Click on a monitoring station name to view live and historical river data
| Station | Parameter | River | Town |
|---|---|---|---|
| Abercairn Road | Abercairn Road Level (Stage) | River Graveney | London |
| Addington Lodge | Addington Lodge Level (Groundwater) | Groundwater Level | Croydon |
| Arabella Drive | Arabella Drive Level (Stage) | London | |
| Arnos Park | Arnos Park Level (Downstream Stage) | Pymmes Brook | London |
| Arnos Park | Arnos Park Level (Stage) | Pymmes Brook | London |
| Barking Barrier | Barking Barrier Level (Tidal Level) | Barking | |
| Barking Barrier | Barking Barrier Level (Tidal Level) | Barking | |
| Barking Barrier | Barking Barrier Level (Tidal Level) | Barking | |
| Barking Barrier | Barking Barrier Level (Tidal Level) | Barking | |
| Barking Barrier | Barking Barrier Level (Tidal Level) | Barking | |
| Barking Barrier | Barking Barrier Level (Tidal Level) | Barking | |
| Barking Barrierr | Barking Barrierr Level (Tidal Level) | Barking | |
| Barking Barrierr | Barking Barrierr Level (Tidal Level) | Barking | |
| Barking Barrierr | Barking Barrierr Level (Tidal Level) | Barking | |
| Barnes | Barnes Level (Stage) | Beverley Brook | London |
| Beam Auto Sluice Fd | Beam Auto Sluice Fd Level (Downstream Stage) | Dagenham | |
| Beam Auto Sluice Fd | Beam Auto Sluice Fd Level (Stage) | Dagenham | |
| Beam Auto Sluice Fd | Beam Auto Sluice Fd Level (Stage) | Dagenham | |
| Beam Tidal Sluice Fd | Beam Tidal Sluice Fd Level (Downstream Stage) | Dagenham | |
| Beam Tidal Sluice Fd | Beam Tidal Sluice Fd Level (Stage) | Dagenham | |
| Beckenham | Beckenham Level (Stage) | The Beck | Beckenham |
| Beckenham Park | Beckenham Park Level (Stage) | River Ravensbourne | Bromley |
| Beddington Park | Beddington Park Level (Stage) | River Wandle | Wallington |
| Beddington Stw Chalk Obh | Beddington Stw Chalk Obh Level (Groundwater) | Wallington | |
| Beddington Stw Upper Sands Obh | Beddington Stw Upper Sands Obh Level (Groundwater) | Wallington | |
| Bishops Avenue | Bishops Avenue Level (Stage) | River Ravensbourne | Bromley |
| Braybourne Close | Braybourne Close Level (Downstream Stage) | Uxbridge | |
| Braybourne Close | Braybourne Close Level (Downstream Stage) | Uxbridge | |
| Braybourne Close | Braybourne Close Level (Stage) | Uxbridge | |
| Braybourne Close | Braybourne Close Level (Stage) | Uxbridge | |
| Brent Cross | Brent Cross Level (Stage) | River Brent | London |
| Brent Reservoir | Brent Reservoir Level (Stage) | London | |
| Brent, Monks Park | Brent, Monks Park Level (Stage) | River Brent | London |
| Brentford | Brentford Level (Stage) | River Brent | Brentford |
| Bromley | Bromley Level (Downstream Stage) | River Ravensbourne | Bromley |
| Bromley | Bromley Level (Downstream Stage) | River Ravensbourne | Bromley |
| Bromley | Bromley Level (Stage) | River Ravensbourne | Bromley |
| Bromley | Bromley Level (Stage) | River Ravensbourne | Bromley |
| Bromley South | Bromley South Level (Stage) | River Ravensbourne | Bromley |
| Bury Farm Fsa Fd | Bury Farm Fsa Fd Level (Stage) | Edgware | |
| Carshalton Ponds | Carshalton Ponds Level (Stage) | River Wandle | Carshalton |
| Catford Hill | Catford Hill Level (Stage) | River Ravensbourne | London |
