WWII-Era Munitions Found in Underwater Dump Sites Off Los Angeles

U.S. Navy reviews findings as potential environmental and health risks are assessed.

• World War II-era munitions, including anti-submarine weapons and smoke devices, were discovered in underwater dump sites off the Los Angeles coast.
• The region was a government-approved industrial and chemical waste dumping ground from the 1930s until 1972.
• A 2021 survey found over 25,000 “barrel-like objects” on the sea floor, potentially containing DDT and other toxic chemicals.
• The U.S. Navy is reviewing the findings to determine the best course of action to manage the risk to human health and the environment.
• Further research is being conducted to understand the potential environmental impact of the dumped munitions and chemical waste.

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