Directory
Every watercourse
1,139 named rivers, brooks, becks, canals and estuaries with monitored storm overflows discharging into them — 83 spilling right now. Major rivers and canals have richer featured pages: by river · by canal.
Watercourses with fewer than three monitored overflows are on the national map.
A
- Adel Beck●7
- Adur18
- Afon Banwy4
- Afon Bowydd3
- Afon Braint4
- Afon Bran3
- Afon Cadnant8
- Afon Cain - conf Nant Fyllon to conf The Brogan3
- Afon Caledffrwd3
- Afon Cefni6
- Afon Cegin3
- Afon Clywedog4
- Afon Dulas3
- Afon Eitha4
- Afon Ganol3
- Afon Goch6
- Afon Goedol3
- Afon Gwyrfai5
- Afon Irfon4
- Afon Llan8
- Afon Lliw●16
- Afon Marlais5
- Afon Morlais●3
- Afon Ogwen3
- Afon Pelenna3
- Afon Prysor3
- Afon Seiont5
- Afon Twrch7
- Afon Wydden4
- Aire and Calder Navigation●7
- Aldbrough Beck3
- Aldingbourne6
- Alfreton Brook6
- Aller Brook11
- Alverthorpe Beck5
- Anchor Brook8
- Arrowe Brook7
- Arrowe Brook a trib of the River Birket5
- Arun12
- Astley Brook6
- Atlantic Ocean12
- Atlantic / Porth Nanven Stream3
- Audley Brook3
- Audnam Brook3
B
- Bache Brook4
- Back Stream3
- Baddow Brook3
- Bagley Beck5
- Bagley Dike6
- Bailey Brook3
- Balderton Brook3
- Bannister Brook3
- Barden Mill Stream3
- Barnsley Beck3
- Barry Brook3
- Bartley Water3
- Barton Beck3
- Barton Brook (Anglian Water area)3
- Batley Beck3
- Battling Brook3
- Beaulieu3
- Bedale Beck7
- Bedford Brook4
- Beechburn Beck5
- Belford Burn3
- Bentley Brook8
- Beult5
- Beverley Brook4
- Biddulph Brook3
- Bidston Stream3
- Bidston Stream, a trib of the River Birket3
- Bidwell Brook5
- Bigbury Bay3
- Bilston/darlaston Brook4
- Bishopton Beck3
- Bitham Brook3
- Bitham Brook/trib Bitham Brook3
- Bitton Brook3
- Black Brook (Severn Trent Water area)4
- Black Brook (United Utilities area)6
- Black Brook (Welsh Water area)4
- Black Brook (Yorkshire Water area)●7
- Black Burn10
- Blackburn Brook7
- Blackdene Burn6
- Blackhills Gill4
- Blackstone Beck6
- Blea Beck3
- Boardman Brook3
- Borsdane Brook12
- Bottesford Beck5
- Bottesford Beck Culvert5
- Bottle Brook9
- Bourne Brook (Severn Trent Water area)3
- Bow Brook (Severn Trent Water area)4
- Bowburn Beck4
- Bowling Beck6
- Bradford Beck●17
- Bradshaw Brook4
- Brampton Branch River Nene3
- Braunstone Brook3
- Brede6
- Bretton Brook4
- Brierdene Burn3
- Brislington Brook17
- Bristol Avon228
- Bristol Channel23
- Brockhampton Creek5
- Brook Dike11
- Broughton Astley Brook3
- Bryn Brook3
- Bude Bay3
- Bugbrooke Brook3
- Bull Greave Beck●3
- Bumpstead Brook3
- Burry Pill3
- Burton Brook (Severn Trent Water area)3
- Buss Creek3
- Butts Beck3
- By Brook6
C
- Caldy Brook3
- Cam Brook9
- Camel Estuary6
- Canker Dyke4
- Car Brook15
- Cardigan Bay5
- Carnon River3
- Carr Beck8
- Carr Brook (United Utilities area)4
- Castle Hill Stream4
- Catchwater Drain3
- Cattewater3
- Caundle Brook3
- Causey Burn3
- Cawsand Bay3
- Chad Brook5
- Chaddesden Brook6
- Chain Caul Culvert4
- Chester Burn3
- Chichester Harbour9
- Chinn Brook6
- Chinnock Brook4
- Chorlton Brook8
- Church Burn5
