water stress or scarcityCurrentExtremely seriousThe state of California is recovering from a serious four year drought, which required exceptional water conservation measures to address the impacts of a limited snowpack and unsustainably depleted groundwater supply. As a result of the drought, communities were left with limited access to water and forest and land fires increased in frequency and severity.4190002015(37.8044°, -122.2708°)(37.09024°, -95.712891°)
49950560City of OaklandOaklandUSANorth AmericaPublic2017Increased water stress or scarcityLong-termExtremely seriousIncreased flooding from rising waters could endanger residents and businesses in low-lying areas. According to Cal-Adapt (California Energy Commission), California may see 140 cm sea level rise within the 21st century. Saltwater intrusion may also contaminate freshwater supplies with expected sea level rise.4190002015(37.8044°, -122.2708°)(37.09024°, -95.712891°)
50055801City of West Palm BeachWest Palm BeachUSANorth AmericaPublic2017Increased water stress or scarcityShort-termExtremely seriousLess frequent rainfall and prolonged drought periods place stress on the total water supply for the community.1067792016(26.715342°, -80.053375°)(37.09024°, -95.712891°)

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created Aug 24 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.
The cities most concerned about their water supply lie in Asia and Oceania (84%); with serious risks also identified in Africa (80%) and Latin America (75%). 63% of North American cities deem climate change a risk to water supply, with fewer cities concerned in Europe (34%). 196 cities reported risks of water stress and scarcity; 132 a risk of declining water quality and 103 a risk of flooding.
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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