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Dam Search Results

Please note: only dams ≥ 15m which have been completed, are under construction, or due to begin RCC placement in the current year are included in the table below.

Results are sorted in the following order: Finish of RCC, Start of RCC, Finish of Project, Start of Project, Height and alphabetical by Dam Name.

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NameCountryOwnerPurposeRiverReservoir capacity (m3x106)Construction datesDimensionsVolumeFacingsPlacementCementitious material
StartFinishHeightLengthRCCTotalUpstreamDownstreamSpillwayLayersLiftsCementPozzolan
ProjectRCCRCCProject(m)(m)(m3x103)(m3x103)SlopeTypeSlopeTypeSlopeType(m)(m)(kg/m3)(kg/m3)
Nam Leuk spillwayLaosHNam Leuk185- /98- /98- /99- /001560             
Nam Mang 3LaosHNam Gnong49- /02- /03- /0401/0528151             
Nakai, part of Nam Theun 2 HPPLaosHNam Theun353004/0402/0603/0710/0939436155200 (1) (10) (12)300300100100(F)
Nam Gnouang (Theun Hinboun Expansion)LaosHNam Gnouang245010/0803/1012/11- /1265480383 V(1)0.80(1)1.00(12)30030090100(F)
Nam Ngum 5
[A]
LaosHNam Ting31410/0811/1112/1212/12101235298421           
Xekaman 1LaosHXe Kaman312003/1205/1307/1512/161203358701065V(3')* (3')* (12)30030070130(F)
Nam Ou 5LaosHNam Ou - /11- /13- /15- /1674445             
Nam Ngiep ILaosHNam Ngiep119209/1404/1604/1808/191675402288 V(3') (3')* (12)3002400 -
3600
80
60
120
70
(F)
Xayaburi (Left bank closure section)LaosHMekong 03/1201/1812/1810/19401098285V(1) (16)  30030060100(F)
Saddle Dam D (Xe-Pian Xe-Namnoy)LaosHXepian104310/1804/1910/19- /1956430170200V   none 300300  (F)
Nam Kong 3LaosHNam Kong47111/1703/1902/2111/2165500347400V(3')0.75(3')*0.75(12)300300075113(F)
Nam Theun 1LaosHNam Kading, aka Nam Theun300908/1501/1901/2207/2218777241414341      3003000100
120
80
130
(F)
Nam Sam 3LaosHNam Xam43510/1907/2104/2306/23122321907987V(3') (3')*    60140(F)
Nam Ngum 4LaosHNam Ngum 02/18- /21- /23- /2474252             

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Please note: only dams ≥ 15m which have been completed, are under construction, or due to begin RCC placement in the current year are included in the list below.

Results are sorted in the following order: Finish of RCC, Start of RCC, Finish of Project, Start of Project, Height and alphabetical by Dam Name.

Full Dam Information

Details

Country: Laos

Owner: -

Type: Gravity

Purpose(s): Hydropower

River: Nam Leuk

Reservoir capacity: 185 m3x106

Construction Dates

Start of Project: -/98

Start of RCC: -/98

End of RCC: -/99

End of Project: -/00

Specifications

Height: 15 metres

Length: 60 metres

Volume of RCC: -

Total volume: -

Construction Methods

Facings

Upstream
SlopeType
  
Downstream
SlopeType
  
Spillway
SlopeType
  

Placement

Layers (mm)Lifts (mm)
  

Cementitious material

Cement (kg/m3)
 
Pozzolan (kg/m3)Pozzolan Type
  
  
Photo coming soon

Full Dam Information

Details

Country: Laos

Owner: -

Type: Gravity

Purpose(s): Hydropower

River: Nam Gnong

Reservoir capacity: 49 m3x106

Construction Dates

Start of Project: -/02

Start of RCC: -/02

End of RCC: -/04

End of Project: 01/05

Specifications

Height: 28 metres

Length: 151 metres

Volume of RCC: -

Total volume: -

Construction Methods

Facings

Upstream
SlopeType
  
Downstream
SlopeType
  
Spillway
SlopeType
  

Placement

Layers (mm)Lifts (mm)
  

Cementitious material

Cement (kg/m3)
 
Pozzolan (kg/m3)Pozzolan Type
  
  
Photo coming soon

Full Dam Information

Details

Country: Laos

Owner: -

Type: Gravity

Purpose(s): Hydropower

River: Nam Theun

Reservoir capacity: 3530 m3x106

Construction Dates

Start of Project: 04/04

Start of RCC: 04/04

End of RCC: 03/07

End of Project: 10/09

Specifications

Height: 39 metres

Length: 436 metres

Volume of RCC: 155 m3x103

Total volume: 200 m3x103

Construction Methods

Facings

Upstream
SlopeType
 Traditional concrete against formwork
Downstream
SlopeType
 RCC against precast concrete blocks
Spillway
SlopeType
 Reinforced conventional concrete cast after RCC placement

