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: 21 July 2024 Reservoir Current level (%) Current storage (Ml) Net capacity (Ml) Stithians 74 3,695 4,967 Drift 93 1,116 1,200 Argal 78 1,016 1,302 College 100 246 246 Crowdy 82 842 1,022 Colliford 87 24,814 28,540 Siblyback 82 2,624 3,182 Upper Tamar 86 1,275 1,477 Roadford 92 31,793 34,500 Burrator 69 2,924 4,210 Wistlandpound 69 1,074 1,550 Meldon 95 2,858 3,020 Wimbleball 81 17,248 21,320 Fernworthy 99 1,749 1,765 Kennick, Tottiford and Trenchford 83 1,665 2,011 Avon 98 1,287 1,313 Venford 99 733 740 Manage Cookie Preferences