Hydrographic Survey is a specialist Survey & Investigation Organization. The Wing is constituted as a component of Kerala Port Department with a view to cater to the requirements of Hydrographic Investigations 'for the development of Minor and Intermediate Ports of the Maritime State of Kerala.


                       This Wing conducts Pre-Dredging and Post-dredging Survey and Pre-monsoon and Post-Monsoon surveys to ascertain various aspects of dredging such as requirements of dredging and the quantity dredged as per the scheduled programme of survey for every year. This Wing also undertakes Hydrographic Survey for other departments of the State such as Fisheries, PWD, Irrigation, Kerala Engineering Research Institute etc

The Chief Hydrographer is the Head of the Wing and head quartered at Thiruvananthapuram.

     
There are two range offices each at Beypore and Kollam to look after the survey work of Northern and Southern regions respectively and an Additional Unit at Neendakara.