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: 1 September 2024 Reservoir Current level (%) Current storage (Ml) Net capacity (Ml) Stithians 57 2,839 4,967 Drift 76 915 1,200 Argal 61 791 1,302 College 100 246 246 Crowdy 72 731 1,022 Colliford 73 20,968 28,540 Siblyback 67 2,140 3,182 Upper Tamar 74 1,094 1,477 Roadford 86 29,613 34,500 Burrator 56 2,351 4,210 Wistlandpound 58 894 1,550 Meldon 84 2,527 3,020 Wimbleball 62 13,317 21,320 Fernworthy 88 1,554 1,765 Kennick, Tottiford and Trenchford 63 1,261 2,011 Avon 100 1,312 1,313 Venford 91 674 740 Manage Cookie Preferences