OS MasterMap Water Network Layer

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Dataset Description:

The OS MasterMap Water Network Layer offers a detailed water network showing the flow and precise course of every river, stream, lake and canal in Great Britain. The inclusion of heights above sea-level and gradients allow for detailed flood risk modelling.

 

Dataset Thumbnail:

 

Dataset Specification:

 

Product Name

OS MasterMap Water Network Layer

Data Provider

Ordnance Survey

Scale

1:1,250 to 1:10,000

Coverage

Great Britain (complete)

Data Structure

Vector (topologically structured link and node network)

Format(s)

Esri Shapefile, Esri File GeoDatabase, MapInfo TAB, MID/MIF, Autodesk DWG, OGC KML, OGC GML, CSV (attribute data only)

Uses

Large scale, site-level applications

Attributes

Watercourse name, flow direction, gradient, primary flow, TOID reference, EA or SEPA catchment name, ID

Licencing

Academic Licence

Update Frequency

Quarterly

 

Dataset Resources:

Product site
Support site
Getting Started Guide (pdf)
Product Guide (pdf)
Technical Specification (pdf)