Water demand

Water DemandAnup Ghimire

Sust

aina

ble

Deve

lopm

ent G

oals

UN Sustainable Development GoalsGoal 6: ensure availability and sustainable management of water and sanitation for all

Targ

et 6

.1 By 2030, universal and equitable access to safe and affordable drinking water for all

Agriculture70%

Industry20%

Domestic use10%

Water Consump-

tion

Acce

ss to

safe

dr

inkin

g wa

ter

76 percent of the world population had access to safe drinking water in 1990 which increased to 89 percent in 2010 One in ten people of

the world are lacking safe water

Wat

er a

s hum

an

right Safe, acceptable and

affordable water for personal and domestic uses has been recognized as a

human right….UN

Wat

er S

tress

Water stress is the ratio of

total withdrawals to total renewable supply

High Water Stress Regions:

Middle East countries, Kazakhstan, Uzbekistan, Mongolia, Libya and Morocco Low Water Stress Regions:

central African countries, Norway, Brazil, Bolivia, Bangladesh, Bhutan and Thailand

Wat

er st

ress

Spatial and temporal variation of freshwater availability makes even distribution of water difficult increasing population

of the world increases pressure on water supply and distribution

Solu

tion

Meas

ures

Building ReservoirsDesalinationRainwater Harvesting

Build

ing

Rese

rvoi

r Building reservoirs is an option to tackle climatic anomalies and changing rainfall patterns however its cost effectiveness should be considered

Desa

linat

ion More than 120 countries around the

world including Saudi Arabia, Oman, UAE and Spain have been using desalination plants to provide drinking water

Desa

linat

ion

Desalination plant with a capacity to provide water to 1 million people has been established by Thames Water in London in 2010

Desa

linat

ion

Tampa Bay desalination plant of USA, Point Lisas, Trinidad and Almeria, Spain are some of the largest desalination plants

Refe

renc

es

http://www.bbc.co.uk

http://www.hbfreshwater.comhttp://www.wri.org

http://www.un.org http://www.water.or

gwww.worlometers.info