Delaware Geological Survey (DE)
Delaware geology, groundwater and well data, sea level and flooding information, and geologic maps.
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What you can look up here
- Hazards and emergency informationEvacuation zones, hazard plans, shelters, and disaster help.
- ElevationGround elevation, contours, and slope for any spot.
- SoilsSoil types, drainage, wetness, and farmland ratings.
- WellsWell logs, depth, and water quality records.
About this resource
- Provided by
- Delaware Geological Survey (official)
- Covers
- Delaware statewide
- Link status
- Opened normally at the last check
- Link checked
- Oct 18, 2026
- Web address
- https://www.dgs.udel.edu/
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