| Year | Number of spills | Volume | Year | Number of spills | Volume | |
| thousands | gallons | thousands | gallons | |||
| 1970 | 3.711 | 15,252,992 | 1985 | 6.169 | 8,436,248 | |
| 1971 | 8.736 | 8,839,523 | 1986 | 4.993 | 4,281,979 | |
| 1972 | 9.931 | 18,805,732 | 1987 | 4.841 | 3,608,885 | |
| 1973 | 9.014 | 15,253,580 | 1988 | 4.998 | 6,586,004 | |
| 1974 | 9.999 | 15,698,731 | 1989 | 6.613 | 13,478,695 | |
| 1975 | 9.292 | 21,520,083 | 1990 | 8.177 | 7,915,007 | |
| 1976 | 9.422 | 18,517,949 | 1991 | 8.569 | 1,875,953 | |
| 1977 | 9.459 | 8,189,133 | 1992 | 9.491 | 1,875,668 | |
| 1978 | 10.644 | 10,864,108 | 1993 | 8.972 | 2,067,388 | |
| 1979 | 9.834 | 20,893,558 | 1994 | 8.960 | 2,489,273 | |
| 1980 | 8.383 | 12,596,970 | 1995 | 9.038 | 2,638,229 | |
| 1981 | 7.811 | 8,920,995 | 1996 | 9.335 | 3,117,831 | |
| 1982 | 7.484 | 10,344,797 | 1997 | 8.624 | 942,574 | |
| 1983 | 7.916 | 8,379,848 | 1998 | 8.315 | 885,303 | |
| 1984 | 8.258 | 18,005,878 | 1999 | 8.539 | 1,172,449 |
Source: U.S. Department of Transportation, United States Coast Guard, Pollution Incidents In and Around U.S. Waters A Spill/Release Compendium: 1969-1999 (DOT, USCG, Washington, DC, 2000).
Notes: Includes oil spill data for vessels and non-vessels (e.g., facilities, pipelines, and other unknown sources).
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