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Manage your underground and overground water assets efficiently with Ordnance Survey (OS) location data.

Our data gives you accurate, up-to-date information across 41 million addresses – so you can record pipe upgrades quickly and improve customer billing.

Maintain your water mains, sewers and underground pipes with our data, with the latest insights from drainage maps and underground water maps.

Having a comprehensive overview of the big picture can help you prepare for future challenges, like water shortages and flooding.

How OS can help

Keep track of your underground utility assets

Maintain your water mains, sewers and underground pipes efficiently with location data. Quickly infer where a damaged water pipe is before sending an engineer out to fix it. Save you and your customer’s time and money in the long-term.

Manage your overground assets

Detailed, up-to-date mapping data can help you manage your overground water assets efficiently. Find the perfect location for deploying bowsers in the event of a water crisis. Realise the proximity of your water networks, pumping stations and treatment works to homes, communities, shopping centres and more.

Targeted customer billing

With our location data you can be confident that when you send a water or waste water bill to your customers, it reaches the right address first time.

How organisations are using our data

Helping Northumbrian Water create the first underground utilities map

Delivering estimated savings of around £1 million, Northumbrian Water and Ordnance Survey (OS) created the first Underground Infrastructure Hub for the North East.

All our case studies

Find out more about how OS can help your organisation save money and offer a more efficient service.

Products to help you

OS MasterMap Networks - Water Layer

OS MasterMap® Water Network Layer offers one of the world’s most detailed, heighted water networks, showing the flow and precise course of every river, stream, lake and canal in Great Britain.

OS MasterMap Topography Layer

OS MasterMap® Topography Layer is the most detailed complete and current view of Great Britain’s landscape, allowing you to make location based decisions about your assets, risks and services.​

AddressBase Premium

Our flagship address database, AddressBase® Premium gives you up to date, accurate information about addresses, properties and land areas.