List of dams and reservoirs in Sri Lanka

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Hydroelectricity (blue) accounts for nearly half of the installed power capacity of Sri Lanka.

The following pages most dams in Sri Lanka. Most of these dams are governed by the Mahaweli Authority, while the Ceylon Electricity Board operates dams used for hydroelectric power generation. Only dams with a length of more than 100 m (330 ft) or a height of 10 m (33 ft) are listed.

Hydroelectric dams, including dam-less hydro such and pumped-storage and run-of-the-river, and small hydros accounts for nearly half of the installed power capacity of Sri Lanka.

Dams in Sri Lanka[edit]

Polgolla Dam in 2009.
Randenigala Dam in 2013.
Victoria Dam in 2009.
Dam Location Primary use Length (m) Height (m) Gen. Type Ref
Bowatenna Dam 07°40′00″N 80°40′00″E / 7.66667°N 80.66667°E / 7.66667; 80.66667 (Bowatenna Dam) Hydroelectricity 226 30 40 Gravity  
Broadlands Dam 06°58′50″N 80°27′09″E / 6.98056°N 80.45250°E / 6.98056; 80.45250 (Broadlands Hydropower Project) Hydroelectricity 114 24 35 Gravity [1]
Canyon Dam 06°52′18″N 80°31′34″E / 6.87167°N 80.52611°E / 6.87167; 80.52611 (Canyon Dam) Hydroelectricity     100 Arch-gravity
Castlereigh Dam 06°52′24″N 80°33′59″E / 6.87333°N 80.56639°E / 6.87333; 80.56639 (Castlereigh Dam) Hydroelectricity     50 Gravity  
Gal Oya Dam 07°12′37″N 81°32′10″E / 7.21028°N 81.53611°E / 7.21028; 81.53611 (Gal Oya Dam) Irrigation 1,100 43 12 Embankment  
Kalu Ganga Dam 07°34′00″N 80°50′00″E / 7.56667°N 80.83333°E / 7.56667; 80.83333 (Kalu Ganga Dam) Irrigation 546 67   Gravity  
Kandalama Dam 07°52′38″N 80°42′00″E / 7.87722°N 80.70000°E / 7.87722; 80.70000 (Kandalama Dam) Irrigation 1,600 21   Embankment  
Kantale Dam 08°21′40″N 80°59′29″E / 8.36111°N 80.99139°E / 8.36111; 80.99139 (Kantale Dam) Irrigation 4,200 15   Embankment  
Kotmale Dam 07°03′39″N 80°35′50″E / 7.06083°N 80.59722°E / 7.06083; 80.59722 (Kotmale Dam) Hydroelectricity 600 87 201 Gravity  
Kukule Ganga Dam 06°34′48″N 80°19′37″E / 6.58000°N 80.32694°E / 6.58000; 80.32694 (Kukule Ganga Dam) Hydroelectricity 110 20 80 Gravity  
Laxapana Dam 06°55′08″N 80°29′22″E / 6.91889°N 80.48944°E / 6.91889; 80.48944 (Laxapana Dam) Hydroelectricity     75 Gravity  
Lunugamwehera Dam 06°21′11″N 81°12′09″E / 6.35306°N 81.20250°E / 6.35306; 81.20250 (Lunugamwehera Dam)         Embankment  
Maduru Oya Dam 07°38′53″N 81°12′50″E / 7.64806°N 81.21389°E / 7.64806; 81.21389 (Maduru Oya Dam) Irrigation 1,090 41 N/A Embankment  
Maskeliya Dam 06°50′37″N 80°32′56″E / 6.84361°N 80.54889°E / 6.84361; 80.54889 (Maskeliya Dam) Hydroelectricity     60 Gravity  
Moragahakanda Dam 07°42′17″N 80°46′59″E / 7.70472°N 80.78306°E / 7.70472; 80.78306 (Moragahakanda Dam) Irrigation   65 25 Gravity [2][3][4]
Norton Dam 06°54′50″N 80°31′18″E / 6.91389°N 80.52167°E / 6.91389; 80.52167 (Norton Dam) Hydroelectricity     50 Gravity  
Polgolla Barrage 07°19′18″N 80°38′42″E / 7.32167°N 80.64500°E / 7.32167; 80.64500 (Polgolla Barrage) Irrigation 144 14.6 N/A Gravity  
Rajanganaya Dam 07°57′09″N 80°07′59″E / 7.95250°N 80.13306°E / 7.95250; 80.13306 (Rajanganaya Dam)         Embankment  
Randenigala Dam 07°12′00″N 80°55′30″E / 7.20000°N 80.92500°E / 7.20000; 80.92500 (Randenigala Dam) Hydroelectricity 485 94 126 Embankment  
Rantembe Dam 07°12′00″N 80°57′00″E / 7.20000°N 80.95000°E / 7.20000; 80.95000 (Rantembe Dam) Hydroelectricity 420 42 52 Gravity  
Ratkinda Dam 07°30′30″N 81°03′24″E / 7.50833°N 81.05667°E / 7.50833; 81.05667 (Ratkinda Dam) Irrigation 4,960 25 N/A Embankment [5]
Samanala Dam 06°40′54″N 80°47′54″E / 6.68167°N 80.79833°E / 6.68167; 80.79833 (Samanala Dam) Hydroelectricity 530 110 124 Embankment  
Udawalawe Dam 06°26′02″N 80°51′15″E / 6.43389°N 80.85417°E / 6.43389; 80.85417 (Udawalawe Dam) Hydroelectricity 3,900   6 Embankment  
Ulhitiya Dam 07°28′07″N 81°03′04″E / 7.46861°N 81.05111°E / 7.46861; 81.05111 (Ulhitiya Dam) Irrigation     N/A Embankment  
Upper Kotmale Dam 06°56′44″N 80°39′25″E / 6.94556°N 80.65694°E / 6.94556; 80.65694 (Upper Kotmale Dam) Hydroelectricity 180 35 150 Gravity [6][7]
Victoria Dam 07°14′29″N 80°47′05″E / 7.24139°N 80.78472°E / 7.24139; 80.78472 (Victoria Dam) Hydroelectricity 520 122 210 Arch [8]

See also[edit]

References[edit]

External links[edit]