Envis Centre, Ministry of Environment & Forest, Govt. of India
Printed Date: Friday, June 6, 2025
Pallikkal and Kallada
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PALLIKKAL
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KALLADA
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Basin area, km2
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220
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1699
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Basin area in Kerala State, km2
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220
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1699
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District of Kerala in which basin are located
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Pathanamthitta,Kollam , Thiruvananthapuram
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Pathanamthitta, Kollam , Thiruvananthapuram
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Origin of River
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Karimalai, Kadakkal Elevation.m : 1524
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Length of main stream, km
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42
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121
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Main tributaries
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Kulathupuzha, Chendurni, Kalthuruthi
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Average annual rainfall, mm
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2800
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2800
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Average annual streamflow, Mm3
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3374.86
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3374.86
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Important rainguage stations marked on the map (with code numbers)
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1. Punalur (1)
2. Kollam (2)
3. Kottarakkara (3)
4. Thenmala (4)
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Important discharge stations marked on the map(with code numbers)
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1. Enathu (1)
2. Punalur (2)
3. Thenmala (3)
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Water requirement for wetland for three crops, Mm3
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857
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857
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Water requirement for gardenland , Mm3
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305
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305
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Water requirement for domestic use (2021 AD), Mm3
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244.5
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244.5
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Existing major/medium irrigation projects under construction(Commissioned/Partially Commissioned)
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Kallada
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Proposed Hydroelectric project
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Kallada
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Water requirement for industrial use (2021 AD), Mm3
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400
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400
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Navigable length of river, km
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2
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40
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