Bolgoda Lake Bolgoda Lake (Sinhala: බොල්ගොඩ වැව, Tamil: போல்கோடா ஏரி), also known as Bolgoda Estuary , is a large lagoonal estuary situated in lowlands in the wet zone of southwestern Sri Lanka. It is identified as one of the largest quaternary sedimentary basins in the southwest coast of Sri Lanka (Ratnayake et al., 2018). Located between the southern border of the Kalu Ganga basin and the northern border of the Kelani Ganga basin, the Bolgoda watershed consists of two shallow brackish water bodies called North Bolgoda Lake and South Bolgoda Lake (Ratnayake et al., 2018; Senarathne & Pathiratne, 2007). A narrow stream called Bolgoda Ganga connects these two lakes (Senarathne & Pathiratne, 2007). The lake opens to the Indian Ocean via two separate points located in the western edges of Bolgoda North Lake (via Panadura Ganga) and South Lake (Pathiratne et al., 2009). The extreme north end of the North Bolgoda Lake is known as Weras Ganga (Ratnayake et al., 2018; Senarathne & Pathiratne, 2…
