The US$63M Ulu Tudong Dam is the largest water source project in Brunei. The project lies at the rain forest in Sg Tutong basin, and, when completed, it will provide long-term and reliable water resources to Muara and Tudong regions. A 23km access road and a 500m long and 44m high earth-rock dam will be completed within 45 months.

Ulu Tudong dam is Sinohydro’s first project in Brunei.