The document discusses a voluntary intersectoral water transfer program in the Llobregat River Basin in Spain. It aims to address endemic water shortages by having farmers release freshwater in exchange for treated wastewater from cities for irrigation. An economic assessment found it to be the cheapest alternative and increased farmers' incomes while guaranteeing water supplies. Distributional effects were positive as farmers and the administration cooperated in the decision-making process, improving their relationship. The program demonstrates the success of voluntary water exchanges in ensuring availability for agriculture and urban uses during droughts.
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projects, such as dams and reservoirs, to meet increased demands for water. This supply-side approach, however, is under increasing pressure from climate change, rapid population and economic growth and even land-use changes impacting the availability of good quality water of sufficient quantities. To enhance urban water security, water managers are turning towards demand-side management.
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Designing Hong Kong is a not-for-profit organisation focused on sustainable urban planning. See: www.designinghongkong.com
The need for allocation and management occurs when the uses become rival and trade-offs emerge.
Fundamentally the concept of benefit sharing becomes a good idea when the strategically selected and placed investments planned at a basin level is more profitable than when done at a country level.
Water accounting can be defined as the systematic study of the current status and future trends in water supply, demand, accessibility and use within a specified spatial domain. The concept of water accounting is based on the argument that knowledge of the current status of water resources, the capacity and condition of water supply infrastructure and trends in water demand and use is a precondition for successful water management, Land and Water Days in Near East & North Africa, 15-18 December 2013, Amman, Jordan
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Hong Kong's water supply comes from two sources: the rainfall we collect in our reservoirs (20-30%) and water we buy from the Mainland (70-80%). The current agreement for water from the Dongjiang, a tributary of the Pearl River, will expire in 2015. With demand for water growing sharply throughout the Pearl River Delta and the supply of water compromised by pollution and climate change, Hong Kong's future access to clean water is far from certain.
In our drive to become a sustainable city, should Hong Kong become self-sufficient? Should we increase the size of our reservoirs? Follow Singapore and recycle our waste water? Build plants to desalinate seawater? What other possible methods are there? Who's going to pay?
CitySpeak invites you to join Hong Kong officials, academics and planners in this discussion about our water issues.
The keynote speaker is Mr. LT Ma, Director of the Water Supplies Department, who will set the scene and outline the current situation in Hong Kong. The discussion will be moderated by Mr. Mike Kilburn, Environmental Programme Manager, Civic Exchange.
Background reading
"Liquid Assets -- Water security and management in the Pearl River Basin and Hong Kong" by Civic Exchange, November 2009 (http://www.civic-exchange.org/eng/upload/files/091204LiquidAssets.pdf). For more information about water in China, visit http://www.asiawaterproject.org/. Civic Exchange is a Hong Kong independent non-profit think tank. See: www.civic-exchange.org
Designing Hong Kong is a not-for-profit organisation focused on sustainable urban planning. See: www.designinghongkong.com
The need for allocation and management occurs when the uses become rival and trade-offs emerge.
Fundamentally the concept of benefit sharing becomes a good idea when the strategically selected and placed investments planned at a basin level is more profitable than when done at a country level.
Water accounting can be defined as the systematic study of the current status and future trends in water supply, demand, accessibility and use within a specified spatial domain. The concept of water accounting is based on the argument that knowledge of the current status of water resources, the capacity and condition of water supply infrastructure and trends in water demand and use is a precondition for successful water management, Land and Water Days in Near East & North Africa, 15-18 December 2013, Amman, Jordan
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It then considers how these devices and technologies may be linked together into a coherent, ultimately participating in the "device cloud" that is known as the Internet of Things.
It speculates as to the the social and cultural impact of the mass adoption of wearable technology. It explores this through a scenario called the Internet of Bling.
A video of the presentation session will be made available on the Worthing Digital website in the near future.
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Ses 3 wg2_molinos_econ_distrissueslowerebro
1. Voluntary
intersectoral
water transfer at
Llobregat River
Basin: Economic
and distributional
issues
Evaluating Economic Policy Instruments for
Sustainable Water Management in Europe
The research leading to these results has received funding from the
European Community’s Seventh Framework Programme (FP7/2007-2013) /
grant agreement n° 265213 – project EPI-WATER “Evaluating Economic
Policy Instrument for Sustainable Water Management in Europe”.
