Skip to main content

Welcome to HydroMaster

Your live webservice to minimise the impact of water on your operations, assets and infrastructure

What is HydroMaster?

Radar Visualisation and Analysis Tools

Animate high-resolution precipitation radar imagery (historical and forecast). Retrieve rain gauge-calibrated cumulative precipitation amounts for any defined period. Assessment and action events via a simple mouse-click.

Tailored Warnings and Alerts

Combine past, near real-time and future precipitation data. Generate automated warnings when threshold criteria are met. You decide how, when and to whom messages are issued for a timely warning system.


Add your catchment areas, zones of interest, hotspots and rain gauge data. Obtain immediate localised precipitation observations and forecasts. Compare this data with return periods to evaluate the impact on your area and take appropriate measures.

HydroMaster in Numbers

Available in



Access to


Observation Stations


Access to


Forecast Stations



Radar Images daily


Generation of


forecasts per day


Protection of

8770050 km2

in 24/7 operation

New: Recognize where (flash) floods can occur

HydroMaster provides actionable information for dealing with flash floods: You receive flash and flood warnings up to five days in advance, for any spot in the territory of your choice. Timely and reliable alerts for even the most sudden and local events – with 10-minute update and 1 km resolution.

HydroMaster’s Flash Flood Index is based on hydrodynamic simulation of high-quality weather data and comparison of the local hydrological conditions to 1, 2 and 5-year return periods events. This combination reliably recognizes and estimates the risks of future floods. Control the risks with HydroMaster!

Screenshot Vereinfachen Sie sich die Bedienung

Make yourself comfortable

HydroMaster offers you a series of interactive maps, charts and tables, radar maps, precipitation totals, alarm status and return periods. Add your favourite view to your own private dashboard with a single click. Build your personal view by repositioning and resizing the elements. With the HydroMaster Dashboard you have everything under your control.

Screenshot Stellen Sie Vorhersagen und Warnungen für Ihr Auswertungsgebiet zusammen

Tailor forecasts and warnings to your area of interest

HydroMaster acts for your area of interest instead of giving you an arbitrary forecast. With a few clicks you can draw your area of interest or highlight your personal assets and hotspots. If you have your polygons (such as catchments) derived from a GIS system, you can upload them rather than creating them again. Once HydroMaster knows your objects it will automatically calculate precipitation totals and forecasts. Access your individual results from maps, charts and tables.

Screenshot Richten Sie Ihre Alarme und Warnungen ein

Set up your alarms and warnings

Save time while HydroMaster monitors the screens for you. Set up individual alarms and warnings for your objects and organise notifications via sms, e-mail or even twitter. You can choose your preferred media channel. All alarm and warning situations are recorded and displayed on screen. A rich set of statistics including storm analysis with return periods are presented during alarm conditions or for post event analysis.

Share HydroMaster with your team

HydroMaster’s access permission allows you to set up HydroMaster for your team. Spread all the great features across your team by adding more users from your organisation. As a local administrator it is you who decides their access level. This is ideal for setting up HydroMaster for 24/7 operation rooms, or sharing alerts and warnings with others.

Did you know that you can test HydroMaster for free?

What do others say about HydroMaster?

"The HydroMaster API provides forecast information that will be processed and combined with other data from the sewerage network to allow, in certain cases, to anticipate situations and to improve the dynamic management of our facilities  in particular to reduce releases to the natural environment."

Veolia Water Hauts-de-France region
Engineer of studies and projects in charge of  subjects related to the sewerage networks

"HydroMaster developers have been very receptive to suggestions and requests to improve or add new functionality to the system to aid the authorities in their duties."

Neil Taunt, Wrexham Council's flood officer

"HydroMaster has a remarkably easy to navigate user interface and offers a high-quality weather forecasting service."

Nick Claxton, Team Manager Flood Risk Management at East Sussex County