In 1936 it became apparent that the City of Miami water plant in Hialeah was becoming inadequate to soften and purify the water to serve the entire community. The city applied for and was granted a loan from the public works administration to greatly expand the capacity of the plant and also create a sludge byproduct drying area. A pipe was laid from the sludge tank at the plant across Okeechobee Road and under the Miami Canal to an area in Miami Springs between Dove and Nightingale Ave. Right next to Miami Springs Senior High. This area is now known as the clay pit. It has been the source of Miami Springs mysterious legends over the years and in December of 2022 it was the nightly home of the entire flamboyance of Hialeah flamingos
