What is south bay salt works?

South Bay Salt Works is a historic salt production facility located in Chula Vista, California near San Diego. The works were established in the late 19th century to evaporate seawater and trap the salt that remained. The site was originally owned by John Spreckels, a wealthy businessman and landowner in the San Diego area.

South Bay Salt Works covers an area of about 1800 acres including the salt ponds, salt hill, production building and museum. The salt ponds are made up of a series of shallow, rectangular pools separated by earthen dikes. Saltwater is pumped from San Diego Bay and allowed to evaporate in the ponds, leaving behind salt crystals.

Today, the South Bay Salt Works is still in operation, producing over 75,000 tons of salt per year for industrial, commercial and consumer use. The site is also home to a museum, showcasing the history of salt production in the area and offering educational programs for visitors.

In addition to its economic importance, the South Bay Salt Works also serves as an important wildlife habitat. The ponds provide a home for a variety of shorebirds, waterfowl, and other aquatic species. The site is also a designated Important Bird Area by the National Audubon Society.

The South Bay Salt Works has been designated a California Historical Landmark and is also listed on the National Register of Historic Places.