| Charlton | Charlton Level (Tidal Level) | Thames Tideway | London |
| Charlton Tl | Charlton Tl Level (Tidal Level) | London | |
| Chelsea | Chelsea Level (Tidal Level) | Thames Tideway | London |
| Chelsea Tl | Chelsea Tl Level (Tidal Level) | London | |
| Chinbrook Park | Chinbrook Park Level (Stage) | River Quaggy | London |
| Chingford | Chingford Level (Stage) | Ching Brook | London |
| Colindale | Colindale Level (Downstream Stage) | Silk Stream | London |
| Colindale | Colindale Level (Stage) | Silk Stream | London |
| Collier Row | Collier Row Level (Stage) | River Rom | Romford |
| Crane Tidal Gates Fws | Crane Tidal Gates Fws Level (Downstream Stage) | Isleworth | |
| Crane Tidal Gates Fws | Crane Tidal Gates Fws Level (Stage) | Isleworth | |
| Cranford Park | Cranford Park Level (Stage) | River Crane | Hounslow |
| Crayford | Crayford Level (Stage) | River Cray | Dartford |
| Crayford Gs | Crayford Gs Flow | Dartford | |
| Downham Lane | Downham Lane Level (Stage) | Spring Brook | Bromley |
| East Ur And East Dr | East Ur And East Dr Level (Tidal Level) | London | |
| East Ur And West Dr | East Ur And West Dr Level (Tidal Level) | London | |
| Edgware Hospital | Edgware Hospital Level (Stage) | Silk Stream | Edgware |
| Edgware, Deans Brook | Edgware, Deans Brook Level (Stage) | Deans Brook | Edgware |
| Edgwarebury Fsa Fd | Edgwarebury Fsa Fd Level (Stage) | Edgware | |
| Edmonton Green | Edmonton Green Level (Stage) | Salmon Brook | London |
| Edmonton, Silver Street | Edmonton, Silver Street Level (Stage) | Pymmes Brook | London |
| Eltham Palace Road Fd | Eltham Palace Road Fd Level (Downstream Stage) | London | |
| Eltham Palace Road Fd | Eltham Palace Road Fd Level (Downstream Stage) | London | |
| Eltham Palace Road Fd | Eltham Palace Road Fd Level (Height) | London | |
| Eltham Palace Road Fd | Eltham Palace Road Fd Level (Stage) | London | |
| Eltham Palace Road Fd | Eltham Palace Road Fd Level (Stage) | London | |
| Enfield, Albany Park | Enfield, Albany Park Level (Stage) | Turkey Brook | Enfield |
| Enfield, Ordance Road | Enfield, Ordance Road Level (Stage) | Small River Lee | Enfield |
| Enfield, The Chine | Enfield, The Chine Level (Stage) | Salmon Brook | London |
| Erith Deep Wharf | Erith Deep Wharf Level (Tidal Level) | Thames Tideway | Erith |
| Erith Deep Wharf | Erith Deep Wharf Level (Tidal Level) | Thames Tideway | Erith |
| Erith Tg And Charlton | Erith Tg And Charlton Level (Tidal Level) | London | |
| Erith Tg And Tower Pier | Erith Tg And Tower Pier Level (Tidal Level) | London | |
| Eynsford Close | Eynsford Close Level (Stage) | Kyd Brook | Orpington |
| Field End Road Fd | Field End Road Fd Level (Downstream Stage) | Ruislip | |
| Field End Road Fd | Field End Road Fd Level (Stage) | Ruislip | |
| Frog Island Tidal Sluice Fd | Frog Island Tidal Sluice Fd Level (1) | Rainham | |
| Frog Island Tidal Sluice Fd | Frog Island Tidal Sluice Fd Level (1) | Rainham | |
| Frog Island Tidal Sluice Fd | Frog Island Tidal Sluice Fd Level (Stage) | Rainham | |
| Frog Island Tidal Sluice Fd | Frog Island Tidal Sluice Fd Level (Stage) | Rainham | |
| Gaynes Park | Gaynes Park Level (Downstream Stage) | River Ingrebourne | Upminster |