- Cinderford Brook4
- Clackers Brook3
- Claxton Beck6
- Clough Brook3
- Coal Burn4
- Coalford Beck4
- Coastal Water - Cardigan Bay3
- Coastal Waters8
- Coastal Waters - Irish Sea3
- Coastal Waters - Penrhyn Bay4
- Cockhaise Brook3
- Cockshaw Burn5
- Cod Beck5
- Cofton Stream4
- Coldbrook4
- Coldwell Burn3
- Colne Estuary3
- Colne Water3
- Colwyn Bay3
- Combe Stream3
- Cong Burn7
- Conwy Bay4
- Coombe Brook7
- Coppice Beck13
- Coppice Brook9
- Cotting Burn3
- Cotton Brook7
- Counter Drain3
- Countesthorpe Brook4
- Coxhoe Beck10
- Cranbrook6
- Cranleigh Waters3
- Cree Beck3
- Cresswellshawe Brook4
- Crewkerne Stream3
- Crimple Beck Or River Crimple5
- Croal Minor7
- Crook Beck5
- Crookilley Brook3
- Cuckmere8
- Cuddington Brook3
- Culvert of the Burlais Brook3
- Culverted section of Gaywood R3
- Culverted section of River Darwen3
- Culverted Section of River Medlock3
- Culverted Trib Of River Aire7
- Culverted Trib Of River Calder3
- Culverted Trib Of River Colne4
- Culverted Trib Of River Dearne3
- Culverted Trib Of River Hertford4
- Culverted Trib Of River Holme4
- Culverted Trib Of Wyke Beck4
- Culverted tributary of River Blakewater7
- Culverted tributary of River Darwen4
- Culverted tributary of the River Darwen4
- Curborough Brook4
D
E
F
G
H
- Halwell Stream5
- Ham Brook (South West Water area)4
- Hamoaze3
- Hampshire Avon21
- Hanwell Brook4
- Hardenhuish Brook3
- Hardshaw Brook4
- Hartley Brook Dike5
- Hartley Burn3
- Hartshay Brook3
- Hebble Brook●15
- Hebden Water5
- Hellaby Brook3
- Henllan Brook5
- Henmore Brook4
- Herrington Burn5
- Hetton Burn3
- Heugh Sike4
- Hey Brook7
- High Royds Beck4
- Higher Leat11
- Hilden Brook6
- Hillfarrance Brook3
- Hindsford Brook4
- Hockley Brook37
- Holes Bay6
- Holgate Beck8
- Holland Brook5
- Hollins Beck4
- Holmbush Gill3
- Holme Beck (Northumbrian Water area)3
- Holme Beck (Yorkshire Water area)6
- Holywell Brook4
- Honicknowle Stream7
- Hooborough Brook4
- Hooe Lake3
- Hookstone Beck3
- Horden Burn3
- Horfield Brook5
- Horse Eye Sewer4
- Horton Beck6
- Houghwell Burn4
- Hyndburn Brook5
I
J
K
L
- Lady Beck5
- Lady Brook4
- Lady Burn9
- Lam Brook6
- Langstone Harbour3
- Langton Beck3
- Langton Brook5
- Leapmill Burn3
- Leas Brook8
- Lees Head Beck●3
- Leigh Creek3
- Leiston Beck12
- Lilly Brook4
- Limy Water, a trib of the River Irwell3
- Liswerry Pill Reen4
- Little Dart River3
- Little Hulton Stream3
- Littleover Brook4
- Local Stream4
- Longford Brook5
- Longton Brook7
- Longwood Brook●5
- Looe River3
- Loughor Estuary4
- Lower Roding3
- Lowthorpe Beck3
- Lumley Park Burn4
- Lune Estuary6
- Lustrum Beck16
- Lyme Bay13
- Lyme Brook12
- Lymington7
- Lynmouth Bay3
- Lytchett Bay4
M
- Malpas Brook●3
- Maltby Dyke4
- Manchester Ship Canal40
- Markeaton Brook15
- Marton West Beck3
- Maud Foster Drain3
- Meanwood Beck8
- Medina19
- Mells River4
- Mells Stream5
- Menai Strait36
- Middle Beck (Northumbrian Water area)3
- Middle Brook9
- Midford Brook3
- Milford Haven3
- Milford Haven Estuary3
- Milford Haven Waterway4
- Mill Avon4
- Mill Beck (United Utilities area)12
