Open Source Licenses

FloodSight is built using open data and open source software. We are grateful to the contributors and agencies listed below.

Leaflet

Copyright (c) 2010-2023, Volodymyr Agafonkin
Copyright (c) 2010-2011, CloudMade

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
  

Data Credits

• FEMA: National Flood Hazard Layer (NFHL) data is provided by the Federal Emergency Management Agency. (Public Domain)
• USGS: National Hydrography Dataset (NHD) and Elevation data provided by the United States Geological Survey. (Public Domain)
• NOAA / NWS: Radar imagery and flood alerts provided by the National Oceanic and Atmospheric Administration and National Weather Service. (Public Domain)
• USFWS: National Wetlands Inventory provided by the U.S. Fish & Wildlife Service. (Public Domain)
• ArcGIS: Map infrastructure and geocoding services provided by Esri.
• OpenStreetMap: Geocoding data provided by Nominatim/OSM contributors. (ODbL)