María Molinos, Francesc
Hernández and Ramón Sala
University of Valencia
Berlin, 26 January 2012
1. Llobregat River Basin
Barcelona city
1,619,337 inhabitants
Area: 4,948 km2
Length: 156.5 km
1
1
1
2. 2. Why to implement the EPI?
ENDEMIC WATER SHORTAGES:
The Llobregat River is the main source of irrigation water
p
providing in normal conditions 1.5 m3/s. In shortage p
g
g periods is
3/s.
reduced to 0.8 m
During drought conditions, the extraction of the Llobregat
aquifers exceeds the natural recharge.
El Prat de Llobregat and Sant Feliu de Llobregat WWTPs had
tertiary treatment.
Royal Decree 1620/2007 establishes the legal framework for
the reuse of regenerated water.
Severe drought 2007-2008
2
3. Description of the EPI
OBJECTIVES:
Economic: ensure the supply of water for urban and
agricultural demands that will an increase in economic
activity.
Environmental objective: improve the river flow, create a
hydraulic barrier against seawater intrusion and maintain
and restore wetlands.
Social objective: increase the income of farmers.
3
1
2
3. 3. Description of the EPI
VOLUNTARY INTERSECTORIAL WATER TRANSFER
Integrated Water Resources Management.
Farmers release freshwater and cities provide reclaimed
water. WIN-WIN STRATEGY.
The use of reclaimed water for irrigation purposes
prevents a deflection of river water which can be used for
domestic water supply and for environmental purposes.
Cheapest alternative to guarantee the water availability for
irrigation and domestic purposes and also to improve the
water quality.
4
3. Description of the EPI
MULTI-PURPOSE USE OF RECLAIMED WATER:
Agriculture
River stream flow
Wetlands
Seawater barrier
Municipalities
Recreation
Industry
Total
El Prat de
Llobregat
Ll b
t
WWTP (hm3/yr)
13.09
10.37
6.31
0.91
5.48
36.2
Sant Feliu de
Llobregat
Ll b
t
WWTP (hm3/yr)
7.36
0.11
0.37
0 37
7.84
Source: Cazurra et al., (2008) and Catalonian Water Reuse Program (2009).
5
1
3
4. 4. Economic Assessment Criteria
ALTERNATIVES:
Sea water desalination: 0.45 to 1.0 EUR/m3
W
Water transfer f
f from other areas: 8 38 EUR/ 3 (water transfer
h
8.38 EUR/m
by boat as exceptional measure during severe drought of 2008)
INTERSECTORAL WATER TRANSFER:
El Prat de Llobregat area
Sant Feliu de Llobregat area
Total annual cost
Average unit cost of water release
0.34 EUR/m3
5 245 000 EUR/yr for 13 hm3/yr
1 607 000 EUR/yr for 7.3 hm3/yr
6 852 000 EUR/yr for 20.3 hm3/yr
0.34 EUR/m3
The interserctoral water transfer represents the
cheapest option.
6
4. Economic Assessment Criteria
ECONOMIC IMPACT OF THE USE OF RECLAIMED
WATER FOR AGRICULTURE:
Sant Feliu
El Prat area
area (EUR/yr)
(EUR/yr)
Pumping costs
Fertilizing costs
Sales revenue
Conveying reclaimed water
Change of farmers´ income
Total (EUR/ )
T t l (EUR/yr)
- 62 672
-321 177
- 383 849
-10 419
- 30 017
- 40 436
- 388 139
0
- 388 139
208 390
120 066
328 456
252 840 (20%) 231 127 (5%) 483 967 (25%)
Source: FAO (2010)
The investment of one euro in the use of reclaimed water
creates an income increase in agriculture of EUR 1.6 and
EUR 1.9 at Sant Feliu and El Prat area respectively.
