That'd be FEMA's responsibility. See 44 CFR § 9 & 65.10. The Corps rarely if ever gets involved in this kind of thing unless they have an active project in the area, for example if there's a PL 84-99 levee in the area.

Not always but ok bikut not always fema is soon to be something folks will remember like the pony Express.

I've only been doing flood studies, developing emergency action plans, and writing operational guides for dams, levees, revetments, and other hydraulic structures as a licensed professional civil engineer for the last 15 years so what do I know?

Oh cool, my mate was a biologist for acoe and regulatory specialist also epa, nimfs, and 2 environmental consulting agencies I'm just a chef Renaissance woman who likes possibilities with an idea that all kinds of things happen even the things that don't happen because we'll people say so. Peace