Colorado Lagoon

Colorado Lagoon is a public park in the Eastside neighborhood of Long Beach, California. Originally part of the Los Cerritos Wetlands, the lagoon was dredged in the 1920s. Construction projects and neglect led to the lagoon becoming polluted, and locals nicknamed it "Polio Pond". In 2009, Los Angeles County began a project to remove contaminated sediment and protect the water from further pollutio... (Wikipedia)