Rutland Water is a reservoir in Rutland, England, east of Rutland's county town, Oakham. It is filled by pumping from the River Nene and River Welland, and provides water to the East Midlands. By surface area it is the largest reservoir in England, but its capacity is exceeded by that of Kielder Water in Northumberland. Its maximum depth is 33m.
Grafham Water is an 806.3-hectare (1,992-acre) biological Site of Special Scientific Interest (SSSI) north of Perry, Huntingdonshire. It was designated an SSSI in 1986. It is a reservoir with a circumference of about 16 km (10 mi), is 21 m (69 ft) deep at maximum, and is the eighth largest reservoir in England by volume and the third largest by area at 6.27 km2. An area of 114 ha at the western end is a nature reserve managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Abberton Reservoir is a pumped storage freshwater reservoir in eastern England near the Essex coast, with an area of 700 hectares. Most of its water is pumped from the River Stour. It is the largest body of freshwater in Essex.
The Cotswold Water Park is the United Kingdom's largest marl lake system, straddling the Wiltshire–Gloucestershire border, north-west of Cricklade and south of Cirencester. There are 180 lakes, spread over 42 square miles (110 km2).
Pitsford Water or Pitsford Reservoir is a 413 hectare reservoir and biological Site of Special Scientific Interest east of Brixworth in Northamptonshire. It is owned by Anglian Water, which manages it as a water park for walking, cycling, fishing, sailing and birdwatching. An area of 181 hectares north of the causeway which divides the reservoir is the Pitsford Water Nature Reserve, which is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
The Brent Reservoir is a reservoir in North West London. It straddles the boundary between the boroughs of Brent and Barnet and is owned by the Canal & River Trust. The reservoir takes its informal name from a public house called The Welsh Harp, which stood nearby until the early 1970s. It is a 68.6-hectare (170-acre) biological Site of Special Scientific Interest (SSSI), the only SSSI in either borough and among more than 30 SSSIs in Greater London.
Coate Water is a country park situated 5 km (3.1 mi) to the southeast of central Swindon, England, near junction 15 of the M4. It takes its name from its main feature, a reservoir originally built to provide water for the Wilts & Berks Canal. Now named 'Coate Water Country Park', the lake and its surroundings are both a leisure facility and a nature reserve.
Thatcham Reed Beds is a 67.4-hectare (167-acre) biological Site of Special Scientific Interest east of Newbury in Berkshire. It is part of the Kennet & Lambourn Floodplain Special Area of Conservation and an area of 14 hectares is a Local Nature Reserve. An area of 35 hectares is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Sevenoaks Gravel Pits is a 73.7-hectare (182-acre) biological Site of Special Scientific Interest on the northern outskirts of Sevenoaks in Kent. It is managed by Kent Wildlife Trust as the Sevenoaks Wildlife Reserve and Jeffery Harrison Visitor Centre.
Ashleworth Ham is a 104.73-hectare (258.8-acre) biological Site of Special Scientific Interest. It is a large area of grassland on the Severn floodplain, north of Ashleworth in Gloucestershire, England. It is registered as a Site of Special Scientific Interest and was notified in 1974 and renotified in 1985. Ashleworth Ham received this designation because it is one of three sites in the Severn Vale where migratory waterfowl winter.
Ingrebourne Marshes are a 74.8 hectare biological Site of Special Scientific Interest in Hornchurch in the London Borough of Havering. Ingrebourne Valley Local Nature Reserve includes a small part of the SSSI west of the River Ingrebourne. The site is managed by the Essex Wildlife Trust
Fens Pools is a 37.6 hectares biological site of Special Scientific Interest in the West Midlands. The site was notified in 1989. under the Wildlife and Countryside Act 1981 and is currently managed by the Country Trust.
Arlington Reservoir is a 100.4-hectare (248-acre) biological Site of Special Scientific Interest west of Hailsham in East Sussex. It is also a Local Nature Reserve and it is owned and managed by South East Water.
Combe Haven is a 153-hectare (380-acre) biological Site of Special Scientific Interest between Hastings and Bexhill-on-Sea in East Sussex. An area of 18.5 acres is Filsham Reedbed Local Nature Reserve, which is managed by the Sussex Wildlife Trust
Tring Reservoirs is a group of four reservoirs close to Tring on the border of Hertfordshire and Buckinghamshire, England. Their purpose is to feed the Grand Union Canal.
Burton Park SSSI is a 57.7-hectare (143-acre) biological Site of Special Scientific Interest west of Pulborough in West Sussex. A larger area of 63 hectares, including Chingford Pond to the west, is designated a Local Nature Reserve called Burton and Chingford Ponds, which is managed by the Sussex Wildlife Trust and West Sussex County Council. The site is adjacent to Burton Park, a Grade I listed building.
Forest Mere is a 14.6-hectare (36-acre) biological Site of Special Scientific Interest north of Midhurst in West Sussex.
The Mens is a 205.2-hectare (507-acre) biological Site of Special Scientific Interest west of Billingshurst in West Sussex. It is a Nature Conservation Review site, Grade I and a Special Area of Conservation. An area of 166 hectares south of the A272 road is managed as a nature reserve by the Sussex Wildlife Trust.
Alresford Pond is a 30.2-hectare (75-acre) biological Site of Special Scientific Interest on the north side of New Alresford in Hampshire.