| Gaynes Park | Gaynes Park Level (Stage) | River Ingrebourne | Upminster |
| Gosshill Road | Gosshill Road Level (Downstream Stage) | Kyd Brook | Chislehurst |
| Gosshill Road | Gosshill Road Level (Height) | Kyd Brook | Chislehurst |
| Gosshill Road | Gosshill Road Level (Stage) | Kyd Brook | Chislehurst |
| Graveney At Robinson Road | Graveney At Robinson Road Level (Stage) | London | |
| Greenford, Costons Lane | Greenford, Costons Lane Level (Stage) | River Brent | Greenford |
| Hackbridge | Hackbridge Level (Stage) | River Wandle | Wallington |
| Hall Place | Hall Place Level (Stage) | River Cray | Bexley |
| Hampstead Suburb | Hampstead Suburb Level (Stage) | Mutton Brook | London |
| Hanwell | Hanwell Level (Stage) | River Brent | London |
| Harold Park | Harold Park Level (Stage) | River Ingrebourne | Romford |
| Harrow, Thistledene Avenue | Harrow, Thistledene Avenue Level (Stage) | The Roxbourne | Harrow |
| Harrow, Village Way | Harrow, Village Way Level (Stage) | Yeading Brook | Pinner |
| Havering Tidal Sluice Fd | Havering Tidal Sluice Fd Level (1) | Rainham | |
| Havering Tidal Sluice Fd | Havering Tidal Sluice Fd Level (2) | Rainham | |
| Havering Tidal Sluice Fd | Havering Tidal Sluice Fd Level (Stage) | Rainham | |
| Hayes Lane | Hayes Lane Level (Downstream Stage) | River Ravensbourne | Bromley |
| Hayes Lane | Hayes Lane Level (Height) | River Ravensbourne | Bromley |
| Hayes Lane | Hayes Lane Level (Height) | River Ravensbourne | Bromley |
| Hayes Lane | Hayes Lane Level (Stage) | River Ravensbourne | Bromley |
| Hazelmere Road | Hazelmere Road Level (Stage) | Kyd Brook | Orpington |
| Hillingdon, Charville Lane | Hillingdon, Charville Lane Level (Stage) | Yeading Brook | Hayes |
| Hillingdon, Gutteridge Wood | Hillingdon, Gutteridge Wood Level (Stage) | Yeading Brook | Uxbridge |
| Hornchurch_Bretons Farm | Hornchurch_Bretons Farm Level (Stage) | River Beam | Hornchurch |
| Hornchurch_Bretons Farm | Hornchurch_Bretons Farm Level (Stage) | River Beam | Hornchurch |
| Horseshoe Corner Tidal Sluice Fd | Horseshoe Corner Tidal Sluice Fd Level (Stage) | Dagenham | |
| Howletts Lane, Ruislip | Howletts Lane, Ruislip Level (Stage) | Cannon Brook | Ruislip |
| Huntsmoor Weir | Huntsmoor Weir Level (Stage) | Tranent | |
| Huntsmoor Weir | Huntsmoor Weir Level (Stage) | Tranent | |
| Huntsmoor Weir | Huntsmoor Weir Level (Stage) | Tranent | |
| Huntsmoor Weir | Huntsmoor Weir Level (Stage) | Tranent | |
| Huntsmoor Weir | Huntsmoor Weir Level (Stage) | Tranent | |
| Ickenham, Swakeleys Road | Ickenham, Swakeleys Road Level (Stage) | River Pinn | Uxbridge |
| Iver, Clisbys Bridge | Iver, Clisbys Bridge Level (Stage) | River Colne | Iver |
| Kenton Lane | Kenton Lane Level (Downstream Stage) | Wealdstone Brook | Harrow |
| Kenton Lane | Kenton Lane Level (Stage) | Wealdstone Brook | Harrow |
| King Charles Road Fws | King Charles Road Fws Level (Stage) | Surbiton | |
| Kings College | Kings College Level (Stage) | Pyl Brook | London |
| Kingston | Kingston Flow | River Thames | Kingston Upon Thames |
| Kingston | Kingston Flow | River Thames | Kingston Upon Thames |
| Kingston | Kingston flow (Water) | River Thames | Kingston Upon Thames |
| Kingston | Kingston Level (Stage) | River Thames | Kingston Upon Thames |
