The lake is located in the Red Hills Region, and has fluctuated from periods of being dry to a maximum elevation of 96 feet (29 m) above sea level. The lake is approximately 7.5 miles (12 km) long and its area is 6.2 square miles (16 km2). There is no outflow from streams or runoff.
Geography
Interstate 10 runs across the southern tip of the lake.
There is another Lake Jackson and Little Lake Jackson in Sebring, Florida, not related to the current article.
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Drainage
Water drains from the lake into the Floridan Aquifer through the sinkholes. These are usually partially or completely plugged with sediments, but collapse when groundwater levels drop[citation needed], allowing lake water to funnel into the aquifer, which can completely drain the lake. This has occurred on numerous occasions. Newspaper accounts report draining episodes in 1829,[1] and again in 1840 and 1860.[2][3] Sellards reports that the lake drained though a sinkhole in June 1907 and drained again during the summer of 1909.[4] Lake Jackson drained again in November 1918,[5] and yet again in January 1932 and October 1936.[6] The lake drained in 1956–1957,[7] and again in 1981–1982.[8] More recently, Lake Jackson drained in 1999,[9] May 2007, June 2012 and most recently in June 2021.[10]
During the 2007 drainage, the lake flowed down the Porter Sink, but pools of water still remained.[11]
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