is there any valid reason that sewer pipes are black?

Dear student,
Please find below the solution to the asked query

‚ÄčThere is no scientific reason behind the black colour of sewer pipes.

Hope this information will clear your doubts about the sewer pipes.
If you have any more doubts just ask here on the forum and our experts will try to help you out as soon as possible.

  • 1
Sewer pipes are black because the get rusted very fast
  • 0
What are you looking for?