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OS MasterMap Water Network Layer support

OS MasterMap Water Network is a digital representation of watercourses presented as a series of connected centrelines.

Getting started

OS MasterMap Water Network Layer depicts a wide range of features from aqueducts to tunnels, with full flow direction and other supplementary information.

Getting started guide (PDF)

Information on how to get started using OS MasterMap Water Network Layer.

Product guide (PDF)

This product guide is designed to provide an overview of OS MasterMap Water Network and it gives guidelines and advice on how a customer might derive the maximum benefit from the product.

Release note (PDF)

This release note provides information about the April 2019 release of OS MasterMap® Water Network Layer.

Water Network Layer FAQs

How to get this product

Technical information

OS MasterMap Water Network Layer provides a three dimensional structured link and node network of watercourses for Great Britain.

Technical specification (PDF)

Details on how to use OS MasterMap Water Network Layer.

Specifications

Key FeaturesWhat this product offers
FormatGML 3.2
Data structureVector – topologically structured link and node network
AttributesWatercourse name, flow direction, gradient, primary flow, TOID® reference, EA or SEPA catchment name and ID
Scale1:1250 – 1:10 000
Update frequencyQuarterly - April, July, October, January
SupplyDVD and download
CoverageGreat Britain
OS MasterMap Water Network Layer

OS MasterMap Water Network Layer

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