Garage Disposal Home › Forums › Public Forums › General Plumbing › Garage Disposal This topic has 1 reply, 2 voices, and was last updated 24 years ago by SylvanLMP. Viewing 1 reply thread Author Posts 14 Aug 2000 at 12:01 am #273350 MasterPlumbersKeymaster I have a question. Is it okay to run the garbage disposal while the dishwasher is running? 14 Aug 2000 at 5:11 pm #287427 SylvanLMPParticipant Yes BUT Most garbage disposals depend on a constant water supply as it is working to protect the blades during the chopping operation. Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In