Water supply and sanitation governance in the periurban interface

1

• Water supply and sanitation governance in the
  peri-urban interface
• Pascale Hofmann
• Development Planning Unit
• University College London

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Water and sanitation

• Inadequate urban supplies in the world 173
  million lack improved water (6) 403 million
  lack improved sanitation (14)
• Shift from concern with technical improvements to
  institutional aspects of service delivery
• Consensus about state unable to supply services
  on its own

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Population not served with improved water supply

• Improved
• Household connection
• Public standpipe
• Borehole
• Protected well
• Protected spring
• Rainwater collection

Total unserved 1.1 billion
Population not served with improved sanitation

• Improved
• Connection to public sewer
• Connection to septic system
• Pour-flash latrine
• Simple pit latrine
• Ventilated improved pit latrine

Total unserved 2.4 billion
Source WHO Global Water Supply and Sanitation
Assessment 2000
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Access to water in LDCs
5
The urban and peri-urban poor pay more for water
6
Water consumption depends on collection time
lpcd litres/capita/day
7
and income
8
Access to water by peri-urban dwellersPolicy-root
ed and needs-rooted practices in the Water wheel
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Access to sanitation by peri-urban dwellers

• Low coverage of underground drainage
• lt5 in Dar es Salaam peri-urban areas
• Alternative sanitation
• septic tanks, pit latrines
• Public toilets
• regularity, sufficiency, affordability, quality
  and safety

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Peri-urban ChennaiState and private informal
water storage and distribution
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Peri-urban ChennaiState-provided water storage
12
Peri-urban Giza (Cairo)Informal water
distribution
13
Peri-urban MexicoState-supported water storage
and distribution
14
Peri-urban Dar es SalaamPrivate water storage
15
Peri-urban CaracasThe State supplies water for
free