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: 7 June 2026

Reservoir	Current level (%)	Current storage (Ml)	Net capacity (Ml)
Stithians	83	4,116	4,967
Drift	91	1,097	1,200
Argal	83	1,087	1,302
College	99	244	246
Crowdy	84	861	1,022
Colliford	80	22,799	28,540
Siblyback	85	2,717	3,182
Upper Tamar	95	1,401	1,477
Roadford	88	30,375	34,500
Burrator	86	3,606	4,210
Wistlandpound	63	973	1,550
Meldon	100	3,010	3,020
Wimbleball	76	16,108	21,320
Fernworthy	83	1,463	1,765
Kennick, Tottiford and Trenchford	73	1,465	2,011
Avon	99	1,304	1,313
Venford	81	599	740