Join the Flood Network


Our low-cost wireless sensors harness the power of the Internet of Things to give you updates about waterways, culverts, rivers, ditches and even groundwater. They're battery powered and connect wirelessly to a gateway which sends the data back to our system using the Internet. A web map visualises your waterways and their levels at 

If you own sensors you can view and analyse your data in detail, export data and manage your devices.

What does it do?

The information helps people to make better decisions during floods and quickly shares knowledge of a changing situation. We combine Environment Agency data with yours and other sensors to give a near real-time picture of levels.

With a subscription you and a group of members can be alerted by SMS or email as water levels change. You can manage your data and devices more closely and analyse the data, choosing whether to publish as open data.

New hardware


Flood Network's 2nd Generation hardware is now taking pre-orders from February 2017. It uses a new long-range low-power wireless technology called LoRaWAN, allowing our sensors to connect over several kilometres without using a mobile network. It's compatible with The Things Network, an open, free worldwide IoT sensor network anyone can help build.

The new sensors are being piloted by City of Bradford Metropolitan District Council and soon to be City of Cardiff Council.


You can install a Flood Monitor and see your readings live on the map every 15 minutes. Flood Monitors (£270) are available to groups or individuals who'd like an unobtrusive, low-cost way of monitoring water levels and contributing this to a bigger community.  

They're also suitable for catchment studies and managers who can use them to gather data on things like the success of alleviation schemes and effectiveness of natural flood management.

Get in touch

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