| Kingston | Kingston Level (Stage) | River Thames | Kingston Upon Thames |
| Kingston Hogsmill | Kingston Hogsmill Level (Stage) | Hogsmill River | Kingston Upon Thames |
| Kydbrook Close | Kydbrook Close Level (Stage) | Kyd Brook | Orpington |
| Lamorbey Park | Lamorbey Park Level (Stage) | Shuttle Tributary Cray | Bexley |
| Lea Bridge | Lea Bridge Flow | River Lee | London |
| Lea Bridge | Lea Bridge Level (Stage) | River Lee | London |
| Longley Road | Longley Road Flow | River Graveney | London |
| Longley Road | Longley Road Level (Downstream Stage) | River Graveney | London |
| Longley Road | Longley Road Level (Stage) | River Graveney | London |
| Lower Camden | Lower Camden Level (Stage) | Kyd Brook | Chislehurst |
| Loxford Sluices Fd | Loxford Sluices Fd Level (1) | Barking | |
| Loxford Sluices Fd | Loxford Sluices Fd Level (2) | Barking | |
| Loxford Sluices Fd | Loxford Sluices Fd Level (Stage) | Barking | |
| Magpie Hall Lane | Magpie Hall Lane Level (Stage) | River Ravensbourne | Bromley |
| Manor House Gardens | Manor House Gardens Level (Stage) | River Quaggy | London |
| Marsh Farm | Marsh Farm Level (Stage) | River Crane | Twickenham |
| Mereway Road | Mereway Road Level (Downstream Stage) | Twickenham | |
| Mereway Road | Mereway Road Level (Stage) | Twickenham | |
| Mogden Gs | Mogden Gs Level (Stage) | Isleworth | |
| Morden Park | Morden Park Level (Stage) | Pyl Brook | Morden |
| Motspur Park | Motspur Park Level (Stage) | Beverley Brook | New Malden |
| Mottingham Lane Fd | Mottingham Lane Fd Level (Stage) | London | |
| New Barnet | New Barnet Level (Stage) | Pymmes Brook | Barnet |
| New Malden | New Malden Level (Stage) | Beverley Brook | London |
| North Cheam | North Cheam Level (Stage) | Pyl Brook | Sutton |
| North Finchley | North Finchley Level (Stage) | Dollis Brook | London |
| Northholt, Yeading East | Northholt, Yeading East Level (Stage) | Yeading Brook (Eastern Arm) | Ruislip |
| Oakbrook Close Fd | Oakbrook Close Fd Level (Stage) | Bromley | |
| Old Mill House Penstock | Old Mill House Penstock Level (Stage) | Uxbridge | |
| Pinner, Avenue Road | Pinner, Avenue Road Level (Stage) | River Pinn | Pinner |
| Pinner, Avenue Road | Pinner, Avenue Road Level (Stage) | River Pinn | Pinner |
| Pinner, Eastcote Road | Pinner, Eastcote Road Level (Stage) | River Pinn | Pinner |
| Pinner, Moss Close | Pinner, Moss Close Level (Stage) | River Pinn | Pinner |
| Purleybury | Purleybury Level (Groundwater) | Groundwater Level | Purley |
| Purleybury | Purleybury Level (Groundwater) | Groundwater Level | Purley |
| Purleybury | Purleybury Level (Groundwater) | Groundwater Level | Purley |
| Pyl Brook At West Barnes (Kings College) | Pyl Brook At West Barnes (Kings College) Level (Stage) | New Malden | |
| Rainham Main Fd | Rainham Main Fd Level (Downstream Stage) | Rainham | |
| Rainham Main Fd | Rainham Main Fd Level (Stage) | Rainham | |
| Rainham Main Fd | Rainham Main Fd Level (Stage) | Rainham | |
| Rainham Main Fd | Rainham Main Fd Level (Stage) | Rainham | |
| Rainham Main Fd | Rainham Main Fd Level (Downstream Stage) | Rainham | |
| Rainham Main Fd | Rainham Main Fd Level (Stage) | Rainham | |
| Redbridge | Redbridge Level (Stage) | River Roding | Ilford |
