Catchment Areas

Catchment areas are only available for rivers in, or that flow into, England. Catchment areas in Scotland and Wales are not included in the Environment Agency data.

Anglian Catchment Basin

• Anglian Transitional & Coastal
• Broadland Rivers
• Cam and Ely Ouse
• Combined Essex
• East Suffolk
• Nene
• North Norfolk Rivers
• North West Norfolk
• Old Bedford and Middle Level
• Upper and Bedford Ouse
• Welland
• Witham

Dee Catchment Basin

• Dee

Humber Catchment Basin

• Aire and Calder
• Derwent Derbyshire
• Derwent Humber
• Don and Rother
• Dove
• Esk and Coast
• Hull and East Riding
• Humber Transitional & Coastal
• Idle and Torne
• Louth Grimsby and Ancholme
• Lower Trent and Erewash
• Soar
• Swale, Ure, Nidd and Upper Ouse
• Tame Anker and Mease
• Trent Valley Staffordshire
• Wharfe and Lower Ouse

North West Catchment Basin

• Alt and Crossens
• Derwent North West
• Douglas
• Irwell
• Kent and Leven
• Lower Mersey
• Lune
• North West Transitional & Coastal
• Ribble
• South West Lakes
• Upper Mersey
• Weaver Gowy
• Wyre

Northumbria Catchment Basin

• Northumberland Rivers
• Northumbria Transitional & Coastal
• Tees
• Tyne
• Wear

Severn Catchment Basin

• Avon Bristol and North Somerset Streams
• Avon Warwickshire
• Severn England Transitional & Coastal
• Severn Middle Shropshire
• Severn Middle Worcestershire
• Severn Uplands
• Severn Vale
• South East Valleys
• Teme
• Usk
• Wye MC
• Wye MC Transitional & Coastal

Solway Tweed Catchment Basin

• Eden and Esk
• Solway Tweed Transitional & Coastal
• Till
• Tweed
• Waver and Wampool

South East Catchment Basin

• Adur and Ouse
• Arun and Western Streams
• Cuckmere and Pevensey Levels
• East Hampshire
• Isle of Wight
• New Forest
• Rother
• South East Transitional & Coastal
• Stour
• Test and Itchen

South West Catchment Basin

• Avon Hampshire
• Dorset
• East Devon
• North Cornwall, Seaton, Looe and Fowey
• North Devon
• South and West Somerset
• South Devon
• South West Transitional & Coastal
• Tamar
• West Cornwall and the Fal

Thames Catchment Basin

• Cherwell and Ray
• Colne
• Cotswolds
• Darent and Cray
• Gloucestershire and the Vale
• Kennet and tributaries
• Loddon and tributaries
• London
• Maidenhead and Sunbury
• Medway
• Mole
• North Kent
• Roding, Beam and Ingrebourne
• South Essex
• Thames and South Chilterns
• Thames Transitional & Coastal
• Upper Lee
• Wey and tributaries