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INTEGRATED GIS BASED WEB ENABLED DATA SET FOR WATER STAKE HOLDER DEPARTMENTS TAMIL NADU INTEGRATED GIS BASED WEB ENABLED DATA SET FOR WATER STAKE HOLDER DEPARTMENTS TAMIL NADU www. tnwris. gov. in SWa. RMA S S Rajagopal, Director SWa. RMA D. Panneerselvam , Executive Engineer S. Prabhu, Assistant Director, T. Shri Priyadharshini, Assistant Engineer,

TAMIL NADU – WATER RESOURCES Ø Avg Rainfall 911. 60 mm Ø SW Potential TAMIL NADU – WATER RESOURCES Ø Avg Rainfall 911. 60 mm Ø SW Potential 853 TMC Ø GW Potential 811 TMC Ø PWD Dams 89 Nos Ø PWD Tanks 13, 779 Nos Ø Storage facility 395 TMC Ø Flow to sea 235 TMC Ø Coastal Length Facilitate irrigation planning 907 km 3

Per Capita Water Availability (Average) Population TN 7. 2 cr INDIA 121 cr per Per Capita Water Availability (Average) Population TN 7. 2 cr INDIA 121 cr per capita water availability q 6000 5177 (Temporal) 5000 4000 Per capita water availability in m 3/year JAN-Sep : 452 Oct-Dec : 1252 3000 2209 1820 2000 1545 Water stress 1700 m 3/capita/year 1341 1140 1000 2061 2051 2031 2021 2011 2001 1991 1981 1971 1961 1951 2041 Water scarcity 1000 m 3/capita/year 0 Water Availability : Tamil Nadu 598 cum/Person/Annum 4

13779 5900 Measuring Devices Installed 5227 Includes 49 proposals now approved by CWC 95 13779 5900 Measuring Devices Installed 5227 Includes 49 proposals now approved by CWC 95 95 Total no. of tanks RRR with External Assistance (IAMWARM) RRR with Domestic Support 674 13 th Finance Commission - Restoration of Traditional Water Bodies 5

Rain Fall 2008 -09 : 839. 9 mm 2009 -10 : 811. 1 mm Rain Fall 2008 -09 : 839. 9 mm 2009 -10 : 811. 1 mm 2010 -11 : 1025. 1 mm 2011 -12 : 850. 3 mm IAMWARM R RTWB 6

GROUND WATER RESOURCES 7 GROUND WATER RESOURCES 7

 • To manage the available precious water potential to the optimum, SWa. RMA • To manage the available precious water potential to the optimum, SWa. RMA has come out with a strong e-Governance tool, with inter. Sectorial common data base which will be a GIS based web enabled one. • Apart from hydro-Metrological data, Water potential, Sectorial Demand, and Theme Layers, the numerically coded tank information as well as details of Water Users Association and PIM which have gathered momentum have also been incorporated in this web enabled GIS Based Data Base.

 • This data base will help in decision making for efficient integrated water • This data base will help in decision making for efficient integrated water resources management service and delivery. regulation This data for base better is a comprehensive solution for accessing water data, capable of geo-visualization and will help the administrators with e-Governance tool in the management and Basin planning of water resources and in taking Tamil Nadu forward to optimise the utilisation of created irrigation potential and to maximise crop production per unit of water.

 • Taking into consideration the sustainability and scope for improvising the data Base • Taking into consideration the sustainability and scope for improvising the data Base from time to match to the state of art of the subject this GIS based web enabled data base has been created using the available open source soft-wares, in-house by TN SWa. RMA, . • Government bodies can have factual data on water from this Web GIS interface, that can be used for decision making.

 • Maps and other non-spatial data related to many themes and parameters, collated • Maps and other non-spatial data related to many themes and parameters, collated from many departments and presented on a centralised and common platform for use by all concerned. This efficient sharing mechanism will keep everyone abreast with latest information. Data query, charting, and visualization will enhance the analytical depth, for providing rational and timely service to the public at large.

Dedication of TNWRIS on 29. 11. 2014 by the Principal Secretary, PWD, Government of Dedication of TNWRIS on 29. 11. 2014 by the Principal Secretary, PWD, Government of Tamil Nadu and release of the database by Shri A. B. Pandya, Chairman, CWC, Delhi. 13

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TNWRIS – NON SPATIAL TNWRIS –SPATIAL TNWRIS – NON SPATIAL TNWRIS –SPATIAL

TANKS UNIQUE CODING - AGNIYAR BASIN MAPS T – Tanks Tank Number Sub Basin TANKS UNIQUE CODING - AGNIYAR BASIN MAPS T – Tanks Tank Number Sub Basin – 01 Agniyar Basin – AG Tamil Nadu - TN

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