High Maynard Reservoir
|High Maynard Reservoir|
|Location||London Borough of Waltham Forest|
|Basin countries||United Kingdom|
|Max. depth||5.8 m (19 ft)|
|Water volume||0.68 Gl (0.15×109 imp gal; 550 acre⋅ft)|
The water is a Site of Special Scientific Interest (SSSI). In winter, cormorants roost on the island with their numbers reaching nationally important levels. The fringes of the reservoir contain many plant species that are uncommon to Greater London.