3D Hydrography (3DHP) FTN Interest Group

Responding to Phil's question regarding "State and Local Governments who have laws, ordinances, and regulations based on these ...

USGS just presented this topic at their quarterly USGS Hydrography Community Call yesterday (April 22, 2025) Abstract ...

Hi Carl, Our Best Available Flood Hazard Layer is one of the most popular statewide data layers used by our state agencies. It ...

Hi Carl, Thanks for bringing this up – I'm curious to hear what others have done and what's possible. There are two projects ...

Hi Carl, The California Natural Resources Agency has these flood-related mapping resources, born out of various programs ...

Hi Folks: I am trying to see if anyone has done or procured statewide flood hazard and vulnerability mapping. Connecticut has ...