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Priority River Habitat - Rivers

"One of the two datasets that make up the Priority River Habitat Map. Consists of rivers and streams that exhibit a high degree of naturalness. The naturalness classification used to map priority...

Main Rivers

The statutory main river map is a 1:10,000 scale spatial (polyline) dataset that defines statutory watercourses designated by Natural Resources Wales as main rivers. The data is for Wales...

River Obstacles

The River Obstacles dataset is an inventory of weirs, waterfalls, sluices, dams, culverts, fords and flap gates, compiled initially from digital Ordnance Survey maps and the Environment Agency's...

OS Open Rivers

OS Open Rivers GIS data contains over 144,000 km of water bodies and watercourses map data. These include freshwater rivers, tidal estuaries and canals. Understand how water bodies and...

River_Basin_Districts

These are the Water Framework Directive (WFD) River Basin Districts (RBDs) for Scotland. The river basin districts are based on river catchment boundaries. They were defined after consultation...

Chalk Rivers

PLEASE NOTE: This dataset has been retired. It is superseded by the Chalk Rivers (England) dataset published by Natural England. This record is for Approval for Access product AfA429. This is a low...

Chalk Rivers (England)

Priority Habitat Chalk Rivers, based on Environment Agency Detailed River Network v3. Data prepared Autumn 2021. Attribution statement: © Natural England copyright. Contains Ordnance Survey data ©...

River Basin District Catchment

The least detailed level of catchment published by authoritative bodies, defined as a river basin or several river basins, together with associated coastal waters. A river basin district is the...

River Macrophytes Database

The JNCC River Macrophytes Database (RMD) is a Microsoft Access database constructed to house data on the plant communities of rivers in Great Britain and Northern Ireland. An extract in Excel...

River Flood Maps (FRM_FH_RIVER_EXTENT_L)

These maps have been produced to meet SEPA’s duty to publish flood hazard maps as set out in the Flood Risk Management (Scotland) Act 2009. The maps show where there is a risk of flooding from the...

River Flood Maps (FRM_FH_RIVER_DEPTH_L)

These maps have been produced to meet SEPA’s duty to publish flood hazard maps as set out in the Flood Risk Management (Scotland) Act 2009. The maps show where there is a risk of flooding from the...

River water bodies

River water bodies created for the Water Framework Directive (2000/60/EC)

River Flood Maps (FRM_FH_RIVER_VELOCITY_M)

These maps have been produced to meet SEPA’s duty to publish flood hazard maps as set out in the Flood Risk Management (Scotland) Act 2009. The maps show where there is a risk of flooding from the...

River Flood Maps (FRM_FH_RIVER_VELOCITY_H)

These maps have been produced to meet SEPA’s duty to publish flood hazard maps as set out in the Flood Risk Management (Scotland) Act 2009. The maps show where there is a risk of flooding from the...

River Flood Maps (FRM_FH_RIVER_VELOCITY_L)

These maps have been produced to meet SEPA’s duty to publish flood hazard maps as set out in the Flood Risk Management (Scotland) Act 2009. The maps show where there is a risk of flooding from the...

River Flood Maps (FRM_FH_RIVER_DEPTH_M)

The following probabilities are available for river flooding: - High - 10 year return period - Medium - 200 year return period - Low - 1000 year return period and 200 year return period plus...

River Flood Maps (FRM_FH_RIVER_EXTENT_M)

The following probabilities are available for river flooding: - High - 10 year return period - Medium - 200 year return period - Low - 1000 year return period and 200 year return period plus...

River Flood Maps (FRM_FH_RIVER_DEPTH_H)

The following probabilities are available for river flooding: - High - 10 year return period - Medium - 200 year return period - Low - 1000 year return period and 200 year return period plus...

River Flood Maps (FRM_FH_RIVER_EXTENT_H)

The following probabilities are available for river flooding: - High - 10 year return period - Medium - 200 year return period - Low - 1000 year return period and 200 year return period plus...

Historic River Quality Objectives

This record is for Approval for Access product AfA164. The River Quality Objectives (RQO) classification was used for planning water quality improvements until 2006 when the scheme ended. RQOs were...