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
100
Pozzolan (kg/m3)Pozzolan Type
100Low-lime flyash (ASTM Class F)
  
Nakai, part of Nam Theun 2 HPP completed
Nakai, part of Nam Theun 2 HPP completed

Full Dam Information

Details

Country: Laos

Owner: -

Type: Gravity

Purpose(s): Hydropower

River: Nam Gnouang

Reservoir capacity: 2450 m3x106

Construction Dates

Start of Project: 10/08

Start of RCC: 10/08

End of RCC: 12/11

End of Project: -/12

Specifications

Height: 65 metres

Length: 480 metres

Volume of RCC: 383 m3x103

Total volume: -

Construction Methods

Facings

Upstream
SlopeType
VerticalTraditional concrete against formwork
Downstream
SlopeType
0.80Traditional concrete against formwork
Spillway
SlopeType
1.00Reinforced conventional concrete cast after RCC placement

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
90
Pozzolan (kg/m3)Pozzolan Type
100Low-lime flyash (ASTM Class F)
  
Nam Gnouang (Theun Hinboun Expansion) completed
Nam Gnouang (Theun Hinboun Expansion) completed

Full Dam Information

Details

Country: Laos

Owner: -

Type: Thin Arch

Purpose(s): Hydropower

River: Nam Ting

Reservoir capacity: 314 m3x106

Construction Dates

Start of Project: 10/08

Start of RCC: 10/08

End of RCC: 12/12

End of Project: 12/12

Specifications

Height: 101 metres

Length: 235 metres

Volume of RCC: 298 m3x103

Total volume: 421 m3x103

Construction Methods

Facings

Upstream
SlopeType
  
Downstream
SlopeType
  
Spillway
SlopeType
  

Placement

Layers (mm)Lifts (mm)
  

Cementitious material

Cement (kg/m3)
 
Pozzolan (kg/m3)Pozzolan Type
  
  
Nam Ngum 5 completed
Nam Ngum 5 completed

Full Dam Information

Details

Country: Laos

Owner: -

Type: Gravity

Purpose(s): Hydropower

River: Xe Kaman

Reservoir capacity: 3120 m3x106

Construction Dates

Start of Project: 03/12

Start of RCC: 03/12

End of RCC: 07/15

End of Project: 12/16

Specifications

Height: 120 metres

Length: 335 metres

Volume of RCC: 870 m3x103

Total volume: 1065 m3x103

Construction Methods

Facings

Upstream
SlopeType
VerticalRCC against formwork (GEVR/GE-RCC)  [stepped face]
Downstream
SlopeType
 RCC against formwork (GEVR/GE-RCC)  [stepped face]
Spillway
SlopeType
 Reinforced conventional concrete cast after RCC placement

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
70
Pozzolan (kg/m3)Pozzolan Type
130Low-lime flyash (ASTM Class F)
  
Xekaman 1 completed
Xekaman 1 completed

Full Dam Information

Details

Country: Laos

Owner: -

Type: Gravity

Purpose(s): Hydropower

River: Nam Ou

Reservoir capacity: -

Construction Dates

Start of Project: -/11

Start of RCC: -/11

End of RCC: -/15

End of Project: -/16

Specifications

Height: 74 metres

Length: 445 metres

Volume of RCC: -

Total volume: -

Construction Methods

Facings

Upstream
SlopeType
  
Downstream
SlopeType
  
Spillway
SlopeType
  

Placement

Layers (mm)Lifts (mm)
  

Cementitious material

Cement (kg/m3)
 
Pozzolan (kg/m3)Pozzolan Type
  
  
Photo coming soon

Full Dam Information

Details

Country: Laos

Owner: -

Type: Gravity

Purpose(s): Hydropower

River: Nam Ngiep

Reservoir capacity: 1192 m3x106

Construction Dates

Start of Project: 09/14

Start of RCC: 09/14

End of RCC: 04/18

End of Project: 08/19

Specifications

Height: 167 metres

Length: 540 metres

Volume of RCC: 2288 m3x103

Total volume: -

Construction Methods

Facings

Upstream
SlopeType
VerticalRCC against formwork (GEVR/GE-RCC)
Downstream
SlopeType
 RCC against formwork (GEVR/GE-RCC)  [stepped face]
Spillway
SlopeType
 Reinforced conventional concrete cast after RCC placement

Placement

Layers (mm)Lifts (mm)
3002400  -
 3600

Cementitious material

Cement (kg/m3)
80
60
Pozzolan (kg/m3)Pozzolan Type
120Low-lime flyash (ASTM Class F)
70 
Nam Ngiep I completed
Nam Ngiep I completed

