Funded entirely by the Department for Environment, Food and Rural Affairs (DEFRA), the work on the rain gardens is expected to take six months, and not involve any road closures.
Works to create a rain garden in Immingham, as part of sustainable urban drainage investment.(Image: NELC)
Rain gardens are being created in Immingham to create sustainable urban drainage to remove surface water from roads. The works began on August 18 and involve the replacement of existing grass verges with rain gardens along a 900m stretch close to the junction of Washdyke Lane and Woodlands Avenue.
The works are expected to take six months, and will be complete in Spring 2026. Hessle-based CR Reynolds Ltd have been awarded a £772,000 contract to carry out the works.
It is entirely Department for Environment, Food and Rural Affairs (DEFRA)-funded. The creation of the sustainable drainage features in Immingham follows on from rain gardens being installed in Broadway, Grimsby.
Both are part of the £200 million Flood and Coastal Innovation Programmes, managed by the Environment Agency. Local traffic management is in place for the Immingham works.
This includes three-way traffic lights where the works are near junctions. The council has confirmed no road closures are planned at this stage, and works will take place on Monday to Friday, with no overnight or weekend works planned.
Andy Smith, drainage and coastal defence team manager at North East Lincolnshire Council, said: “Managing rainwater run-off with rain gardens is a low maintenance and wildlife-friendly sustainable approach. The rain gardens will allow us to manage rainwater run-off from the highway in a more natural way, reducing flood risk.”
(Image: NELC)
A rain garden allows the drainage of surface water from a road into a flower bed. There will be a storage tank underneath each flower bed to store the water and slowly release it back into the sewer network.
“By slowing down the flow of water into the sewers, it will reduce the flow volumes in the sewerage system during heavy rainfall,” said a council spokesperson. “This extra capacity within the drainage network will help to reduce flood risk in the area.”
Small sections of rain gardens will be constructed at any one time, rather than along the whole length of the road during the works. This approach should minimise disruption caused, the council has said.
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Cllr Stewart Swinburn (Conservative – Immingham Ward), portfolio holder for housing, infrastructure and transport, said: “Following the successful installation of rain gardens on Broadway in Grimsby, providing improved resilience of local roads and properties to flooding; it’s great to see another project come to life through the Flood and Coastal Resilience Innovation Programme.”
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