Geoscience Reference
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KULPI
GANGRA
SILVER TREE POINT
HARDWOOD
POINT
KAKDWIP
RASALPUR
SAGAR ISLAND
Fig. 10.4
Plan showing Haldia and channels in Hooghly estuary
remained dry before 1975 were filled by river water but afterward partly dried up in
lean seasons, affecting fish and other aquatic life.
As water-level went low, the ground water table which used to be quite high in
monsoon months, fell abruptly, causing erosion and bank-slips of the feeder canal
as well as of the river banks. The feeder canal cross-section being unlined and
artificially built with spoils of excavation gave way at many places owing to fluc-
tuations of water-level, inside and outside the soil mass. Inspection roads on both
banks were damaged at many places. The banks of the Bhagirathi-Hooghly were
similarly affected at places like Jangipur, Katwa, Mayapur, Nabadweep etc. Power
generation in thermal plants, located on the canal and river banks, also went down,
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