USGS WRIR 90-4108 figure 16 provides a map showing the approximate western limit of the Biscayne aquifer. This geospatial dataset was created by the U.S. Geological Survey in cooperation with the South Florida Water Management District and was last updated in 1985. It defines a key hydrogeologic boundary for a primary water source in southeastern Florida.
Use Cases
- Delineate the western extent of the Biscayne aquifer for groundwater flow modeling using the boundary line feature.
- Analyze historical aquifer limits against modern data to assess changes in the surficial aquifer system over time.
- Support water management planning by integrating the mapped boundary with land-use or population density datasets.
- Define the study area for regional hydrogeologic characteristics investigations based on the aquifer's spatial footprint.
Strengths
- Produced by the authoritative U.S. Geological Survey (USGS) in a formal Water-Resources Investigations Report.
- Defines a specific hydrogeologic feature (the western aquifer limit) critical for regional water studies.
Limitations
- Data is from 1985 and may not reflect current aquifer conditions due to decades of potential change.
- The boundary is described as 'approximate', indicating inherent positional uncertainty.
- The dataset scope is limited to a single map feature without accompanying tabular well data or attributes.
Provenance
- Source
- U.S. Geological Survey (USGS) Water-Resources Investigations Report 90-4108.
- Collection Method
- Derived from hydrogeologic study involving drilling, monitoring, and analysis to define the aquifer system.
- Time Range
- Study period circa 1985.
- Freshness
- Static; last updated 1985-12-31.
- Geography
- Miami-Dade County, southeastern Florida, USA.