- Mill Beck (Yorkshire Water area)4
- Mill Brook (United Utilities area)3
- Mill Dike3
- Mill Ditch3
- Mill Race4
- Mill Shaw Beck●3
- Mill Stream14
- Millingford Brook6
- Milton Beck3
- Milton Creek6
- Mitchell Brook3
- Monks Brook3
- Monktonmead Brook4
- Moors Burn5
- Morecambe Bay3
- Morlais Brook7
- Moss Brook4
- Moston Brook5
- Mounts Bay5
- Mounts Bay English Channel3
- Mousesweet Brook10
- Mylor Creek3
N
- Nailsworth Stream6
- Nant Bran3
- Nant Clydach6
- Nant Melyn4
- Nant Talwg3
- Nant-Y-Fendrod3
- Nant Yr Aber7
- Neath Estuary5
- New Harbour, Holyhead3
- New Mill Dike5
- New Quay Bay4
- Newlands Brook3
- Newmarket No.1 Public Drain3
- Newton Brook (United Utilities area)3
- Newton Creek4
- Nickynack Beck4
- North Brook6
- North Sea●168
- Northbrook6
- Nun Royd Beck3
- Nunn Brook5
O
P
- Park/bottle Brook4
- Parr Brook3
- Pendle Water6
- Pennington Brook5
- Penryn River14
- Pillmawr Creek6
- Pincey Brook3
- Pinch Beck6
- Pitty Beck3
- Plants Brook3
- Plumpton Clough3
- Plymouth Sound11
- Pocklington Beck4
- Pont Burn3
- Pook Bourne3
- Poole Bay3
- Poole Harbour6
- Porter Brook10
- Porter Or Little Don River3
- Portland Harbour4
- Portsmouth Harbour29
- Potland Burn3
- Potwell Dyke3
- Pow Beck6
- Prestatyn Gutter8
- Priorpot Beck4
- Prittle Brook4
- Pulford Brook3
- Pymmes Brook4
R
- Radipole Lake5
- Rainton Burn6
- Rainworth Water3
- Rea Brook12
- Red Beck●3
- Red Burn3
- Red River5
- Repton Brook3
- Rhondda Fach River23
- Rhondda Fawr●7
- Rhondda Fawr River●13
- Rhondda River Fawr5
- Rhyl Cut5
- Ridings Brook6
- Ringmore Stream3
- River Afan20
- River Aire●100
- River Alaw4
- River Alham4
- River Allen8
- River Aln9
- River Alne3
- River Alt5
- River Alun4
- River Alyn19
- River Amber11
- River Amman20
- River Anker10
- River Arrow (Severn Trent Water area)9
- River Arrow (Welsh Water area)4
- River Asker4
- River Avill3
- River Avon (Devon)4
- River Avon (Warwickshire)35
- River Axe18
- River Barle4
- River Beal4
- River Birket4
- River Biss4
- River Blackwater (Anglian Water area)7
- River Blackwater (Southern Water area)3
- River Blackwater (Thames Water area)7
- River Blakewater16
- River Blakewater, a tributary of the River Darwen3
- River Blyth (Anglian Water area)4
- River Blyth Estuary18
- River Blyth (Northumbrian Water area)4
- River Blythe (trib)4
- River Bollin21
- River Bourne (Wessex Water area)6
- River Bovey4
- River Box3
- River Boyd5
- River Brain11
- River Brent15
- River Brett3
- River Bride4
- River Brit8
- River Browney16
- River Brue6
- River Bure4
- River Calder●82
- River Calder (United Utilities area)16
- River Caldew7
- River Cam (Cambridgeshire)4
- River Cam (Gloucestershire)3
- River Cam (Somerset)5
- River Camel6
- River Carnon3
- River Cary3
- River Ceiriog6
- River Char3
- River Chater6
- River Chelmer4
- River Chelt3
- River Cherwell5
- River Chew11
- River Churnet15
- River Clarach3
- River Clun3
- River Clwyd8
- River Clydach●11
- River Clyst3
- River Cober5
- River Cole25
- River Colne (Essex)20
- River Colne (West Yorkshire)●42
- River Coly4