| Richmond | Richmond Level (Tidal Level) | Thames Tideway | Richmond |
| River Wandle At Beddington Park Fd | River Wandle At Beddington Park Fd Level (Downstream Stage) | Wallington | |
| River Wandle At Beddington Park Fd | River Wandle At Beddington Park Fd Level (Stage) | Wallington | |
| River Wandle At Goat Bridge | River Wandle At Goat Bridge Level (Downstream Stage) | Mitcham | |
| River Wandle At Goat Bridge | River Wandle At Goat Bridge Level (Stage) | Mitcham | |
| River Wandle At Merton Abbey | River Wandle At Merton Abbey Level (Stage) | London | |
| River Wandle At Morden Hall | River Wandle At Morden Hall Level (Downstream Stage) | Morden | |
| River Wandle At Morden Hall | River Wandle At Morden Hall Level (Downstream Stage) | Morden | |
| River Wandle At Morden Hall | River Wandle At Morden Hall Level (Stage) | Morden | |
| River Wandle At Ravensbury Mill | River Wandle At Ravensbury Mill Level (Downstream Stage) | Morden | |
| River Wandle At Ravensbury Mill | River Wandle At Ravensbury Mill Level (Stage) | Morden | |
| Romford | Romford Level (Stage) | River Rom | Romford |
| Ruislip | Ruislip Level (Stage) | River Pinn | Ruislip |
| Ruxley Pits Outfall Rl | Ruxley Pits Outfall Rl Level (Stage) | Sidcup | |
| Ruxley Pits Outfall Rl | Ruxley Pits Outfall Rl Level (Stage) | Sidcup | |
| Seven Kings Park | Seven Kings Park Level (Stage) | Loxford Water | Ilford |
| Silvertown | Silvertown Level (Tidal Level) | Thames Tideway | London |
| Silvertown And Charlton | Silvertown And Charlton Level (Tidal Level) | London | |
| Silvertown And Tower Pier | Silvertown And Tower Pier Level (Tidal Level) | London | |
| Stanmore, Wolverton Road | Stanmore, Wolverton Road Level (Stage) | Edgware Brook | Stanmore |
| Stanwell Gate 1 (Lake Offtake) | Stanwell Gate 1 (Lake Offtake) Level (1) | Staines-Upon-Thames | |
| Stanwell Gate 1 (Lake Offtake) | Stanwell Gate 1 (Lake Offtake) Level (Stage) | Staines-Upon-Thames | |
| Summerstown | Summerstown Level (Stage) | River Wandle | London |
| Sweeps Lane | Sweeps Lane Level (Groundwater) | Groundwater Level | Orpington |
| Teddington Lock | Teddington Lock Level (Downstream Stage) | River Thames | Teddington |
| Teddington Lock | Teddington Lock Level (Downstream Stage) | River Thames | Teddington |
| Teddington Lock | Teddington Lock Level (Stage) | River Thames | Teddington |
| Teddington Lock Head(Aod) | Teddington Lock Head(Aod) Level (Tidal Level) | Teddington | |
| Teddington Lock Head(Aod) | Teddington Lock Head(Aod) Level (Tidal Level) | Teddington | |
| Teddington Lock Tail (Aod) | Teddington Lock Tail (Aod) Level (Tidal Level) | Teddington | |
| Teddington Lock Tail (Aod) | Teddington Lock Tail (Aod) Level (Tidal Level) | Teddington | |
| Thames At Kingston (Backup) | Thames At Kingston (Backup) Flow | Kingston Upon Thames | |
| Thames At Kingston (Backup) | Thames At Kingston (Backup) flow (Water) | Kingston Upon Thames | |
| Thames At Kingston (Backup) | Thames At Kingston (Backup) Level (Stage) | Kingston Upon Thames | |
| Thames At Kingston (Backup) | Thames At Kingston (Backup) Level (Stage) | Kingston Upon Thames | |
| Thorney Mill Road, West Drayton (Temporary) | Thorney Mill Road, West Drayton (Temporary) Level (Stage) | River Colne | West Drayton |
