Weras Ganga Project
The Weras river basin (55.5 km2) located in the Colombo Metro Region (CMR) has seen severe flooding and “Weras Ganga Storm Water Drainage & Environment Improvement Project” was initiated to be completed in five years, by SLLRDC in 2013 at an estimated cost of Rs. 14.2 Billion.
Major components of the project include formation of lakes & conservation of existing swamps for increasing the retention area, widening and rehabilitation of existing canals augmented by 22 km of new canals for drainage and over 10 km of peripheral canals. For unhindered transport infrastructure 54 culverts and bridges are to be constructed. Aspect of maintenance of the canal system has been planned in advance by the inclusion of 25 km length of maintenance roads.