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- Published by:
- Environment Agency
- Last updated:
- 25 July 2025
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...
- Published by:
- Scottish Government SpatialData.gov.scot
- Last updated:
- 19 June 2024
River temperature is an important control on the health of fish populations. Under climate change it is expected that river temperature will rise with negative consequences for fish populations....
- Published by:
- Scottish Government SpatialData.gov.scot
- Last updated:
- 07 November 2024
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...
- Published by:
- Scottish Government SpatialData.gov.scot
- Last updated:
- 10 July 2024
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...
- Published by:
- Scottish Government SpatialData.gov.scot
- Last updated:
- 10 July 2024
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...
- Published by:
- Scottish Government SpatialData.gov.scot
- Last updated:
- 11 July 2024
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...
- Published by:
- Scottish Government SpatialData.gov.scot
- Last updated:
- 10 July 2024
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...
- Published by:
- Scottish Government SpatialData.gov.scot
- Last updated:
- 10 July 2024
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...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 24 March 2025
Digital river network of the natural and artificial streams and rivers within the Plynlimon catchments.
- Published by:
- Environment Agency
- Last updated:
- 24 October 2025
The Statutory Main River Map Variations dataset defines proposed changes to the Statutory Main River Map.
Statutory Main Rivers Map defines statutory watercourses in England designated as Main...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 19 November 2025
Data were generated to investigate the influence of bed roughness on the dynamics of large sand-bed rivers like the South Saskatchewan, Canada. The influence of roughness was investigated by using...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 29 June 2024
Chemical analysis of stream, river and rainfall samples for lowland rivers in the UK. The data are uncensored and provide a basis for research purposes, and must be viewed in this light....
- Published by:
- OpenDataNI
- Last updated:
- 20 January 2017
Rivers defined under Article 2(4) of the Water Framework Directive.
- Published by:
- Scottish Government SpatialData.gov.scot
- Last updated:
- 10 July 2024
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...
- Published by:
- Natural Resources Wales
- Last updated:
- 24 October 2025
In 2024, a River Habitat Survey (RHS), Simplified Phase 1 survey and LEAFPAC aquatic macrophyte survey was carried out on the River Wye Special Area of Conservation (SAC). This was to contribute to...
- Published by:
- Department for Environment, Food and Rural Affairs
- Last updated:
- 19 June 2015
River Water Quality (Regions), including East, East Midlands, London, North East, North West, South East, South West, Wales, West Midlands, Yorkshire-Humber & RDA Summary
- Published by:
- Environment Agency
- Last updated:
- 12 September 2025
The WFD River Waterbody Catchments Cycle 2 are a polygon dataset collated as defined for the implementation of the Water Framework Directive. Catchments are defined as an area of land from which...
- Published by:
- Environment Agency
- Last updated:
- 12 September 2025
WFD River Basin Districts is a polygon Shapefile dataset containing attributes that have been defined for the implementation of the Water Framework Directive (WFD). as '…the area of land and sea,...
- Published by:
- Environment Agency
- Last updated:
- 12 September 2025
WFD River Basin Districts is a polygon Shapefile dataset containing attributes that have been collated as defined for the implementation of the Water Framework Directive (WFD). Article 2, clause 2...
- Published by:
- Bristol City Council
- Last updated:
- 02 May 2014
River quality monitoring data (chemical,physical and bacteriological parameters tested) from 1994. The laboratory analysis & reporting can take up to a couple of months to be available.