1. Workshop Urban Management, ITB Dr. Ir. Suardi Natasaputra
WATER RESOURCES MANAGEMENT
FOR SUSTAINING WATER USE PURPOSES
IN West Java province
Presented in
Workshop Urban Management, ITB
Bandung, 3 March 2011
By :
Dr. Ir. Suardi Natasaputra
WATER RESOURCES MANAGEMENT SERVICES WEST JAVA PROVINCE
Indonesia

2. Topics General Information of West Java Province
Problems and related with climate change
Development Strategies
Conclusion and Recommendation for Research

3. WEST JAVA PROVINCE Area : 37,060.4 km2 Adm regions: 17 regencies, and
9 municipalities
Population (2007):
± 41.5 million peoples

4. Land Use

5. WS. Cimanuk Cisanggarung
River Basin
WS. Citarum
WS. Ciliwung Cisadane
WS. Cimanuk Cisanggarung
WS. Citanduy
WS. Cisadea Cibareno
Water Resources Development and Management based on the River Basin
WS. Ciwulan Cilaki

6. Potential of Surface Water Available and Catchment Area
in 6 River Basins
River Basin
Area
(Km2)
Water Potential (million m3/year)
Province
Regency
Total
Cisadane-Ciliwung
3,675.4
5,376.27
162.36
5,538.63
Cisadea-Cibareno
6,693.6
4,908.71
6,078.76
10,987.47
Citarum
11,436.9
10,990.79
1,933.63
12,924.43
Cimanuk-Cisanggarung
7,157.5
7,572.64
305.43
7,878.07
Citanduy
2,682.0
2,341.65
1,200.94
3,542.59
Ciwulan-Cilaki
5,415.0
4,727.83
2,424.73
7,152.60
SUM
37,060.4
35,917.91
12,105.86
48,023.77

7. Water Resources System And Infrastructures
WRS & Infrastructures
Unit
Total
River
Numbers
3,277
Lake
619
Large Dam 3
Medium & Small Dams 25
Coastal length Km
723.65
Irrigation Schemes
Number
6,951

8. Irrigation Area In West Java Province
Number
Under Authority
No of Schemes
Area
(Ha) 1
Central Goverment 20
405,864 2
West Jawa Province 87
87,034 3
Local Government (Regencies & Municipalities)
398
97,339 4
Village Irrigation
6,449
382,691 5
Rainfed Area
113,980
SUM
6,952

9. Irrigation Area in West Java
Large schemes
Rural irrigation
(small schemes)
Irrigation area 9

10. WATER RESOURCES UTILIZATION WATER RESOURCES UTILIZATION MODEL
Catchment
Area
Infrastructure
Agriculture
Domestic
Municipal
Industry
Lake
River
Head Works
Irrigation & marshland
Irrigation
Land
Low land
sea
Municipal
Groundwater pump 10
Supply
Distribution
Demand

11. Water Availability and Water Used Comparisons (MCM)/yearNo
River Basin
Water
Availability
Water Used (million) m3/year
Total Water Used
Surplus
Irrigation
DMI (SIPPA ) 1
Ciliwung-Cisadane
5.538,63
1.252,32
202,94
1.455,26
4.083,37 2
Cisadea-Cimandiri
10.987,47
3.139,20
473,74
3.612,94
7.374,53 3
Citarum
12.924,43
7.411,78
930
8.341,78
4.582,65 4
Cimanuk-Cisanggarung
7.878,07
5.072,67
42,43
5.115,1
2.762,97 5
Citanduy-Ciwulan
10.695,19
3.395,26
46,45
3.441,71
7.253,48
Jumlah
48.023,79
20.271,23
1.694,56
21.966,79
26.057

12. Problems and Related with Climate Change
Existing Problems
Impact of Climate Change
(source: Ludwig. F, and Marcus Moench)
Flood & drought, due to:
Hydrology Environmental Degradation of the basins,
Higher rainfall intensity
Longer rainfall period
Lead to increase runoff, less infiltration rate.
Groundwater degradation:
Uncontrolled water discharge
Less infiltration rate
Reduce groundwater level, lead to reduce base flow
On flood & drought:
Higher variability of rainfall,
Extreme rainfall occur more often,
Less rainfall and increase evaporation, reduced stream flow.
Very little research on the impacts of climate change on groundwater, uncertain impact. Variability of rainfall will affect recharge rates.

