Geographical Description of the East Flowing Rivers Basin
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EAST FLOWING RIVERS BASIN CWC, HO Stations & IMD Raingauge Stations Marella ma kam Gundala Tungabhadra N Paleru Kunderu Sagileru Tadapatri Alladupalli Nandipalli ANDHRASingavaram PRADESH Chennur Pennar 2 ChitravathiKamalapuram Cuddapah Nellore 1 Davangere Nagalamedike Naidupet Papagni Pennar Swarnamukhi K Sullurpet a KARNATAKA langi Tumkur Chittoor Chennai B Arcot A Bangalore Palar A 4 Magaral R Avaramkuppam Y A 3 Chengalpattu Gummanur Cheyyar Va ra O B Ponn ha Mysore aiyar na 5 I dhi F Vazhavachanur Pondicherry A Kumarapalayam Villupuram N 7 6 Cuddalore B Vellar 8 E S Cauvery N Kudalaiyathur E G TAMIL NADU A Coimbatore Karaikal A L Trichy KERALA Manimuthar Theni Madurai 9 Vai Ambasamudram gai Suruliyar Paramakudi Vaigai Ramanatha Vaippar puram LEGEND Irrukkankudi Chittar CE OFFICE A.P. Puram IMD RAINGAUGE STATIONS CIRCLE OFFICE 10 Murappanadu 1 Cuddapah DIVISION 2 Nellore Tambraparani SUB DIVISION 3 Tirupattur GDQ 4 Vellore GDSQ 5 Pondicherry GDQ & CWC Raingauge 6 Cuddalore Port GDSQ & CWC Raingauge I N D I A N O C E A N 7 Kallakurichi IMD RAINGAUGE STATIONS 8 Parangipettai STATE BOUNDRY 9 Madurai 10 Palayamkottai RIVER / TRIBUTARY GEOGRAPHICAL DESCRIPTION OF THE EAST FLOWING RIVERS BASIN The basin of East flowing rivers consists of a number of independent river basins of peninsular India lying to the South of Krishna basin, except Cauvery basin. The East flowing rivers are draining into the Bay of Bengal. The basin of the East flowing rivers (excluding Cauvery) covers large areas in the states of Andhra Pradesh, Tamil Nadu, Puducherry and a small area in the state of Karnataka. There are twelve river basins of which the Pennar, Palar and Ponnaiyar are more important. Other river basins are the Gundlakamma, thePaleru, the Swarnamukhi, the Kalingi, the Varahanadi, the Vellar, the Vaigai, theVaippar and the Tambraparani. DESCRIPTION OF THE RIVER SYSTEM THE GUNDLAKAMMA The Gundlakamma river rises near Kagundam village in Kurnool district at an elevation of 600 m from the Eastern slopes of the Nallamala hills at North latitude 15º 38' and East longitude 78º 47' and flows in a North-East, East and Southern direction for a total length of 220 km to join the Bay of Bengal. The total area drained by this river is 8,494 Sq Km. The Kandleru is its important left bank tributary. Central Water Commission is operating one Hydrological Observation site on this River at Marella. .