Start with high-confidence flood control engineering books, then narrow by subgenre or adjacent topics.
Water to the Angels
Les Standiford
Deep Water
Jacques Leslie
Drowned City
Don Brown
Johnstown Flood
David McCullough
Rising Tide
John M. Barry
Empire of Water
David Soll
Bridging the Mississippi
Philip Gould, Margot H. Hasha
Draining New Orleans
Richard Campanella
Ditch of Dreams
Steven Noll, David Tegeder
Superstorm Sandy
Diane C. Bates
The St. Lawrence Seaway and Power Project
Claire Puccia Parham
The Great River
Boyce Upholt, Gabriel Vaughan