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HYPERION TREATMENT PLANT history
HYPERION TREATMENT PLANT company history timeline
In 1892, the city bought 200 acres of oceanfront property just west of present-day El Segundo, near Imperial Highway and Vista del Mar.
Until 1925, raw sewage from the city of Los Angeles was discharged untreated directly into Santa Monica Bay in the region of today’s Hyperion Treatment Plant.
In order to keep up with the increase of influent wastewater produced by the ever growing city of Los Angeles, by 1957 the plant engineers had cut back treatment levels and increased the discharge of a blend of primary and secondary effluent through a five-mile (8 km) pipe into the ocean.
A key scene in the 1973 film Soylent Green was shot at the Hyperion Treatment Plant.
In 1980, Los Angeles launched a massive sludge-out to full secondary program to capture all biosolids and keep them from entering the Bay.
Heal the Bay and the Environmental Protection Agency sued the city of Los Angeles to stop the discharge of sludge into Santa Monica Bay, and the practice ended in 1987.
By 1998, after an investment of $1.6 billion, the Hyperion plant returned to full treatment of all biowaste.
In 2001, the Hyperion plant was named one of the Top 10 public works projects of the 20th century by the American Public Works Association.
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