13. Problems and Related with Climate Change Impact of Climate Change
Existing Problems
Impact of Climate Change
(source: Ludwig. F, and Marcus Moench)
Water quality degradation:
Waste water pollutant from domestic & industries
Garbage
High sediment content
Lead to high cost of WTP
Coastal erosion (abrasion):
Environmental degradation destroying mangrove tree
High ocean wave
Lack of treatment structures
Water quality and health:
Higher temperature of surface water will increase algal blooms, microbial activity and bacterial population.
Lack of proper sanitation, warmer climate will increase the risks of water-borne diseases.
Global warming will cause significant melting of glaciers, which will increase sea levels. 13

14. FLOOD POTENTIAL AREAS IN WEST JAVA Kab.Karawang 11.060 Ha
Kab.Indramayu Ha
Kab.Bekasi Ha
Kab.Subang
2.710 Ha
Kota Tasikmalaya
10 Ha
Kab.Bandung
2.701 Ha
Kab.Tasikmalaya
70,50 Ha

15. Future problem
2000: Jiwa
2005: Jiwa
2009: Jiwa*
2010: Jiwa
2015: Jiwa
2020: Jiwa
2025: Jiwa
*Data Jawa Barat Dalam Angka 2009, BPS
Land-use change due to urbanization  needs more water supply
Source: Brinkman J.J, Deltares 2011

16. Climate Change - Trend analysis annual rainfall in Bandung basin, Period 1879-2007
Source: Brinkman J.J, Deltares 2011

17. Impact of climate change ?
Climate Change - Trend analysis average seasonal discharge in Nanjung Citarum basin, Period
Impact of climate change ?

18. Impact of climate change ?
Climate Change - Trend analysis average seasonal dischage in Tomo Cimanuk basin,
Period
Impact of climate change ?

19. Impact of climate change ?
Climate Change - Trend analysis average seasonal discharge in Tegal Datar Cimandiri basin, Period
Impact of climate change ?

20. Water Resources Management
VISION:
Optimal services, equitable and sustainable.
Grand Strategies:
Irrigation service development, in order to support the national food production.
Raw water capacity development for domestic, municipal and industries, in order to support the health of community and regional economic development.
Water conservation and flood management, in order to increase the environmental quality and productive territory development.
Information system development, in order to increase the empowerment and community participation in the water resources management.

21. Improvement of Irrigation Management Performance
Improve efficiency:
At the farm level: improve cropping pattern, crop type, water allocation procedure, and System of Rice Intensification (SRI).
At the networks level reduce losses by: Rehabilitation, canal lining, flow control system.
At the basin level,  concept of reuse water.
Deliver water to the farmers on right quantity and right time improve service agreement, and water allocation system.
Ease operation and reduced cost of O&M 21 21

22. Measure Strategies of the Raw Water Capacity Development
Rehabilitation of the existing small lake (total identified is about 620)
Construction of Jatigede Reservoir (On going project)
The development of small reservoirs in the upstream of the river basin.
The development of field reservoir or canal storage in the downstream of the river basin.

23. Water Conservation and Flood Control Management
Watershed Management, to increase base flow and to reduce peak flood and erosion rate.
Land-use Regulation, to ensure that communities are not allowed to develop on flood plain
Flood control structure
Mitigation, to reduce the effect of flood disaster on communities:
warning system,
Strengthening buildings to be more resistant against flood
Changing crop cycle and cropping patent
Economic diversification
Food storage programs 23

