Wednesday, September 28, 2022 Industry Number of oil spills in US waters drops significantly By The Associated Press - September 28, 2022 FacebookXLinkedinEmailPrint The Deepwater Horizon oil spill in 2010. (Wikimedia Commons) Oil and natural gas spills from tankers and pipelines in U.S. waters dropped dramatically in the decade spanning 2010-2019, Already an INSIDER? Sign in.