Board’s Area and Maps

Watershed Catchment Area draining to and including the District (hectares) 113,297
Area of the Drainage District (hectares) Dynamic Map 15,109
Area of Agricultural Land, including designated wildlife sites (hectares) 12,758
Area of Residential/Industrial and other Property (hectares) 2.350
Designated Wildlife Sites (hectares) 620

Board’s Infrastructure

Number of Pumping Stations 20
Number of First and Second Line Sluices 0
Number of Other Water Level Control Structures 53
Length of Watercourse (kilometres) * 430
High Priority Watercourses, as defined by the Board (kilometres) * TBC
Raised Embankments (kilometres) 0

Environment Agency Infrastructure

Main River (tidal and fluvial) (kilometres) 121
River Raised Embankments (kilometres) 164
Sea and Tidal Defences (kilometres) 85


Asset Prioritisation Criteria
* Adoption and Abandonment Criteria
Cautionary Note

Last Updated: 20 January 2022

Contact details

During office hours
(between 8.30 am and 4.30 pm)
Tel: +44(0)1553 819600

Central Office: Pierpoint House, 28 Horsley’s Fields
King's Lynn, Norfolk, PE30 5DD

Out of hours

Please contact the Duty Officer on +44(0)7841 571251 or send an email to Otherwise if you know who you need to contact in an emergency, please refer to the Member Board’s ‘Contact us’ webpage on this site for their out of hours contact details.

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