| Thornton Heath | Thornton Heath Level (Stage) | Norbury Brook | Thornton Heath |
| Tower Pier | Tower Pier Level (Tidal Level) | Thames Tideway | London |
| Tower Pier | Tower Pier Level (Tidal Level) | Thames Tideway | London |
| Trowlock Island | Trowlock Island Level (Stage) | River Thames | Teddington |
| Trowlock Island | Trowlock Island Level (Stage) | River Thames | Teddington |
| Upper Elmers End | Upper Elmers End Level (Stage) | St James Stream | Beckenham |
| Uxbridge | Uxbridge Level (Stage) | River Pinn | Uxbridge |
| Uxbridge, Fountains Mill | Uxbridge, Fountains Mill Level (Stage) | Frays River | Uxbridge |
| Uxbridge, Hercies Road | Uxbridge, Hercies Road Level (Stage) | River Pinn | Uxbridge |
| Uxbridge, Philpots Bridge | Uxbridge, Philpots Bridge Level (Stage) | River Pinn | West Drayton |
| Waddon Ponds | Waddon Ponds Level (Stage) | River Wandle | Croydon |
| Walthamstow | Walthamstow Level (Stage) | Ching Brook | London |
| Walthamstow, Low Hall | Walthamstow, Low Hall Level (Downstream Stage) | River Lee | London |
| Walthamstow, Low Hall | Walthamstow, Low Hall Level (Stage) | River Lee | London |
| Wandle Park Main Channel | Wandle Park Main Channel Level (Stage) | River Wandle | London |
| Wandle Park Side Channel | Wandle Park Side Channel Level (Stage) | River Wandle | London |
| Watermeads Fws | Watermeads Fws Level (1) | Mitcham | |
| Watermeads Fws | Watermeads Fws Level (Downstream Stage) | Mitcham | |
| Watermeads Fws | Watermeads Fws Level (Stage) | Mitcham | |
| Watermeads Fws | Watermeads Fws Level (1) | Mitcham | |
| Watermeads Fws | Watermeads Fws Level (Downstream Stage) | Mitcham | |
| Watermeads Fws | Watermeads Fws Level (Stage) | Mitcham | |
| Waxwell Lane | Waxwell Lane Level (Stage) | River Pinn | Pinner |
| Weigall Road Fd | Weigall Road Fd Level (Stage) | London | |
| Wembley | Wembley Level (Stage) | Wealdstone Brook | Wembley |
| West Drayton | West Drayton Level (Stage) | River Colne | West Drayton |
| West Ur And East Dr | West Ur And East Dr Level (Tidal Level) | London | |
| West Ur And West Dr | West Ur And West Dr Level (Tidal Level) | London | |
| Westfields Sluice Fd | Westfields Sluice Fd Level (Downstream Stage) | London | |
| Westfields Sluice Fd | Westfields Sluice Fd Level (Downstream Stage) | London | |
| Westfields Sluice Fd | Westfields Sluice Fd Level (Stage) | London | |
| Westfields Sluice Fd | Westfields Sluice Fd Level (Stage) | London | |
| Westminster | Westminster Level (Tidal Level) | Thames Tideway | London |
| Westminster | Westminster Level (Tidal Level) | Thames Tideway | London |
| Whetstone | Whetstone Level (Stage) | Dollis Brook | London |
| Willersley Avenue Usgs | Willersley Avenue Usgs Level (Stage) | Sidcup | |
| Wimbledon Common | Wimbledon Common Level (Stage) | Beverley Brook | London |
| Winsford Road | Winsford Road Level (Stage) | River Pool | London |
| Woodlands Road | Woodlands Road Level (Stage) | Kyd Brook | Bromley |
| Worcester Park | Worcester Park Level (Stage) | Beverley Brook | Worcester Park |
| Yeading, Brookside Road | Yeading, Brookside Road Level (Stage) | Yeading Brook | Hayes |
| Yiewsley | Yiewsley Level (Stage) | Frays River | West Drayton |