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River Lee at Walthamstow, Low Hall
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Ching Brook at Chingford
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Silk Stream at Edgware Hospital
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River Pool at Winsford Road
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Cobbins Brook at Waltham Abbey, Sewardstone Road
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River Wandle at Beddington Park
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Mutton Brook at Hampstead Suburb
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Theobalds Brook at Cheshunt, Trinity Lane
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Yeading Brook (Eastern Arm) at Northholt, Yeading East
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Small River Lee at Cheshunt, Windmill Lane
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Thames Tideway at Westminster
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Kyd Brook at Gosshill Road
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River Wandle at Hackbridge
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Dollis Brook at Whetstone
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River Ravensbourne at Bishops Avenue
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Hogsmill River at Ewell
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Pyl Brook at North Cheam
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River Ravensbourne at Hayes Lane
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River Ravensbourne at Catford Hill
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Pymmes Brook at Edmonton, Silver Street
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Edgware Brook at Stanmore, Wolverton Road
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River Wandle at Wandle Park Side Channel
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Pymmes Brook at New Barnet
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River Crane at Cranford Park
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The Roxbourne at Harrow, Thistledene Avenue
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River Wandle at Waddon Ponds
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Wealdstone Brook at Kenton Lane
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Yeading Brook at Harrow, Village Way
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River Wandle at Summerstown
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River Ravensbourne at Magpie Hall Lane
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Hogsmill River at Worcester Road
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River Brent at Brent Cross
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River Brent at Brent, Monks park
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River Brent at Hanwell
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River Quaggy at Manor House Gardens
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Beverley Brook at Barnes
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Salmon Brook at Enfield, The Chine
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Kyd Brook at Woodlands Road
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River Stort at Roydon, Glen Faba
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Kyd Brook at Eynsford Close
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Rags Brook at Cheshunt, Rosedale way
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Beverley Brook at Worcester Park
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Pyl Brook at Morden Park
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Beverley Brook at Wimbledon Common
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Pyl Brook at Kings College
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Cobbins Brook at Waltham Abbey
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River Ravensbourne at Beckenham Park
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River Quaggy at Chinbrook Park
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Wealdstone Brook at Wembley
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Ching Brook at Walthamstow
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Yeading Brook at Yeading, Brookside Road
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River Crane at Marsh Farm
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The Beck at Beckenham
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River Brent at Brentford
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River Wandle at Carshalton Ponds
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River Graveney at Longley Road
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Norbury Brook at Thornton Heath
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Yeading Brook at Hillingdon, Charville Lane
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River Lee at Lea Bridge
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River Brent at Greenford,Costons Lane
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Kyd Brook at Lower Camden
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Dollis Brook at North Finchley
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River Ravensbourne at Bromley South
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Nazeing Brook at Lower Nazeing
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Small River Lee at Enfield, Ordance Road
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Kyd Brook at Kydbrook Close
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River Graveney at Abercairn Road
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Beverley Brook at Motspur Park
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Beverley Brook at New Malden
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Pymmes Brook at Arnos Park
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Spring Brook at Downham Lane
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Hogsmill River at Kingston Hogsmill
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River Ravensbourne at Bromley
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Kyd Brook at Hazelmere Road
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Turkey Brook at Enfield, Albany Park
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Silk Stream at Colindale
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Deans Brook at Edgware, Deans Brook
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St James Stream at Upper Elmers End
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River Wandle at Wandle Park Main Channel
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Salmon Brook at Edmonton Green
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Yeading Brook at Hillingdon, Gutteridge Wood
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Arabella Drive
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Mottingham Lane FD
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Kiora Radial Gates
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Pyl Brook at West Barnes (Kings College)
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Brent Reservoir
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Westfields Sluice FD
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Eltham Palace Road FD
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Feildes Weir Ultrasonic
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Oakbrook Close FD
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Meadgate Sluices
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Feildes Weir Ultrasonic
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River Lee at Feildes Weir (Gauged)
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Bourne Hall Ponds at Ewell
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Feildes Weir
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Field End Road FD
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Weigall Road FD
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River Wandle at Morden Hall
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River Wandle at Beddington Park FD
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River Wandle at Ravensbury Mill
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Graveney at Robinson Road
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River Wandle at Merton Abbey
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River Wandle at Watermeads
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River Wandle at Watermeads
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Bury Farm FSA FD
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Rammey Marsh Sluices
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Mogden GS
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David Stoker Radial Gates
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Edgwarebury FSA FD
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Richard White Radial Gates
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Mereway Road
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River Wandle at Goat Bridge
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River Medway at tQ25 13
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Groundwater Level at Chipstead GWL
