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Outcome Budget (2007-08) - Ministry of Water Resources

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MAJOR AND MEDIUM IRRIGATION<br />

4.4. Central <strong>Water</strong> Commission(CWC):<br />

Data Collection and Investigation:<br />

4.4.1 The objective <strong>of</strong> various schemes under Data Collection and Investigation<br />

is (i) to collect data from network <strong>of</strong> hydrological observation stations for overall<br />

evaluation <strong>of</strong> resources available in the country and its characteristics and (ii)<br />

carry out investigations in respect <strong>of</strong> identified projects for water resources<br />

development.<br />

Data Collection:<br />

4.4.2 Central <strong>Water</strong> Commission is maintaining a network <strong>of</strong> 878 Hydrological<br />

Data Collection Stations on all the major river basins <strong>of</strong> the country. The<br />

parameters <strong>of</strong> data collected are river stage data, river flow data, water quality<br />

and silt data. This is an important activity, in view <strong>of</strong> the high priority accorded<br />

for providing drinking water and water for irrigation purpose under National<br />

<strong>Water</strong> Policy. The data collected is analysed and compiled in the form <strong>of</strong> water<br />

year, silt year and water quality year books. This data is used as an input in<br />

planning and development <strong>of</strong> irrigation and power potential <strong>of</strong> the country and in<br />

settlement <strong>of</strong> Inter-State water disputes on water sharing among various States.<br />

For XI Plan, this scheme is proposed to be part <strong>of</strong> a consolidated scheme named<br />

‘Development <strong>of</strong> <strong>Water</strong> <strong>Resources</strong> Information System’.<br />

Snow Hydrology:<br />

4.4.3 The ultimate objective <strong>of</strong> the snow hydrology programme is to develop<br />

snow melt run <strong>of</strong>f model for assessment <strong>of</strong> snow melt contribution in the river<br />

flow which will help in efficient water management for its optimum utilization,<br />

particularly during the lean season. At present there is one G&D site and two<br />

snow hydrology observatories operating in the Yamuna Basin, two G&D sites<br />

and two snow hydrology observatories operating in Chenab Basin and one G&D<br />

site and one snow hydrology observatory operating in Beas Basin. The<br />

observation <strong>of</strong> snow data at the snow hydrology observatories and measurement<br />

<strong>of</strong> Gauge & Discharge at G&D sites is in progress. For XI Plan, this scheme is<br />

proposed to be part <strong>of</strong> a consolidated scheme named ‘Development <strong>of</strong> <strong>Water</strong><br />

<strong>Resources</strong> Information System’.<br />

Survey And Investigation:<br />

4.4.4 Central <strong>Water</strong> Commission takes up survey and investigation and<br />

preparation <strong>of</strong> Detailed Project Report (DPR) <strong>of</strong> <strong>Water</strong> <strong>Resources</strong> Development<br />

projects.<br />

4.4.5 At present 17 major, medium, mini and micro hydel schemes, 2 major<br />

multipurpose projects, 2 major and medium irrigation schemes and 57 minor<br />

irrigation schemes are under investigation.<br />

46

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