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 latest release of OS MasterMap® Water Network Layer.
Water Network Layer FAQs
|Key Features||What this product offers|
|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||DVD and download|