Fish bypass channel proposed for River Beane

A new bypass channel is being proposed next to the Cedar Close weir on the River Beane, allowing fish and eel to move along the river.

The project is being managed by East Herts Council, the Environment Agency and the county council's Countryside Management Service. In addition to allowing the free movement of fish, the scheme  will also reduce impoundment of the river and promote natural flow conditions, enhance habitats along the river channel and improve Millmead open space alongside the river.

The bypass will use an old relic channel next to the weir in Millmead Park, where a small copse has grown in the interveneing years. The work will require 50% of the trees to be felled. Following construction of the bypass channel, replacement tree planting will take place adjacent to the channel where possible, with native riparian species such as willow, alder and birch. Additional tree planting will also take place in other areas of Millmead Park. 

Earlier plans to remove the weir completely have been abandoned due to flood risks and the impact on water levels in the nearby mill stream.

The river Beane is a chalk river, one of only around 200 in the world. It represents one of the most valuable habitats in Hertfordshire, characterised by clear water and a diverse flora. The river also provides a valuable natural corridor through Hertford.

Over the years the Beane has been modified, with several weirs preventing the natural movement of fish and eels.

This project is one of several along the river Beane. The long-term aim of these projects is to open a long stretch of the river from its confluence with the Lee to the movement of fish and eels and to enhance wildlife habitats along the river.

A consultation on the Cedar Close weir bypass is currently underway until the 13th March, with comments invited from members of the public. Following this date, more detailed designs for the bypass channel will be developed, with delivery of the project expected in 2024.