Martin Brunt, 74, denied carrying out the offences against children over a period of 30 years.
The defendants were remanded in custody ahead of an appearance at Bristol Magistrates' Court.
The burst water main left thousands without water, and closed several schools.
The family of David Watch, 83, say they are "grateful for his life" and "inspired by his legacy".
Police say the man's family is being supported by a specially-trained officer.
Emergency services were called to Poplar Road at 08:23 BST after a pedestrian was hit by a van.
The group, set up by a husband and wife, wants more people with disabilities to try acting.
Harry Charlton was under the influence of cannabis when he crashed into the teenager's moped.
Harry Charlton's car hit a moped being ridden 16-year-old Daniel Davies, who died at the scene.