This catchment comprises the River Waver and the River Wampool, and drains to the Solway Firth. The catchment is generally flat and low lying, and large areas are artificially drained.
The towns of Silloth and Wigton are the largest urban areas, together with smaller villages including Abbey Town and Aikton. Land use within the catchment is mainly livestock and dairy farming.
Within the catchment are important saltmarsh areas at Skinburness, and many wetlands including South Solway Mosses Nature Reserve. There are two designated Shellfish waters at Silloth and Solway; and a designated bathing water at Silloth