- River Conwy15
- River Coquet9
- River Coquet Estuary3
- River Creedy4
- River Croal16
- River Croco6
- River Crouch8
- River Culm10
- River Cynon45
- River Dafen12
- River Dane17
- River Darent3
- River Dart8
- River Dart Estuary8
- River Darwen15
- River Dean10
- River Dearne●25
- River Deben4
- River Dee59
- River Dee Estuary4
- River Deerness11
- River Dene6
- River Derwent (Cumbria)14
- River Derwent (Derbyshire)●65
- River Derwent Estuary3
- River Derwent (North East)18
- River Derwent (Yorkshire)●17
- River Devon4
- River Doe Lea●5
- River Don (Tyne and Wear)30
- River Douglas21
- River Dove (Anglian Water area)4
- River Dove (Severn Trent Water area)9
- River Dove (Yorkshire Water area)12
- River Drone10
- River Dulais12
- River Dwyryd3
- River Eamont6
- River East Allen3
- River Ebbw●39
- River Ebbw Fach4
- River Eden34
- River Eden (Southern Water area)3
- River Ehen8
- River Ellen10
- River Elwy●4
- River Ely29
- River Erch7
- River Erewash●36
- River Erme9
- River Esk18
- River Esk (United Utilities area)3
- River Etherow●15
- River Evenlode7
- River Ewenni4
- River Exe37
- River Exe Estuary3
- River Eye + Various Brooks6
- River Fal9
- River Fender5
- River Foss14
- River Fowey Estuary8
- River Frome (Bristol)32
- River Frome (Dorset)9
- River Frome (Gloucestershire)7
- River Frome (Herefordshire)5
- River Frome (Somerset)17
- River Gannel3
- River Garw8
- River Gaunless23
- River Gipping8
- River Glaslyn4
- River Glaze8
- River Goyt27
- River Graveney11
- River Greta5
- River Grom3
- River Gwash3
- River Gwenfro13
- River Gwili●12
- River Hamble9
- River Hipper10
- River Hiz3
- River Hogsmill3
- River Holme13
- River Hull5
- River Humber●15
- River Idle4
- River Inny4
- River Irk32
- River Irthing3
- River Irwell79
- River Isbourne8
- River Ise12
- River Isle8
- River Itchen18
- River Itchen (Severn Trent Water area)3
- River Ithon10
- River Ivel7
- River Keekle5
- River Kennet6
- River Kennett3
- River Kensey5
- River Kent6
- River Kenwyn12
- River Kym6
- River Lark5
- River Leadon4
- River Leam10
- River Lee28
- River Leen22
- River Lemon8
- River Len8
- River Leven13
- River Leven (United Utilities area)3
- River Lew9
- River Lim5
- River Little Ouse4
- River Lliedi8
- River Llyfni3
- River Llynfi26
- River Lostock10
- River Loughor15
- River Lowman5
- River Loxley7
- River Lud9
- River Lune13
- River Lune Estuary5
- River Lydden4
- River Lyne5
- River Lyner3
- River Lynher6
- River Marden11
- River Maun●13
- River Mawddach5
- River Mease3
- River Meavy6
- River Meden12
- River Medlock28
- River Medway●124
- River Medway Estuary13
- River Meon4
- River Mole (South West Water area)5
- River Mole (Thames Water area)10
- River Nadder4
- River Neath18
- River Neet5
- River Nene61
- River Nent5
- River Nevern3
- River Nidd26
- River Noe3
- River Ogmore6
- River Okement4
- River Ore●4
- River Orwell11
- River Otter11
- River Ouse (other Anglian Water sites)8
- River Ouse (Sussex)●19
- River Ouse (Yorkshire)●43
- River Ouzel5
- River Parrett8
- River Penk6
- River Penk/wergs Brook4
