Summary of hydrologic conditions and effects of Walt Disney World development in the Reedy Creek Improvement District, 1966-73

Open-File Report 74-339
Prepared in cooperation with the Reedy Creek Improvement District
By:

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Abstract

The Reedy Creek Improvement District (hereinafter called the RCID) is an area of about 43 square miles (111. square kilometres) in southwest Orange and northwest Osceola Counties. Before development of Walt Disney World began (mid-1967), all of this tract of land was scrubby flatlands and swamp. Walt Disney World facilities now (1974) occupy slightly less than 10 percent of the area. Hydrologic data are available for most of the area for the 6-year period July 1967-June 1973, with some records starting before July 1967.

The potentiometric surface of the Floridan aquifer near Bay Lake has declined 8 feet (2 metres) on the average. Seventy-five percent of the decline is attributed to water use in the RCID; the remaining decline is attributed to deficient rainfall since the records began in March 1966. The discharge of streams in the RCID has apparently increased. However, the hydrologic conditions were changing locally as the development of the area progressed. Because of this change, the magnitude and seasonal distribution of any eventual change in streamflow cannot be accurately appraised until additional data are obtained after the development has stabilized. Some changes in water quality have occurred, but none can be attributed to urbanization.

Study Area

Publication type Report
Publication Subtype USGS Numbered Series
Title Summary of hydrologic conditions and effects of Walt Disney World development in the Reedy Creek Improvement District, 1966-73
Series title Open-File Report
Series number 74-339
DOI 10.3133/ofr74339
Year Published 1974
Language English
Publisher U.S. Geological Survey
Description ix, 129 p.
Country United States
State Florida
County Orange County, Osceola County
Other Geospatial Reedy Creek Improvement District
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