24. RESERVOIRS (DAMS) LOCATION PLAN
SADAWARNA Dam
CIMETA Dam
CIKAPUNDUNG Dam
CIPANAS SAAT Dam
1. Volume : M3
2. Inundation area : 10,80 Ha.
3. Water Use : DMI for Kab Bandung,, Flood Retention, and Irrigation
4. Status : DED 2006
5. Cost of Const. : Rp. 147,5
Billion
1. Volume : M3
2. Inundation area : 31 Ha.
3. Water Use : DMI for Kab. Bandung,
Flood Retention and Irrigation,
4. Status : DED 2004
5. Cost of Const. : Rp. 25,5 Billion
1. Volume : 13,5 Juta M3
2. Inundation area : 230 Ha.
3. Water Use : DMI for Kab. Subang
Flood Retention and Irrigation,
4. Status : Sertifikasi (2009)
5. Cost of Const. Rp. 225 Billion
1. Volume : 1,4 Juta M3
2. Inundation area : 48,24 Ha.
3. Water Use : DMI for Kertajati
Aerocity., Flood Retention and
Irrigation.
4. Status : DED (2007)
5. Cost of Const. : Rp. 50 Billion.
CIWIDEY Dam
1. Volume : 1,18 Juta M3
2. Inundation area : 10,16 Ha.
3. Water Use : DMI for Kab/
Kota Bandung,-Cimahi,
Irrigation, and Flood
Retention
4. Status : DED 2005
5. Cost of Const. : Rp. 72 Billion
WS Cidanau-Ciujung-Cidurian-Cisadane-Ciliwung-Citarum
WS Cimanuk-Cisanggarung
CITEPUS Dam
1. Volume : M3
2. Inundation area : 6,74 Ha.
3. Water Use : DMI for Pelabuhan
Ratu Sub District, Flood Retention
and Irrigation
4. Status : Sertifikasi (2009)
5. Cost of Const. : Rp. 60 Billion
PROPOSED OF KERTAJATI INTERNATIONAL AIRPORT LOCATION
WS Cisadea-Cibareno
SENTOSA Dam
1. Volume : M3
2. Inundation area : 42,5 ha.
3. Water Use : DMI for
Kab./Kota Bandung,Flood
Retention and Irrigation,
4. Status : DED (2007), Re-DED
2009 by BBWS
5. Cost of Const. : Rp. 750
Billion.
SUKAWANA Dam
1. Volume : M3
2. Inundation area : 16,08 Ha.
3. Water Use : DMI for Bandung /
Cimahi, Flood Retention and
Irrigation,
4. Status : DED (2004)
5. Cost of Const. : Rp. 113,5
Billion
WS Ciwulan-Cilaki
CITARIK Dam
WS Citanduy
1. Volume : M3
2. Inundation area : 11,19 Ha.
3. Water Use : DMI for Kab./Kota
Bandung, Flood Retention
and Irrigation,
4. Status : DED (2004)
5. Cost of Const. : Rp. 61,71
Billion
SUKAHURIP Dam
1. Volume : M3
2. Inundation area : 13,82 ha.
3. Water Use : DMI for
Kec..Pangandaran,,Flood
Retention and Irrigation,
4. Status : DED (2007)
5. Cost of Const. : Rp. 113,5
Billion.

25. THE WATER SOURCES POTENTIAL SCHEME FOR BANDUNG AREA
Plan of Sukawana Dam
Volume = m3
Inundation = 40,70 Ha
Status = DED 2004
Const. Cost = Rp ,-
Rencana 5 Wdk Kecil
Plan of Cikapundung Dam
Volume = m3
Inundation = 15,29 Ha
Status = DED 2004
Const. Cost = Rp ,-
Wdk Ciawiruka
Status = Identifikasi
Cipanengah 1, 2 dan 3.
Plan of Cimeta Dam
Volume = m3
Inundation = 10,80 Ha
Status = DED 2006
Const. Cost = Rp ,-
S. Cimeta
S. Cimahi
S. Juanda
S. Citarum
S. Citarik
S. Cirata
S. Cikapundung
Plan of Citarik Dam
Volume = m3
Inundation = 37,63 Ha
Status = DED 2004
Const. Cost = Rp ,-
S. Saguling
WESTERN OF BANDUNG
Plan of Ciwidey Dam
Volume = m3
Inundation = 7,53 Ha
Status = DED 2005
Const. Cost = Rp ,-
BANDUNG CITY
EASTERN OF BANDUNG
Plan of Cibatarua Dam
Volume = 1 Juta m3
Inundation = 7 Ha
Status = DED 2005 (APBN)
Const. Cost = Rp ,000,-
(included Santosa Dam)
S. Ciwidey
SOUTHERN OF BANDUNG
S. Cisangkuy
Plan of Santosa Dam
Volume = m3
Inundation = 42,5 Ha
Status = DED 2007/Re DED 2009
River
Plan of Dam
Existing Dam
DMI service’s area
Interbasin
Interbasin
Water Transfer
Q = 0,8 m3/det
S. Cilaki
S. Cibatarua
SAMUDRA INDONESIA
Skema Potensi SDA di Wil Cekungan Bandung-3

