USF Researchers Mapped Tampa Flood Risks Using LiDAR
New mapping technology identified that older Tampa homes face higher flood risks due to lower elevation.
Updated on Oct. 9, 2026 in Safety
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University of South Florida researchers utilized advanced LiDAR technology to survey flood risks across Tampa neighborhoods. The study revealed that homes constructed before 1980 often sustained more damage during flooding due to a lack of required elevation.
Why it matters
Understanding the correlation between building age and flood vulnerability helps city officials prioritize mitigation efforts. This research highlights the disparity in flood resistance between older structures and modern homes built under current elevation standards.
The LiDAR sensors used for the study record data 300,000 times per second to create 3D models. The initial five-hour survey of Davis Islands confirmed that houses built after 1980 with higher elevations saw minimal damage compared to older properties.
The players
University of South Florida
This public research university in Florida led the flood risk mapping study using advanced LiDAR technology.
City of Tampa
The local government agency received the collected flood risk data from researchers to help inform future floodplain management.
The details
Researchers mounted LiDAR sensors on vehicles to project laser beams that create high-precision three-dimensional spatial maps of the terrain and structures. By comparing the elevation of ground-level floor space against current floodplain regulations, the team identified why homes within identical flood zones experienced varying damage levels.
Timeline
Development of Davis Islands began in 1924.
Elevation requirements for floodplain development were established in 1980.
USF researchers shared their flood risk mapping findings in October 2026.
Seasonal Patterns
This research follows a pattern of utilizing modern geospatial tools to evaluate how older residential infrastructure aligns with current floodplain regulations. By identifying vulnerabilities in pre-1980 housing, the study provides a clearer picture of regional flood risk across varied building eras.
Residents in homes built before 1980 should consult local floodplain maps to understand their current elevation status relative to modern requirements. Property owners can use this data to determine if structural modifications are needed to mitigate potential water damage during future weather events.
The takeaway
Understanding the physical elevation of a property relative to construction eras is a critical factor in determining long-term flood resilience. Homeowners can use these insights to assess if their property requires elevation improvements to meet modern safety standards.
What happens next
The research team plans to conduct surveys in the Beach Park neighborhood and gather data from additional coastal areas in Tampa.
Further reading
For more information on regional hazard assessments, visit Safety.
Source note: This article includes information reported by Spectrum News Bay News 9.
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Should local governments provide financial support to help residents elevate older homes against flood risks?
