water resource acct for rsa

Water Resource Accounts for South Africa: 

Water Resource Accounts for South Africa Jackie Crafford (ZETA Consulting) Prof Rashid Hassan (CEEPA)

Table of Contents: 

Table of Contents A History of WRA in South Africa Water as a natural resource in South Africa Development imperatives versus water scarcity Water management principles Physical WRA: Structure Physical WRA: Data and data sources Monetary WRA The importance of WRA to StatsSA andamp; DWAF Recommendations for others doing WRA

Water Resource Accounting In South Africa: 

Water Resource Accounting In South Africa Towards WRA for RSA 1991-1998 (RANESA; CSIR; DEAT/DWAF/WRC/AG) Upper Vaal River Account (StatsSA) RSA National Account 2000 (StatsSA) Current (RANESA; ZETA Consulting; StatsSA/DWAF)

Water as a natural resource in South Africa : 

Water as a natural resource in South Africa Population ~ 47 million GDP ~ US$ 200 billion Water yield ~ 13 billion m3

Water as a natural resource in South Africa: 

Water as a natural resource in South Africa

Development imperatives versus Water Scarcity: 

Development imperatives versus Water Scarcity Rural (domestic andamp; stock watering) Urban (Direct (domestic) andamp; Indirect (industrial, commercial, communal)) Mining andamp; Bulk (not via municipalities) Power generation Irrigation Afforestation Transfers

Water management principles: 

Water management principles National Water Act (1998), NWRS Equity, sustainability, efficiency Water Management Areas Catchment Management Agencies MAR andamp; Yield Transfer schemes

Water Management Areas of South Africa: 

Water Management Areas of South Africa

MAR & Yield: 

MAR andamp; Yield Natural Mean Annual Runoff – 49 billion m3 Ecological Reserve – 9.5 billion m3 Dam Storage Capacity – 32 billion m3 Yield – 13.2 billion m3 Natural Resource: Surface Water (77%) Natural Resource: Ground Water (8%) Usable Return Flows (14%)

Yield: 

Yield

Yield vs MAR: 

Yield vs MAR Mean Annual Runoff Yield 1.0 2.0 0.2 60% 70% 30% Evaporation

Transfer Schemes: 

Transfer Schemes

Water flow through the economy: 

Water flow through the economy

Physical WRA: Structure of Supply Table (SEEA, 2003): 

Physical WRA: Structure of Supply Table (SEEA, 2003)

Physical WRA: Structure of Use Table (SEEA, 2003): 

Physical WRA: Structure of Use Table (SEEA, 2003)

Physical WRA: Adapted SA Supply & Use Table: 

Physical WRA: Adapted SA Supply andamp; Use Table

Physical WRA: Adapted SA Supply & Use Table: 

Physical WRA: Adapted SA Supply andamp; Use Table S1 S1 S1, U1 S2 S2 S2, U2 S3, U3

Physical Accounts: Data and data sources: 

Physical Accounts: Data and data sources Evaporation, transpiration Assurance Water year (October-September) Sources (Dates) Water measurement Hydrological Modelling Dam Balances (Yield) Publications ISP Process andamp; Documents Ecological Reserve Dryland agriculture Asset Account

Monetary WRA: Data: 

Monetary WRA: Data Water year vs Financial year Spatial water data vs Spatial economic data SIC classification vs Water Management classification Operation of water management tiers vs National Statistics

Monetary WRA (Source: CSIR 2001): 

Monetary WRA (Source: CSIR 2001)

SA Monetary WRA: 

SA Monetary WRA Water Management Tiers Administered tariffs and subsidies

The importance of WRA to StatsSA & DWAF: 

The importance of WRA to StatsSA andamp; DWAF Improved data collection and interpretation VAD as a measure of water value? NO Compulsory licensing ~ water markets? Other valuation techniques

Recommendations for others doing WRAs: 

Recommendations for others doing WRAs Stakeholder involvement Alignment to water legislation (terminology, objectives) Relevance of outputs Internalisation of values