26. INTERNATIONAL AIRPORT
THE WATER SOURCES POTENTIAL SCHEME FOR WESTJAVA INTERNASIONAL AIRPORT TERITORY ( LOCATION AT KERTAJATI SUB DISTRICT OF MAJALENGKA DISTRICT)
Situ Citamiang
Luas = 14,3 Ha ; Luas baku = 31 Ha
Areal diairi = 31 Ha ; Vol = m3.
Rehab & penataan = Rp. 2,5 Milyar
Laut Jawa
Laut Jawa
Rawa Cimaneuh
Luas = 27,9 Ha;
Areal diairi = 20 Ha; Vol = m3
Rehab & penataan = Rp. 3 Milyar
Sal. Rambatan
PROPOSED OF WESTJAVA
INTERNATIONAL AIRPORT
Rawa Jawura
Luas = 55 Ha ; Luas baku = 58 Ha
Areal diairi = 38 Ha ; Vol = m3
Rehab & Penataan = Rp. 4 Milyar
Bd. Rentang = Ha
Rencana Trase Air Baku
S. Cipanas paeh
S. Cilebakjero
S. Cikujang •
L = 5,25 km
S. Cibalida
S. Cibarengkok
S. Cimanuk
S. Cipanas
Plan of Cipanassaat Dam
Volume = 1,59 Juta m3 Inundation = 53,37 Ha
Status = DED 2007
Const. Cost = Rp. 64,8 Billion
S. Cideres
S. Cipanassaat
S. Cimurutud
Cipanas Dam
Volume = 120 Juta m3
Genangan = 795 Ha
Status = DD 2006
Biaya Pemb. = Rp. 115 Milyar
S. Cikasarung •
S. Cipelang
S. Cilutung
Bd. Cariang = 600 Ha
S. Cipelang
S. Cipeles •
S. Cigaruguy
S. Cicacaban
Rencana Wdk Cipelang
Volume = 4,79 Juta m3
Genangan = 189 Ha
Status = Identifikasi 2005
Biaya Pemb. = pm
Plan of Jatigede Dam
Volume = 979,5 Juta m3
Inundated area = Ha
Status = Constructed in 2007
Const. Cost = Rp Billion
S. Ciandana •

27. Conclusion
The existing problems mostly because of environmental degradation, compare with the climate change.
Watershed management is the priority of the conservation activities.
Increasing efficiency and water storage are good strategies for water resources development program.
The impacts of climate change on water in West Java, still uncertainly, needs more research

28. Recommendations Subject of research:
Climate change impacts on environmental and natural ecosystems
Climate change impacts on water quality and health
Groundwater potential and recharge
Automatic flow control structures to increase efficiency of irrigation system
Optimal cropping patent and optimal water use for irrigation, based on the predictable seasonal river discharge as the impact of climate change.
Conservation measures to increase infiltration rate by artificial recharge

29. Thank You

30. Juanda Dam Located in Citarum River
Salient Features :
Cathment Area : Km2
Average Discharge : 175 m3/det
Surface Area : 83 Km2
Storage Capacity : 3,6 x 109 m3
Effektive Storage : 2,5 x 109 m3
Type of Dam : Rockfill Dam
High of Dam : 105 m
Length of Dam : m
DAM PURPOSES
Power Capacity : 215 MW
Service Irrigation Area : Ha
Water Supply : 20 m3/det
Tourism

31. Cirata Dam Located in Citarum River
Salient Features :
Cathment Area : Km2
Surface Area : 62 Km2
Storage Capacity : x 109 m3
Effektive Storage : 7.96 x 106 m3
Type of Dam : Rockfill Dam
High of Dam : 125 m
Length of Dam : m
DAM PURPOSES
Power Capacity : 500 MW
Tourism

32. Saguling Dam Located in Citarum River
Salient Features :
Surface Area : 56 Km2
Storage Capacity : 9,82 x 106 m3
Effektive Storage : 6,9 x 106 m3
Type of Dam : Rockfill Dam
High of Dam : 97,5 m
Length of Dam : 301,5 m
DAM PURPOSES
Power Capacity : 700 MW
Tourism