Cromwell Weir on River Trent

Cromwell Weir hydroscheme

21st June 2018

Newark and Sherwood District Council admitted that it got the law wrong in granting planning permission for a hydropower scheme on the Trent without following European Rules on assessing impact on the environment. It agreed to revoke its decision, following receipt of a “pre-action” Judicial Review letter from Fish legal, acting for its members Collingham Angling Association.

The Collingham Angling Association – which fishes downstream of Cromwell Weir – is concerned about the impact of the scheme on the river habitat and highly popular angling spots for barbel and other coarse fish species. Gravels which provide important habitat for fish are likely to be destroyed by the development.

Fish Legal argued in its letter that the Council had failed to carry out an Environmental Impact Assessment (EIA) screening to assess whether the 1.6 MW hydro scheme would be likely to have a significant effect on the environment or to consider the impact on fish such as barbel and also lamprey which are protected under European Law.

Fish Legal also pointed out there had been no survey undertaken of the gravels to see if lamprey spawn there, relying instead on survey data from elsewhere on the river. The planning decision had then been made by a planning officer without consideration by a planning committee and there had been no consultation of Natural England.

The Environment Agency’s involvement was mostly limited to consideration of fish passage and the abstraction licence for the scheme, and failed to consider the impacts on lamprey and barbel which spawn in gravels below the weir that would be affected by the altered hydrology as a result of the hydropower turbines.

Sea lamprey and river lamprey are European Protected Species (EPS) and listed as conservation features of the Humber Special Area of Conservation (SAC) and Site of Special Scientific Interest (SSSI). To disturb the fish without a licence is an offence and public authorities such as the local council are required to take the protection and enhancement of the EPS into account in its decision making.

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