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Data Pertaining to Mapping the Approximate Inland Extent of Saltwater at the Base of the Biscayne Aquifer in Miami-Dade County, Florida, 2018

Dates

Publication Date
Start Date
2018-03-08
End Date
2018-12-13

Citation

Prinos, S.T., 2019, Data Pertaining to Mapping the Approximate Inland Extent of Saltwater at the Base of the Biscayne Aquifer in Miami-Dade County, Florida, 2018: U.S. Geological Survey Data Release, https://doi.org/10.5066/P9ZIC1O4.

Summary

The U.S. Geological Survey (USGS), in cooperation with Miami-Dade County, mapped the approximate inland extent of saltwater intrusion in eastern Miami-Dade County in 2018. This approximation required acquisition and compilation of relevant data collected by the organizations: Florida Department of Environmental Protection (FDEP), Florida Keys Aqueduct Authority (FKAA), Florida Power & Light Company (FPL), MacVicar Consulting Inc., Miami-Dade County Regulatory and Economic Resources (MD-RER), the South Florida Water Management District (SFWMD), and the USGS. Data from the selected monitoring wells were entered into a geographic information system (GIS) for analysis and mapping. The approximate saltwater interface is represented by the [...]

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Purpose

The inland extent of saltwater at the base of the Biscayne aquifer in Miami-Dade County was last mapped in 2011. In 2016 the extent of saltwater intrusion in the southeastern part of Miami-Dade County called the Model Land area was mapped. An updated map of the interface throughout Miami-Dade County was required because saltwater intrusion continues to occur in this county. This is a concern because it can render the water unpotable in affected parts of the aquifer. The maximum concentration of chloride allowed in drinking water is 250 milligrams per liter whereas saltwater-intruded parts of the aquifer commonly have water with chloride concentrations of 1,000 mg/L or greater.

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DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9ZIC1O4

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