black copper pipe? Home › Forums › Public Forums › General Plumbing › black copper pipe? This topic has 1 reply, 2 voices, and was last updated 24 years, 3 months ago by SylvanLMP. Viewing 1 reply thread Author Posts 2 Aug 2000 at 7:27 am #273292 MasterPlumbersKeymaster My parents moved into a new build on Memorial Day weekend. Since then there has been a strong sulphursmell around the house. This week we noticed that the new copper plumbing in the basement has turned black.Where should we go for help? 2 Aug 2000 at 7:29 pm #287308 SylvanLMPParticipant Go to the health department with a sample of the water. 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