Deepwater Horizon oil spill 17 of whom were treated for injuries. The Deepwater Horizon sank on the morning of 22 April 2010. The oil leak was discovered on the afternoon of 22 April 2010 when a large oil slick began to spread at the former rig site. The oil flowed for 87 days. BP originally estimated a flow rate of . The Flow Rate Technical Group (FRTG) estimated the initial flow rate was . The total estimated volume of leaked oil approximated with plus or minus 10% uncertainty, including oil that was collected, making it the world's largest accidental spill. BP challenged the higher
Economic effects of the Deepwater Horizon oil spill approximately $23 billion, in a region that supports over 400,000 travel industry jobs generating $34 billion in revenue annually. On 1 November, BP announced plans to spend $78 million to help Louisiana tourism and test and advertise seafood. The real estate prices and a number of transactions in the Gulf of Mexico area decreased significantly during the period of the oil spill. As a result, area officials wanted the state legislature to allow property tax to be paid based on current market value, which according to Florida State Rep. Dave Murzin could mean millions of dollars in losses for each