High and Low Maynard Reservoirs

High and Low Maynard Reservoirs are located in Walthamstow in the London Borough of Waltham Forest. The storage reservoirs of the Lee Valley Reservoir Chain supplies drinking water to London. The reservoirs built in the mid-19th century are 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. The water is open to the public and is popular  with birdwatchers, walkers and anglers.