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River Slea, Hampshire facts for kids

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River Slea
The small central watercourse is the Slea/Oxney Stream, much larger to the north is the Wey (north branch)
Country England
County Hampshire
District East Hampshire
Towns Sleaford, Bordon
Physical characteristics
Main source Kingsley Stream
Kingsley Mill, Kingsley
51°07′57″N 0°52′52″W / 51.1325°N 0.8811°W / 51.1325; -0.8811
2nd source Oakhanger Stream
River mouth River Wey
North of Brockford Bridge, far north fields of parish of Headley, Hampshire
51°08′31″N 0°49′52″W / 51.1420°N 0.8310°W / 51.1420; -0.8310
Length 6.2 km (3.9 mi)
Basin features
Progression Oxney Stream, River Slea, Wey (south branch), Wey, Thames, North Sea
River system Wey catchment
  • Right:
    Oxney Moss

The River Slea is a tributary of the south branch of the River Wey in Hampshire.


The river flows east from the confluence of the Kingsley and the longer Oakhanger streams at Kingsley Mill, through the village of Sleaford until it meets the Wey just north of Brockford Bridge. The section between Kinglsey Mill and Sleaford is also known as the Oxney Stream.

The Slea's main tributary is the Oxney Moss which rises on the west side of Bordon and joins at Sleaford.

Water quality

The Environment Agency measure 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, and chemical status, which compares the concentrations of various chemicals against known safe concentrations. Chemical status is rated good or fail.

Water quality of the River Slea in 2019:

Section Ecological
Length Catchment Channel
Slea (Kingsley to Sleaford) Moderate Fail Moderate 6.79 km (4.22 mi) 31.326 km2 (12.095 sq mi)
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