Inventory of drainage wells and potential sources of contaminants to drainage-well inflow in Southwest Orlando, Orange County, Florida
Water-Resources Investigations Report
93-4061
By: George Fred Taylor
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Abstract
Potential sources of contaminants that could pose a threat to drainage-well inflow and to water in the Floridan aquifer system in southwest Orlando, Florida, were studied between October and December 1990. Drainage wells and public-supply wells were inventoried in a 14-square-mile area, and available data on land use and activities within each drainage well basin were tabulated. Three public-supply wells (tapping the Lower Floridan aquifer) and 38 drainage wells (open to the Upper Floridan aquifer) were located in 17 drainage basins within the study area. The primary sources of drainage-well inflow are lake overflow, street runoff, seepage from the surficial aquifer system, and process-wastewater disposal. Drainage-well inflow from a variety of ares, including resi- dential, commercial, undeveloped, paved, and industrial areas, are potential sources of con- taminants. The four general types of possible contaminants to drainage-well inflow are inorganic chemicals, organic compounds, turbidity, and microbiological contaminants. Potential contami- nant sources include plant nurseries, citrus groves, parking lots, plating companies, auto- motive repair shops, and most commonly, lake- overflow water. Drainage wells provide a pathway for contaminants to enter the Upper Floridan aquifer and there is a potential for contaminants to move downward from the Upper Floridan to the Lower Floridan aquifer.
Suggested Citation
Taylor, G.F., 1993, Inventory of drainage wells and potential sources of contaminants to drainage-well inflow in Southwest Orlando, Orange County, Florida: U.S. Geological Survey Water-Resources Investigations Report 93-4061, 1 map ; 30 x 42 cm., on sheet 71 x 87 cm., folded in envelope 30 x 23 cm., https://doi.org/10.3133/wri934061.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Inventory of drainage wells and potential sources of contaminants to drainage-well inflow in Southwest Orlando, Orange County, Florida |
| Series title | Water-Resources Investigations Report |
| Series number | 93-4061 |
| DOI | 10.3133/wri934061 |
| Year Published | 1993 |
| Language | ENGLISH |
| Description | 1 map ; 30 x 42 cm., on sheet 71 x 87 cm., folded in envelope 30 x 23 cm. |