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Summary of hydrologic data for the East Everglades, Dade County, Florida

January 1, 1980

The East Everglades area in south-central Dade County, Fla., occupies approximately 240 square miles. The area is flat and low lying with elevations ranging from sea level in the southeast part to 10 feet at Chekika Hammock with an average elevation of about 6 feet. Rainfall in the area averages 57.9 inches a year with about 80% of the total falling during the May to October wet season. There is some residential development and farming in the east-central part of the area where land elevations are slightly higher. Pressure by agricultural, commerical, and housing interests to develop the area is increasing. Historically, most of the area was flooded for extended periods of time. The construction of canals, levees, and controls has lowered the average water levels of the area. This has reduced the extent and decreased the time of flooding. Long-term hydrographs show graphically the effects that the water control works have had on the hydrologic system. The change in discharge into the north end of the East Everglades through the Tamiami Canal outlets, Levees 30 to 67A, due to construction is very pronounced. Maps showing the altitude of the water table for wet and dry periods indicate that Levee 67 Extended Canal greatly influences the water levels and shape of the water-table contours in the northwestern part of the East Everglades. (USGS)

Publication Year 1980
Title Summary of hydrologic data for the East Everglades, Dade County, Florida
DOI 10.3133/ofr801292
Authors James J. Schneider, Bradley G. Waller
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Open-File Report
Series Number 80-1292
Index ID ofr801292
Record Source USGS Publications Warehouse