Irrigation Current Affairs - 2019
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The River Periyar in Kerala is again witnessing the decolourisation. The decolourisation of River Periyar which provides drinking water to Kochi city and adjoining areas has become the cause of worry for the people and government of Kerala. The water turned pitch black in one stream, it was milky near the Pathalam regulator-cum-bridge.
The pollution control Board (PCB) has attributed the change in colour to the poor quality of water as a result of eutrophication. PCB has stated that huge quantities of organic load in the form of sewage from nearby townships are regularly reaching the river system. This is contributing to the eutrophication resulting in the change of colour.
River Periyar flows in the state of Kerala. It originates in the Western Ghats and flows north for a short distance to Periyar Lake. Periyar Lake. is an artificial reservoir created by Mullaperiyar Dam across the river. From the Periyar Lake, tunnel carries water through mountains to the Vaigai River in Tamil Nadu, where it is used for irrigation.
Further downstream Idukki dam is constructed across the river. The river descending out of the mountains into the coastal plain and empties into the Arabian Sea.
The Union Ministry of Environment, Forest and Climate Change has given its approval for the Sita Rama Lift Irrigation Project of Telangana. The project would be completed in three years and would lead to submergence of about 1,930-hectare area and 157 villages.
About the Project
The Sita Rama Lift Irrigation Project aims to divert Godavari river water to irrigate 2.72 lakh hectares in three districts of Bhadradri Kothagudem, Khammam and Mahabubabad districts of Telangana. The water from River Godavari will be diverted from the upstream of existing Dummugudem Anicut barrage.
Head regulator would be constructed at Dummugudem Anicut on Godavari river and lined canal of about 372 km would be constructed.
Objective of the Project
The project aims to provide water for irrigation as well as to enroute tanks, villages, towns and supplement some of the existing/ proposed irrigation schemes.