Search available literature and media (magazines, journals, web, textbooks etc.) for an interesting (to you) article on a contemporary hydraulic issue in sanitary or storm sewers

Search available literature and media (magazines, journals, web, textbooks etc.) for an interesting (to you) article on a contemporary hydraulic issue in sanitary or storm sewers. Write a 1 page memo (in your words)describing this contemporary issue and attach 1-2 pages of reference material about the issue. Explain why this issue is “new” or contemporary and what aspect of fluid mechanics or applied hydraulics is central to this issue. Keepyour search within the area of open-channel or partially full flow hydraulics.