The Northumbria River Basin District covers an area of 9,029 square kilometres from the Scottish Border to just south of Guisborough, and from the Pennines east to the North Sea. It includes Northumberland and County Durham, with small areas of North Yorkshire and Cumbria. The Rivers Tweed and Till are not included in the Northumbria River Basin District as they are part of the Solway Tweed River Basin District.

Under the Flood Risk Regulations 2009, each lead local flood authority must carry out a preliminary flood risk assessment (PFRA) for its area and review it every 6 years.

PFRAs are used to identify areas where the risk of flooding is significant.

View a map of the river basin districts.

The South East River Basin District includes the North and South Downs, the White Cliffs, the Solent and the New Forest. More than 3.1 million people live in the South East River Basin District, and there are major urban centres at Brighton and Hove, Southampton, Portsmouth and Ashford.

Under the Flood Risk Regulations 2009, each lead local flood authority must carry out a preliminary flood risk assessment (PFRA) for its area and review it every 6 years.

PFRAs are used to identify areas where the risk of flooding is significant.

View a map of the river basin districts.

The North West River Basin District is home to over 6.8 million people and some of the most stunning landscapes and water environments in the world. A large part of the region is rural and has 3 national parks, including the Lake District National Park.

Each lead local flood authority must carry out a preliminary flood risk assessment (PFRA) for its area and review it every 6 years.

PFRAs are used to identify areas where the risk of flooding is significant.

View a map of the river basin districts.

Most of the Solway Tweed River Basin District is in Scotland.

You can find information about flood risk management planning in Scotland on the SEPA website.

The English catchments of the Eden, Waver and Wampool, which drain into the Solway Firth, and the River Till in the River Tweed catchment, are also part of the Solway Tweed River Basin District. Information about the English catchments is included in the preliminary flood risk assessments for Cumbria County Council, North Yorkshire County Council and Northumberland County Council

Under the Flood Risk Regulations 2009, each lead local flood authority must carry out a preliminary flood risk assessment for its area and review it every 6 years.

PFRAs are used to identify areas where the risk of flooding is significant.

View a map of the river basin districts.

The Humber River Basin District covers an area of 26,109 square kilometres, ranging from the North York Moors to Birmingham, the Pennines to the North Sea and Stoke-on-Trent to Rutland. The river basin district has several major urban centres including Birmingham, Leeds and Sheffield.

Under the Flood Risk Regulations 2009, each lead local flood authority must carry out a preliminary flood risk assessment (PFRA) for its area and review it every 6 years.

PFRAs are used to identify areas where the risk of flooding is significant.

View a map of the river basin districts.