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Kavisigamuwa is a village in Kurunegala District in the North Western Province of Sri Lanka. Kavisigamuwa is famous for the Deduru Oya anicut. [1] Sri Gamini Central College is situated in Kavisigamuwa.
Kurunegala is a district in North Western Province, Sri Lanka. Consists of 4812.7 km2 48,1270 Hectares and Consists 30 Divisional Secretariats, 1610 Grama Niladari Divisions and 4476 total Villages. It consists of 14 Electorate Divisions, 02 Municipal Council, 19 Urban Councils, 15 Parliamentary Ministers, 47 Provincial Council Members, 15 Ministers and 337 Local Council Members.
The Mahaweli River, is a 335 km (208 mi) long river, ranking as the longest river in Sri Lanka. It has a drainage basin of 10,448 km2 (4,034 sq mi), the largest in the country, which covers almost one-fifth of the total area of the island. The real beginning of Mahaweli Ganga starts at Polwathura(at Mahawila area), a remote village of Nuwara-Eliya District in bank Nawalapitiya of Kandy District by further joining of Hatton Oya and Kotmale Oya. The river reaches the Bay of Bengal on the southwestern side of Trincomalee Bay. The bay includes the first of a number submarine canyons, making Trincomalee one of the finest natural deep-sea harbours in the world.
The Malwathu Oya, at 164 km (102 mi) long, is the second longest river in Sri Lanka. The river originates in the North Central Province of Sri Lanka and enters the sea on the northwest coast, into the Gulf of Mannar, near Vankalai. It is a seasonal river that spans over 164 kilometers through paddy and forest lands, which are used by the inhabitants to cultivate for their survival.
The Kelani River is a 145-kilometre-long (90 mi) river in Sri Lanka. Ranking as the fourth-longest river in the country, it stretches from the Sri Pada Mountain Range to Colombo. It flows through or borders the Sri Lankan districts of Nuwara Eliya, Ratnapura, Kegalle, Gampaha and Colombo. The Kelani River also flows through the capital of Sri Lanka, Colombo, and provides 80% of its drinking water.
Gal Oya National Park in Sri Lanka was established in 1954 and serves as the main catchment area for Senanayake Samudraya, the largest reservoir in Sri Lanka. Senanayake Samudraya was built under the Gal Oya development project by damming the Gal Oya at Inginiyagala in 1950. An important feature of the Gal Oya National Park is its elephant herd that can be seen throughout the year. Three important herbs of the Ayurveda medicine, triphala: Terminalia chebula, Terminalia bellirica and Emblica officinalis are amongst the notable flora of the forest. From 1954 to 1965 the park was administrated by the Gal Oya Development Board until the Department of Wildlife Conservation took over administration. The national park is situated 314 km (195 mi) from Colombo.
The Sri Lanka drongo or Ceylon crested drongo, is a species of bird in the family Dicruridae. It is endemic to Sri Lanka. It was previously considered a subspecies of the greater racket-tailed drongo. Its natural habitats are subtropical or tropical moist lowland and montane forests.
Ridi Bendi Ela is a major irrigation scheme in North Western Province, Sri Lanka. It's located within the Nikaweretiya Divisional Secretary division in the Kurunagala district, a major part of which is in the Deduru Oya river basin. The main reservoir of the irrigation scheme is the Magalle Wewa which is located in Nikawaratiya.
The Gal Oya Dam is an embankment dam in the Uva Province of Sri Lanka. The dam creates one of the largest reservoirs in the country, the Gal Oya Reservoir. Water from the reservoir is used primarily for irrigation in the Uva and Eastern provinces, in addition to powering a small hydroelectric power station. Construction of the dam and reservoir began in August 24, 1949, completing four years later in 1953.
The Deduru Oya Dam is an embankment dam built across the Deduru River in Kurunegala District of Sri Lanka. Built in 2014, the primary purpose of the dam is to retain approximately a billion cubic metres of water for irrigation purposes, which would otherwise flow out to sea. Site studies of the dam began in 2006 and construction started in 2008. It was ceremonially completed in 2014, with the presence of the then President Mahinda Rajapaksa.
The Rambakan Oya Dam is an embankment dam in Maha Oya, Eastern Province, Sri Lanka. The reservoir was designed and constructed by the Sri Lanka Mahaveli Authority and currently functions under the direction of the Ministry of Irrigation and Water Resources Management. It have been created by building an Earthen dam of which is about 1225m in length across the river of Mundeni Aru.
The Rajanganaya Dam is an irrigation dam built across the Kala Oya river, at Rajanganaya, bordering the North Western and North Central provinces of Sri Lanka. The main concrete dam measures approximately 350 m (1,150 ft) and creates the Rajanganaya Reservoir, which has a catchment area of 76,863.60 hectares and a total storage capacity of 100.37 million cubic metres.
The Uma Oya Hydropower Complex (also internally called Uma Oya Multipurpose Development Project or UOMDP) is a irrigation and hydroelectric complex currently under construction in the Badulla District of Sri Lanka. Early assessments of project dates back to 1989, when the first studies was conducted by the country's Central Engineering and Consultancy Bureau. The complex involves building a dam across Dalgolla Oya, and channelling water over a 3,975 m (13,041 ft) tunnel to Mathatilla Oya, both of which are tributaries of the Uma Oya. At Mathatilla Oya, another dam is constructed to channel 145,000,000 m3 (5.1×109 cu ft) of water per annum, via a 15,290 m (50,160 ft) headrace tunnel to the Uma Oya Power Station, where water then discharged to the Alikota Aru via a 3,335 m (10,942 ft) tailrace tunnel. The Alikota Aru is a tributary of the Kirindi Oya.
The Maha Oya is a major stream in the Sabaragamuwa Province of Sri Lanka. It measures approximately 134 km (83 mi) in length. It runs across four provinces and five districts. Maha Oya has 14 Water supply networks to serve the need of water and more than 1 million people live by the river.
The Kala Oya is the third longest river in Sri Lanka. It is approximately 145 km (90 mi) in length. The river has a basin size of 2,873 km2 (1,109 sq mi), and more than 400,000 rural population live by the river basin.
Malala-Ambilikala Lagoons are two interconnected coastal water-bodies located inside the Bundala National Park, Hambantota District in the Southern Province, Sri Lanka. It is 260 km (160 mi) from Colombo to the arid south. The Malala-Ambilikala Lagoons are two of the three key lagoons located within the Bundala Ramsar wetlands.
2018 Sri Lanka floods and landslides caused from an annual heavy southwest monsoon beginning around 19 May. As of 26 May 2018; the monsoon floods affected in about 19 districts, killed at least 21 people, about 150, 000 people were affected and further left approximately 23 people missing. The death casualties were reported from 22 May onwards in the provinces including South, Northwest, North and East. About 4 people were reported dead due to lightning, 5 people were killed due to floods and lightning, 8 people died due to drowning and further left 4 people dead resulting from fallen trees. The DMC report claimed about 400, 000 people have been displaced to safer locations. About 105 houses were reported to have fully damaged and over 4832 houses have been partially damaged.
The Deduru Oya is the sixth-longest river of Sri Lanka. It measures approximately 142 km (88 mi) in length. It runs across four provinces and five districts.
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