Your lakes Current reservoir levels South West Water monitor the levels of our reservoirs to ensure optimum operation. Find out more here. The current water levels of some of our reservoirs are shown in the table below. Week ending: 5 July 2026 Reservoir Current level (%) Current storage (Ml) Net capacity (Ml) Stithians 75 3,711 4,967 Drift 83 991 1,200 Argal 76 993 1,302 College 92 226 246 Crowdy 82 842 1,022 Colliford 73 20,907 28,540 Siblyback 76 2,429 3,182 Upper Tamar 94 1,384 1,477 Roadford 82 28,394 34,500 Burrator 71 2,978 4,210 Wistlandpound 70 1,087 1,550 Meldon 92 2,773 3,020 Wimbleball 65 13,871 21,320 Fernworthy 76 1,333 1,765 Kennick, Tottiford and Trenchford 62 1,253 2,011 Avon 89 1,172 1,313 Venford 72 531 740 Manage Cookie Preferences