1. R ecording flows in the Physical Supply-Use Tables: Cola City, Cow Town and Capital Harbor Technical Workshop on the Preparation of Water Accounts in Latin America 1-4 June 2009 Santiago, Chile Michael Vardon United Nations Statistics Division

2. Outline 3 cities Cola CityCola City Cow TownCow Town Capital HarborCapital Harbor For Cola we have a diagram of flows as well as completed supply and use tables For Cow Town and Capital Harbor we have a diagram and need to populate the supply and use tables

3. Soda River Cola City Cow Town Capital Harbor

4. Cola City A city with only one water source – the Soda RiverA city with only one water source – the Soda River A simple economyA simple economy Soft drink manufacture (ISIC 11)Soft drink manufacture (ISIC 11) Electricity (ISIC 35)Electricity (ISIC 35) Water supply (ISIC 36)Water supply (ISIC 36) Sewerage (ISIC 37)Sewerage (ISIC 37) Transport (ISIC 49)Transport (ISIC 49) HouseholdsHouseholds

5. Soda River Water Supply Industry ISIC 36 Cola City Transport ISIC 49 Soft Drink Production ISIC 11 Hydro-Electricity production ISIC 35 100 30 62 5 4 150 149 1 Sewerage Treatment ISIC 37 6 2 16 6 Losses 14 Losses 1 Losses 4 24 5 26 4 48 Only households in city

6. Cola City – Physical use table

7. Cola City – Physical supply table

8. Cola City – Physical supply-use table

9. Cow Town ( Upstream of Cola City ) A city with two water sourcesA city with two water sources The Soda River (Surface water)The Soda River (Surface water) Ground waterGround water The economyThe economy Agriculture (ISIC 01)Agriculture (ISIC 01) Food manufacturing (ISIC 10)Food manufacturing (ISIC 10) Electricity (ISIC 35)Electricity (ISIC 35) Water supply (ISIC 36)Water supply (ISIC 36) Sewerage (ISIC 37)Sewerage (ISIC 37) Transport (ISIC 49)Transport (ISIC 49) HouseholdsHouseholds

10. Soda River Transport ISIC 49 Agriculture ISIC 01 Electricity production ISIC 35 Sewerage Treatment ISIC 37 Losses 1 Losses 80 Cow Town Households Manufacture of Food ISIC 10 Ground water Agriculture ISIC 01 60 20 200 30 35 32 5 25 14 4 20 Ground water 5 630 18 24 4 3 240 120 10 5 Water Supply Industry ISIC 36 Water Supply Industry ISIC 36 2 5 2 1 Losses 6 Losses 11

11. Cow Town – Physical use table

12. Cow Town – Physical supply table

13. Capital Harbor Downstream from Cow Town and Cola CityDownstream from Cow Town and Cola City A sophisticate scenic city with a booming economy:A sophisticate scenic city with a booming economy: Manufacture (ISIC 10-32)Manufacture (ISIC 10-32) Water supply (ISIC 36)Water supply (ISIC 36) Sewerage (ISIC 37)Sewerage (ISIC 37) Water Transport (ISIC 50)Water Transport (ISIC 50) Accommodation and food service (55-56)Accommodation and food service (55-56) Computer programming (ISIC 62)Computer programming (ISIC 62) Public administration (ISIC 84)Public administration (ISIC 84) HouseholdsHouseholds

14. Households Capital Harbor Households Water Supply Industry ISIC 36 Water Supply Industry ISIC 36 20 125 8 6 12 10 2 2 69 3 16 15 12 3 1 Sewerage Treatment ISIC 37 Sewerage Treatment ISIC 37 Manufacturing ISIC 10-32 Accommodation and food service ISIC 55-56 Public Administration ISIC 84 Water transport ISIC 50 Computer programming ISIC 62 5 110 40 10 6 Desalinised water 2 2 Rain

15. Capital Harbor – Physical use table

16. Capital Harbor – Physical supply table