- River Perry3
- River Petteril11
- River Piddle5
- River Plym22
- River Pont9
- River Poulter4
- River Rase●4
- River Rawthey3
- River Ray6
- River Rea55
- River Rhee3
- River Rheidol4
- River Rhondda●22
- River Rhondda Fawr5
- River Rhymney15
- River Rhymni37
- River Rib3
- River Ribble27
- River Ribble Estuarine Waters3
- River Ribble Estuary4
- River Rivelin3
- River Roch25
- River Roden4
- River Roding32
- River Rother and Tributaries3
- River Rother (East Sussex)8
- River Rother (South Yorkshire)●40
- River Rother (West Sussex)8
- River Ryburn5
- River Ryton5
- River Salwarpe3
- River Seiont3
- River Sence●24
- River Sett3
- River Seven4
- River Sheaf17
- River Sheppey9
- River Sherbourne3
- River Sid4
- River Sirhowy10
- River Skell14
- River Skerne27
- River Soar22
- River Soar Or Tribs4
- River Soar (tributary)7
- River Sow4
- River Spodden5
- River Stour (Dorset)27
- River Stour (Kent)29
- River Stour (Suffolk)7
- River Stour (Warwickshire)5
- River Stour (Worcestershire)34
- River Stowe3
- River Swale (Southern Water area)8
- River Swale (Yorkshire Water area)17
- River Swift4
- River Taf6
- River Taff●48
- River Tamar33
- River Tamar Estuary5
- River Tame (Greater Manchester)55
- River Tame (West Midlands)55
- River Tavy9
- River Taw6
- River Taw Estuary4
- River Tawd3
- River Tawe34
- River Team12
- River Team Estuary3
- River Tean6
- River Tees●55
- River Tees Estuary16
- River Teifi●37
- River Teign12
- River Teme11
- River Tern3
- River Thame4
- River Thaw5
- River Tiffey3
- River Till (Northumbrian Water area)4
- River Tillery5
- River Tillingham6
- River Tone15
- River Tonge9
- River Torridge12
- River Torridge Estuary5
- River Tove7
- River Towy15
- River Trym12
- River Tweed4
- River Tweed Estuary26
- River Umber3
- River Ure12
- River Walkham3
- River Wampool3
- River Wandle14
- River Wansbeck8
- River Wansbeck Estuary6
- River Waveney8
- River Waver3
- River Wear73
- River Wear Estuary16
- River Weaver23
- River Welland14
- River Wenning4
- River Wensum24
- River Wey13
- River Wharfe●39
- River Wheelock8
- River Wid7
- River Wiske3
- River Witham8
- River Worth21
- River Wreake9
- River Wreake (eye) Trib9
- River Wye (Derbyshire)9
- River Wylye5
- River Wyre7
- River Wyre Estuary5
- River Yare11
- River Yarrow12
- River Yealm7
- River Yeo (South West Water area)11
- River Yeo (Wessex Water area)17
- River Ystwyth3
- Rother E9
- Rother W3
- Rothley Brook3
- Rowletch Burn5
- Rud Beck5
- Rudhall Brook3
S
- Saffron Brook4
- Salary Brook5
- Sandy Brook3
- Sankey Brook14
- Saundersfoot Stream6
- Savick Brook10
- Scotch Brook3
- Scour Gutter3
- Scrase Bridge Stream4
- Scrase Stream5
- Sea Cut4
- Seaton Burn22
- Semington Brook7
- Shedfield Stream3
- Sheepscar Beck4
- Sheffield Lane Dike4
- Sherburn House Beck4
- Shire Brook (Severn Trent Water area)3
- Shire Brook (Yorkshire Water area)8
- Shirtcliff Brook6
- Shreen Water6
- Sirhowy River29
- Siston Brook6
- Sketchley Brook7
- Slack Brook3
- Slade Brook3
- Sleek Burn5
- Slitten Brook4
- Slutwell Stream3
- Smallhope Burn8
