Hydro-Logic is now part of Hydro International.

Surface Water Flooding System installed for Nottingham City Council


As the provider of Flood Warning Systems to Nottingham City Council, we were approached to provide a solution to monitor and provide warnings of surface water flooding within the Sherwood area of the city. On 23rd July 2013, 19 domestic properties and 1 business suffered internal flooding following a period of intense rainfall within the catchment. Due to the severity of the event, the council prepared a flood investigation report under section 19 of the Flood and Water Management Act (2010). That report made a series of recommendations, including the installation of a telemetered rain gauge within the catchment and a telemetered water level system to measure surface water on Winchester Street.

The water level monitoring system is mounted within a roadside bollard with a inlet tube to a stilling well beneath the bollard, so that it can measure the water level on the road. The telemetry logger is located at the top of the bollard, well above the highest expected water level, with a high accuracy pressure transmitter measuring the water level.

Alarm thresholds are set and the Timeview Telemetry system (www.timeview.net) which issues warnings to the city council drainage team to alert them to high surface water levels at this location.

Key elements of the warning system are:

  • GPRS Telemetry system
  • Battery Powered with > 3yr battery life
  • Measures surface water above road level
  • Warnings issued by text message

This is one of the over 650 flood warning sites that Hydro-Logic Service currently operate in the UK for over 65 local authorities, the Environment Agency and private customers such as Lidl, Tesco and Asda. If we can help you to manage flood risk in your area, as we are doing for so many other customers, please get in touch.

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