DID Tambunan

The Administrative District of Tambunan is situated in the Interior of the State of Sabah about 80 km from Kota Kinabalu. It covers an area of approximately 1,346.7 km². Its office is located at the District Council Building, Tambunan.

The Administrative District of DID Tambunan was established in 1989 following its breakaway from DID Keningau. This district is now headed by an Irrigation and Drainage Engineer, Grade J3. It has all together 14 personnels.

The main duties carried out in the district are:-

• To plan and implement the Department's works in line with its policies and functions.

• To operate and maintain Irrigation Schemes. This include minor irrigation schemes planted by farmers with small areas in order to assist their product output. The Irrigation Schemes in the district are as follows:-

All Irrigation Schemes mentioned above use pipe to convey water to the padi fields. This due to the undulating terrain found in the district which makes the 'open channel system' not practical to construct.

• To operate and maintain major urban drainage system that includes major trunk drains. Secondary drains and drains that are in housing development are maintained by the local authority. Whereas road-side drains are maintained by the Public Works Department.

• To plan and implement river conservancy works. River conservancy is a very important traditional function of DID. Works carried out include removing debris from rivers that restrict the smooth Administrative District of Tambunant conserve 11 numbers of rivers with a total length of 20 km every year.