- Smallshaw Brook3
- Smestow Brook17
- Smithy Brook (United Utilities area)3
- Smithy Brook (Yorkshire Water area)●3
- Sneyd Brook3
- Solent62
- Somerhill Stream3
- Southampton Water6
- Spen River●8
- St Austell Bay4
- St Austell River3
- Stanley Burn4
- Stanney Brook (Welsh Water area)3
- Stocks Brook3
- Stoke Brook3
- Stonehouse Brook4
- Stonehouse Creek10
- Stoney Rock Beck3
- Stor3
- Stream24
- Strine Brook4
- Stromford Brook6
- Sudburn Beck3
- Sugley Dene3
- Sully Brook3
- Summerham Brook4
- Surface Water Sewer6
- Swanage Bay3
- Swansea Bay17
- Swanspool Brook●10
- Swinden Clough3
T
- Tadburn Lake3
- Tang Hall Beck5
- Tawelan Brook4
- Teign Estuary8
- Teme - source to conf Ffwdwen Bk to conf River Clun3
- Tendring Streams6
- Tennant Canal3
- Test12
- Thacka Beck3
- The Malago6
- The Moss4
- Thimblemill Brook3
- Thornton Beck5
- Thorpe Beck4
- Thorpe Brook3
- Timperley Brook6
- Tockington Mill Rhine4
- Tongue Burn3
- Tory Brook4
- Trap Sike3
- Tref-Y-Nant Brook3
- Tremadog Bay8
- Trib of Aller Brook5
- Trib Of Bagley Beck3
- Trib of Bailey Brook3
- Trib Of Blackburn Brook3
- Trib of Cam Brook4
- Trib Of Cock Beck4
- Trib of Hillfarrance Brook5
- Trib of Kings Sedgemoor Drain5
- Trib of Little Mere River3
- Trib of Lyme Brook4
- Trib Of Mickle Ing Beck●5
- Trib of Midford Brook3
- Trib of Moors River5
- Trib of Rea Brook3
- Trib Of River Aire10
- Trib of River Avon (Wessex Water area)7
- Trib of River Brue3
- Trib Of River Calder4
- Trib of River Colne (Yorkshire Water area)3
- Trib of River Creedy5
- Trib Of River Dearne6
- Trib of River Derwent5
- Trib Of River Doe Lea3
- Trib of River Exe3
- Trib of River Frome6
- Trib of River Lyner3
- Trib of River Mole3
- Trib of River Otter5
- Trib of River Rea3
- Trib Of River Rother8
- Trib of River Sence7
- Trib of River Sence (anker)3
- Trib of River Soar10
- Trib of River Stour6
- Trib of River Tamar3
- Trib of River Tame5
- Trib of River Teign4
- Trib of River Tone9
- Trib of River Torridge3
- Trib of River Trym13
- Trib of River Wreake3
- Trib of River Yeo4
- Trib of Sedgemoor Old Rhyne3
- Trib of Sherford River3
- Trib Of The Moss4
- Trib of the River Crouch4
- Trib of the River Plym3
- Trib of the River Teign3
- Trib of Thurlaston Brook4
- Trib River Chelmer5
- Trib River Crouch3
- Trib River Nene20
- Trib River Rhee3
- Trib River Roach3
- trib River Tove4
- Trib River Welland5
- Tributary of Afon Alyn5
- Tributary of Afon Dwyryd3
- Tributary of Alfreton Brook3
- Tributary of Badsey Brook3
- Tributary of Bailey Brook8
- Tributary of Birmingham Canal4
- Tributary of Black Burn6
- Tributary of Bottesford Beck6
- Tributary of Bottle Brook4
- Tributary of Bourn Brook4
- Tributary of Car Dyke3
- Tributary of Carrant Brook3
- Tributary of Chapel Beck3
- Tributary of Chester Burn3
- Tributary of Coxhoe Beck3
- Tributary of Dene Burn3
- Tributary of Fleet Beck3
- Tributary of Ford Brook6
- Tributary of Fowlea Brook3
- Tributary of Full Brook3
- Tributary of Glynde Reach/ River Ouse3
- Tributary of Gwendraeth Fawr3
- Tributary of Hartshay Brook4
