Gatwick Stream

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Gatwick Stream
Tinsley Bridge, over the Gatwick Stream, Tinsley Green, Crawley, West Sussex - - 28596.jpg
Tinsley Bridge over the Gatwick Stream
Country England
Counties West Sussex
Districts / Boroughs Horsham, Crawley
Towns Crawley
Landmark Gatwick Airport
 - location Worthlodge Forest, Mid Sussex, West Sussex
 - elevation 115 m (377 ft)
Mouth River Mole
Discharge for Gatwick Link
 - average 0.72 m3/s (25 cu ft/s)
 - max 14.7 m3/s (519 cu ft/s) (24 December 2013)
 - min 0.12 m3/s (4 cu ft/s) (13 August 1976)

The Gatwick Stream is a tributary of the River Mole in southern England. The Gatwick Stream rises in Worth Forest below Clays lake in West Sussex, flows northwards through Tilgate Forest, alongside Tilgate golf course, through Maidenbower, Three Bridges, and Tinsley Green to meet the River Mole on the border between West Sussex and Surrey.


Native species of fish found in this stream include Brown Trout, Chub, Dace, Roach, Pike, Millers Thumb (European Bullhead), Brook Lamprey, Gudgeon, Stone Loach and Minnow.

Upper Mole Flood Alleviation Scheme[edit]

  • 1) Raise the dam at Clays Lake to provide enlarged flood storage protecting passengers of the London-Brighton main line railway, also people living in Maidenbower, Crawley.
  • 2) Provision of a new flood detention dam (FDR) at Worth Farm to add additional resilience to flood alleviation of the M23 motorway.
  • 3) A river restoration scheme at Gratton Park nature reserve, Three Bridges, involving the replacement of the existing straight concrete channel with a natural meandering earth channel.
  • 4) The raising of the dam at Tilgate Lake to provide additional flood storage, protecting hundreds of homes vulnerable to flooding in Furnace Green, Pound Hill, Three Bridges, Tinsley Green and Horley.[1]

Sewage Treatment Works[edit]

Crawley Sewage Treatment Works is located adjacent to the stream, downstream of Crawley and discharges up to 15 Ml of water per day into the river.[2]

See also[edit]


  1. ^ "Gatwick Stream Dams Flood Risk Assessment" (PDF). Environment Agency. Jan 2011. 
  2. ^ Hazelton C (1998). "Variations between continuous and spot-sampIing techniques in monitoring a change in river-water quality". Water and Environment Journal. 12 (2): 124–129. doi:10.1111/j.1747-6593.1998.tb00161.x. 

Coordinates: 51°09′58″N 0°10′31″W / 51.16624°N 0.17529°W / 51.16624; -0.17529