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A large part of our work has been addressing fish passage in the catchment, reconnecting isolated river habitats with fish passes on weirs to allow fish to move freely.

Tighter environmental regulation and investment in water quality by the water companies has resulted in river water quality being sufficiently good to once again support all river life. This includes migratory fish, particularly salmon, but they cannot return to historic upstream spawning gravels because the remaining weirs obstruct the free passage of fish along the river.

The outcome will be the return of salmon as far as Sheffield for the first time in 200 years.

Our first major project was at Hadfield weir at Meadowhall shopping centre. Since then we have installed Low Cost Baffles (LCBs), other technical passes (Lariniers) and baulk easements as well as solutions to allow eels to move freely in the river.

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