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Statutory Main River Map Variations

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...

River Water Quality Monitoring 1990 to 2018 - Dissolved Oxygen

Published by:
OpenDataNI
Last updated:
20 May 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Dissolved Iron

Published by:
OpenDataNI
Last updated:
20 May 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Suspended Solids

Published by:
OpenDataNI
Last updated:
20 May 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Alkalinity

Published by:
OpenDataNI
Last updated:
20 May 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Biochemical Oxygen Demand

Published by:
OpenDataNI
Last updated:
20 May 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Dissolved Zinc

Published by:
OpenDataNI
Last updated:
20 May 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Nitrite

Published by:
OpenDataNI
Last updated:
20 May 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Nitrate

Published by:
OpenDataNI
Last updated:
20 May 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Conductivity

Published by:
OpenDataNI
Last updated:
20 May 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - pH

Published by:
OpenDataNI
Last updated:
20 May 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Ammonia

Published by:
OpenDataNI
Last updated:
20 May 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Soluble Phosphorus

Published by:
OpenDataNI
Last updated:
20 May 2026

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

LIDAR Composite DTM 2019 - 1m

Published by:
Environment Agency
Last updated:
01 July 2021

This dataset is no longer available on the Data Services Platform. New version of this dataset, published in June 2020 is available...

LIDAR Composite DTM 2019 - 2m

Published by:
Environment Agency
Last updated:
01 July 2021

This dataset is no longer available on the Data Services Platform. New version of this dataset, published in June 2020 is available...

LIDAR Composite DTM 2017 - 50cm

Published by:
Environment Agency
Last updated:
18 August 2022

This dataset is no longer available on the Data Services Platform. New version of the LIDAR Composite DSM data is available...

LIDAR Composite DSM 2017 - 25cm

Published by:
Environment Agency
Last updated:
18 August 2022

This dataset is no longer available on the Data Services Platform. New version of the LIDAR Composite DSM data is available here:...

LIDAR Composite DSM 2017 - 2m

Published by:
Environment Agency
Last updated:
18 August 2022

This dataset is no longer available on the Data Services Platform. New version of the LIDAR Composite DSM data is available...

LIDAR Composite DSM 2017 - 50cm

Published by:
Environment Agency
Last updated:
18 August 2022

This dataset is no longer available on the Data Services Platform. New version of the LIDAR Composite DSM data is available...

LIDAR Composite DTM 2017 - 2m

Published by:
Environment Agency
Last updated:
18 August 2022

This dataset is no longer available on the Data Services Platform. New version of the LIDAR Composite DSM data is available...