Potentiometric surface of the Floridan Aquifer, Southwest Florida Water Management District, May 1984

A May 1984 potentiometric surface map of the Southwest Florida Water Management District depicts the annual low water-level period. Water levels in most wells measured in May 1984 were lower than in September 1983. May levels averaged about 1 foot lower than September levels in areas north of latitude 28 07'10' ' and about 9 feet lower in southern areas. Generally, water levels in May 1984 were lower when compared to May 1983. Water levels in most wells measured in May 1984 averaged less than 1 foot lower than May 1983 levels in the north and about 2 feet lower in the south. (USGS)