Full Dam Information

Details

Country: Laos

Owner: -

Type: Gravity

Purpose(s): Hydropower

River: Mekong

Reservoir capacity: -

Construction Dates

Start of Project: 03/12

Start of RCC: 03/12

End of RCC: 12/18

End of Project: 10/19

Specifications

Height: 40 metres

Length: 109 metres

Volume of RCC: 82 m3x103

Total volume: 85 m3x103

Construction Methods

Facings

Upstream
SlopeType
VerticalTraditional concrete against formwork
Downstream
SlopeType
 Mechanically compacted unformed face of RCC
Spillway
SlopeType
  

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
60
Pozzolan (kg/m3)Pozzolan Type
100Low-lime flyash (ASTM Class F)
  
Xayaburi (Left bank closure section) under construction
Xayaburi (Left bank closure section) under construction

Full Dam Information

Details

Country: Laos

Owner: -

Type: Gravity

Purpose(s): Hydropower

River: Xepian

Reservoir capacity: 1043 m3x106

Construction Dates

Start of Project: 10/18

Start of RCC: 10/18

End of RCC: 10/19

End of Project: -/19

Specifications

Height: 56 metres

Length: 430 metres

Volume of RCC: 170 m3x103

Total volume: 200 m3x103

Construction Methods

Facings

Upstream
SlopeType
Vertical 
Downstream
SlopeType
    [stepped face]
Spillway
SlopeType
none 

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
 
Pozzolan (kg/m3)Pozzolan Type
 Low-lime flyash (ASTM Class F)
  
Photo coming soon

Full Dam Information

Details

Country: Laos

Owner: -

Type: Gravity

Purpose(s): Hydropower

River: Nam Kong

Reservoir capacity: 471 m3x106

Construction Dates

Start of Project: 11/17

Start of RCC: 11/17

End of RCC: 02/21

End of Project: 11/21

Specifications

Height: 65 metres

Length: 500 metres

Volume of RCC: 347 m3x103

Total volume: 400 m3x103

Construction Methods

Facings

Upstream
SlopeType
VerticalRCC against formwork (GEVR/GE-RCC)
Downstream
SlopeType
0.75RCC against formwork (GEVR/GE-RCC)  [stepped face]
Spillway
SlopeType
0.75Reinforced conventional concrete cast after RCC placement

Placement

Layers (mm)Lifts (mm)
3003000

Cementitious material

Cement (kg/m3)
75
Pozzolan (kg/m3)Pozzolan Type
113Low-lime flyash (ASTM Class F)
  
Photo coming soon

Full Dam Information

Details

Country: Laos

Owner: -

Type: Gravity

Purpose(s): Hydropower

River: Nam Kading, aka Nam Theun

Reservoir capacity: 3009 m3x106

Construction Dates

Start of Project: 08/15

Start of RCC: 08/15

End of RCC: 01/22

End of Project: 07/22

Specifications

Height: 187 metres

Length: 772 metres

Volume of RCC: 4141 m3x103

Total volume: 4341 m3x103

Construction Methods

Facings

Upstream
SlopeType
  
Downstream
SlopeType
  
Spillway
SlopeType
  

Placement

Layers (mm)Lifts (mm)
3003000

Cementitious material

Cement (kg/m3)
100
120
Pozzolan (kg/m3)Pozzolan Type
80Low-lime flyash (ASTM Class F)
130 
Nam Theun 1 under construction
Nam Theun 1 under construction

Full Dam Information

Details

Country: Laos

Owner: -

Type: Gravity

Purpose(s): Hydropower

River: Nam Xam

Reservoir capacity: 435 m3x106

Construction Dates

Start of Project: 10/19

Start of RCC: 10/19

End of RCC: 04/23

End of Project: 06/23

Specifications

Height: 122 metres

Length: 321 metres

Volume of RCC: 907 m3x103

Total volume: 987 m3x103

Construction Methods

Facings

Upstream
SlopeType
VerticalRCC against formwork (GEVR/GE-RCC)
Downstream
SlopeType
 RCC against formwork (GEVR/GE-RCC)  [stepped face]
Spillway
SlopeType
  

Placement

Layers (mm)Lifts (mm)
  

Cementitious material

Cement (kg/m3)
60
Pozzolan (kg/m3)Pozzolan Type
140Low-lime flyash (ASTM Class F)
  
Photo coming soon

Full Dam Information

Details

Country: Laos

Owner: -

Type: Gravity

Purpose(s): Hydropower

River: Nam Ngum

Reservoir capacity: -

Construction Dates

Start of Project: 02/18

Start of RCC: 02/18

End of RCC: -/23

End of Project: -/24

Specifications

Height: 74 metres

Length: 252 metres

Volume of RCC: -

Total volume: -

Construction Methods

Facings

Upstream
SlopeType
  
Downstream
SlopeType
  
Spillway
SlopeType
  

Placement

Layers (mm)Lifts (mm)
  

Cementitious material

Cement (kg/m3)
 
Pozzolan (kg/m3)Pozzolan Type
  
  
Photo coming soon

 

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Please note: only dams with known co-ordinates will appear on this map.

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