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)
The Getting Started Guide provides instructions for using the product in different software applications. Users with limited technical knowledge will be able to follow this guide.
Overview (PDF)
The Overview introduces the product and gives context for all users. It highlights key features, provides examples of potential uses for the product and lists details like file sizes, supply formats, etc.
Release note (PDF)
This release note provides information about the latest release of OS MasterMap® Water Network Layer.
Technical information
OS MasterMap Water Network Layer provides a three-dimensional structured link and node network of watercourses for Great Britain.
Technical specification (PDF)
The Technical Specification provides detailed technical information about the product. It is targeted at technical users and software developers.
| Key Features | What this product offers |
|---|---|
| Format | GML 3.2.1, Geopackage and Vector Tiles |
| Data structure | Vector – topologically structured link and node network |
| Attributes | Watercourse name, flow direction, gradient, primary flow, TOID® reference, EA or SEPA catchment name and ID |
| Scale | 1:1250 – 1:10 000 |
| Update frequency | Quarterly - April, July, October, January |
| Supply | OS Datahub download |
| Coverage | Great Britain |
Links and downloads
All the information you need to get started with OS MasterMap Water Network Layer.
FAQs
