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The Rye
The Rye at Gutters Bridge, Leatherhead
Location
Country	England
Region	South East
District	Mole Valley District
City	Leatherhead
Physical characteristics
Source	Ashtead Common
Mouth	River Mole
• location	Leatherhead

The Rye is a stream rising east of Ashtead and flowing into the River Mole near Leatherhead, Surrey.

Course

The Rye Brook flows westwards across Ashtead Common, through the Ashtead Common National Nature Reserve, managed by the City of London Corporation. For much of its course the brook follows a straight channelled course which was dug during the Second World War in order to drain the surrounding land so that it could be used for agriculture. Under a recent (2005) initiative by the City of London Corporation, parts of the course have been remodelled. The remodelling includes meandering and reprofiling the riverbed, banks and adjacent land to create a more natural setting, in order to create a wetland habitat that will encourage a diverse wildlife.

Water quality

The Environment Agency measures the water quality of the river systems in England. Each is given an overall ecological status, which may be one of five levels: high, good, moderate, poor and bad. There are several components that are used to determine this, including biological status, which looks at the quantity and varieties of invertebrates, angiosperms and fish. Chemical status, which compares the concentrations of various chemicals against known safe concentrations, is rated good or fail.

Water quality of the Rye in 2019:

References

1. Jackson, Alan A. (1977). Ashtead, a village transformed : a history of Ashtead from the earliest times to the present day. Leatherhead: Leatherhead & District Local History Society.
2. "Glossary (see Biological quality element; Chemical status; and Ecological status)". Catchment Data Explorer. Environment Agency. 17 February 2016. Text was copied from this source, which is available under an Open Government Licence v3.0. © Crown copyright.
3. "Rye Brook at Ashtead". Catchment Data Explorer. Environment Agency.

External links

• - A Vision for Ashtead Rye Meadows Wetlands

Further reading

• Daphne Burnett, James Irvine & Simon Knibbs (eds.) Restoring the Great Marsh (2022)

51°18′15″N 0°21′18″W / 51.3042°N 0.3550°W / 51.3042; -0.3550

v t e Hydrology of Surrey
Main rivers	River Blackwater River Colne Cranleigh Waters River Mole River Ock River Thames River Tillingbourne River Wey
Canals and navigations	Basingstoke Canal Wey and Arun Canal Wey and Godalming Navigations
Ordinary watercourses	Abbey River River Ash River Bourne, Addlestone River Bourne, Chertsey Cobblers Brook River Eden River Ember Hogsmill River Law Brook Pipp Brook The Rye The Rythe Windle Brook Wish Stream Wraysbury River
Lakes, ponds and wetlands	Busbridge Lakes Claremont Landscape Garden Enton Lakes Frensham Ponds Gatton Park Goldsworth Park Hedgecourt Henfold Lakes Kempton Park Racecourse Lakeside Leisure Complex McLaren Technology Centre Mercers Country Park Painshill Sherbourne Pond Silent Pool Papercourt Marshes Silvermere Sutton Place Thorpe Park No 1 Gravel Pit Virginia Water Lake Winkworth Arboretum
Reservoirs	Bessborough Reservoir Island Barn Reservoir Kempton Park Reservoirs King George VI Reservoir Knight Reservoir Molesey Reservoirs Queen Elizabeth II Reservoir Queen Mary Reservoir Stain Hill Reservoirs Staines Reservoirs Wraysbury Reservoir
Categories: Rivers, Canals

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