7
1
4
5. 4. Economic Assessment Criteria
ECONOMIC IMPACT AT WATERSHED LEVEL (IWRM):
Costs:
• Water regeneration (additional cost to water treatment)
• Transport regenerated and released water
Benefits:
• Increase in the income of the farmers
• City benefit (freshwater volume released by farmers multiplied by
the domestic water price)
8
4. Economic Assessment Criteria
ECONOMIC IMPACT AT WATERSHED LEVEL (IWRM):
Cost of additional treatment
Cost of conveying water and released
freshwater
TOTAL COST OF WATER TRANSFER
Farmers´ income increase
City benefit
y
TOTAL BENEFIT OF WATER TRANSFER
TOTAL NET BENEFIT OF WATER
TRANSFER
Sant Feliu
area
(EUR/yr)
589 000
El Prat
area
(EUR/yr)
3 685 000
4 274 000
1 018 000
1 550 000
2 568 000
Total
(EUR/yr)
1 607 000 5 245 000 6 852 000
253 000
231 000
484 000
8 126 000 14 430 000 22 556 000
8 379 000 14 631 000 23 010 000
6 772 000
9 386 000 16 158 000
9
1
5
6. 4. Economic Assessment Criteria
ECONOMIC IMPACT AT WATERSHED LEVEL (IWRM):
There has not been cost saving for water users since they
have to pay the cost of conveying the reclaimed water and
the released freshwater.
Additional benefits such as increase in farmers income and
an improvement in the water availability for the
municipalities.
p
g
quantity
y
An important risk-reducing role in the area. Water q
and quality is guaranteed even in summer.
The cost of additional treatment is paid by the citizens and
transport cost is paid by farmers. (All costs are recovered).
10
5. Distributional Effects and Social Equity.
STAKEHOLDERS:
Farmers
W
Water company (Barcelona)
(B
l
)
Water administration (regional and local level)
Environmental administration
The cooperation and negotiation process between
farmers and water supply company was essential (winwin strategy).
11
1
6
7. 5. Distributional Effects and Social Equity.
FARMERS:
The support of the farmers was essential for the success of
the EPI: they were involved ea y by s o
e
ey e e
o ed early
showing them the
g e
e
benefits of the project.
Health problems: have not been detected. Royal Decree
1620/2007 specifies quality criteria for regenerated water.
Guidelines to avoid health problems.
Education: key aspect inform about quality problems of
products and salinity in the soil.
Employment levels: unchanged.
12
5. Distributional Effects and Social Equity.
FARMERS:
Cooperation between farmers and administration has
reduced the need of bureaucracy to a minimum
minimum.
Farmers have actively participated in the decision-making
process and they feel that the administration takes into
account their interests before adopt final decisions in water
management.
The relationship between farmers and administration has
improved.
13
1
7
8. 5. Distributional Effects and Social Equity.
WATER ADMINISTRATION AND WATER SUPPLY COMPANY:
The most important benefit was the guarantee of water
availability for citizens even during droughts
droughts.
Education: Because of water scarcity problems, major
education campaigns were developed aimed at reducing the
water consumption by domestic users.
Employment: positively influenced. New workers have been
hired to meter the supplied water and to supervise and
maintain the tertiary treatment for regenerating the treated
water.
14
6. Conclusions and Lessons Learnt.
The severe drought in 2007-2008 in the LRB showed that it
was necessary to take measures to improve water availability
(agriculture and urban uses). The solution had to be suitable
from economic and environmental point of view taking into
account the institutional context.
Voluntary intersectoral water transfer between farmers and
cities has been identified as a plausible solution.
Regenerated water is used for irrigation purposes Freshwater
purposes.
for urban supply is released.
Main advantage: water availability for both uses even in
drought times.
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9. 6. Conclusions and Lessons Learnt.
ECONOMIC ASSESSMENT:
• The EPI was designed to increase the benefits for both farmers and
municipalities.
• The cost of freshwater released is lower than the water cost for citizens
citizens.
• Success of the instrument: water exchange between farmers and the city
provides additional water at considerably low cost.
DISTRIBUTIONAL EFFECTS AND SOCIAL EQUITY:
• Cooperation and negotiation process between farmers and water
administration.
• Success of the instrument: consider the opinion of farmers from the
beginning of the process and not attempting to impose any policy.
•
Opportunities to develop strong future cooperation and agreements
between farmers and administration.
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Thanks!
The research leading to these results has received funding from
the European Community’s Seventh Framework Programme (FP7/2007-2013) / grant agreement n° 265213 –
Project EPI-WATER “Evaluating Economic Policy Instrument for Sustainable Water Management in Europe”.
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