Campaigners say that plans for an asbestos landfill in a quarry in Chew Valley would be bad for the environment.
Bristol Water have also said the water quality in Chew Valley Lake would be affected.
More top news
Becky Watts allegedly told a friend that Nathan Matthews, who is on trial for her murder, described how he would kill her in 2013.
Five people have been arrested after clashes between football fans and police before a Swindon - Oxford match on Tuesday night.
Nathan Matthews, the step-brother of Becky Watts, has admitted to killing the teen - but denies he murder her.