- Tributary of Heads Hope Burn3
- Tributary of Kyo Burn7
- Tributary of Longton Brook3
- Tributary of Loughor Estuary4
- Tributary of Lustrum Beck5
- Tributary of Lyme Brook6
- Tributary of Marton West Beck3
- Tributary of Moors Burn3
- Tributary of Nut Brook3
- Tributary of Polser Brook3
- Tributary of River Anker6
- Tributary of River Avon (Severn Trent Water area)6
- Tributary of River Blythe4
- Tributary of River Browney4
- Tributary of River Cherwell4
- Tributary of River Cole (Severn Trent Water area)3
- Tributary of River Creedy3
- Tributary of River Derwent (Northumbrian Water area)8
- Tributary of River Derwent (Severn Trent Water area)4
- Tributary of River Dove5
- Tributary of River Erewash10
- Tributary of River Frome5
- Tributary of River Humber3
- Tributary of River Leam3
- Tributary of River Maun3
- Tributary of River Mease3
- Tributary of River Otter4
- Tributary of River Roding3
- Tributary of River Sence10
- Tributary of River Skerne8
- Tributary of River Soar13
- Tributary of River Stour (Severn Trent Water area)6
- Tributary of River Tame14
- Tributary of River Team6
- Tributary of River Tees5
- Tributary of River Tern3
- Tributary of River Tone3
- Tributary of River Wear26
- Tributary of River Weaver3
- Tributary of Rushyford Beck4
- Tributary of Smestow Brook7
- Tributary of Soar Brook5
- Tributary of Stanley Beck4
- Tributary of Stanley Burn6
- Tributary of Stockerley Burn5
- Tributary of Stroom Dyke4
- Tributary of Swan Brook3
- Tributary of the Caldon Canal3
- Tributary of the Low3
- Tributary of the Marsham Sewer4
- Tributary of the Medway3
- Tributary of the River Avon4
- Tributary of the River Beult6
- Tributary of the River Darwen3
- Tributary of the River Dee6
- Tributary of the River Itchen (Southern Water area)3
- Tributary of the River Nene3
- Tributary of the River Otter4
- Tributary of the River Rother8
- Tributary of the River Seaton4
- Tributary of the River Teise5
- Tributary of the River Yeo4
- tributary of the Solway Firth3
- Tributary of the Teville Stream4
- Tributary of the Tipton Brook4
- Tributary of Uddens Water4
- Tributary of Whissendine Brook3
- Tributary of Wyrley Brook3
- tributary River Crouch3
- tributary River Tas3
- tributary River Thet3
- tributary River Waveney4
- Triutary of Pittington Beck4
- Tyelaw Burn4
U
V
W
- Wallington10
- Walney Channel7
- Walsden Water3
- Walverden Water3
- Warmley Brook11
- Warmsworth Beck3
- Warney Brook5
- Warstones Brook3
- Wash Dike4
- Washford River4
- Wealdstone Brook7
- Weaver Navigation5
- Wellow Brook17
- Wem Brook6
- Wembley Brook5
- Wepre Brook4
- Werrington Brook3
- West Dyke6
- Western Cleddau6
- Westleigh Brook8
- Weston Mill Lake5
- Weymouth Harbour12
- Whitewell Brook6
- Whittle Brook3
- Willingdon Sewer3
- Willow Beck3
- Willow Brook (Anglian Water area)5
- Willow Brook (Severn Trent Water area)4
- Willow Brook (United Utilities area)3
- Wince Brook10
- Wiza Beck3
- Woodbury Brook3
- Woodnook Water4
- Wooler Water5
- Wootton Creek4
- Workhouse Lake of Portsmouth Harbour3
- Wray Brook8
- Wyke Beck●14