Regional estimates · PP1807 / DS926

Floridan aquifer system subsurface elevation retrieval

Select a location, then retrieve a simple view of the major aquifers and confining units. Explore the detailed units and zones below.

Elevations: NAVD88, U.S. survey feet. Each source is sampled on its native grid. Major and detailed views use the same geographic applicability and contact-selection rules.

Batch retrieval — download detailed values for multiple wells

Select a location

Click to select coordinates, then press Retrieve elevations. Drag to pan; scroll or use + / − to zoom.

Surface elevations

Elevation: ft NAVD88 · depth: ft below land surface

Select a point on the map or use the example coordinates to view the regional framework.

Source and interpretation

Regional estimates based on USGS PP1807 / DS926 and the corrected 30-m land surface. Units outside their mapped extents display dashes; missing elevations inside an applicable unit remain unresolved.

Technical - how it works Download methods PDF USGS Professional Paper 1807 Subsurface API documentation