Table 4-54: Petroleum Oil Spills Impacting Navigable U.S. Waterways

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Source 1985 1990 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled
TOTAL all spills 6,169 8,436,248 8,177 7,915,007 9,038 2,638,229 9,335 3,117,831 8,624 942,574 8,315 885,303 8,539 1,172,449 8,354 1,431,370 7,559 854,520 4,497 638,883 4,192 401,139 3,897 1,416,713 3,881 9,926,580 4,184 2,836,307 3,808 705,342 3,400 760,230 3,304 211,601 (R) 3,008 (R) 207,712,793 3,065 210,271
Vessel sources, total 1,662 4,862,911 2,485 6,387,158 5,478 1,624,153 5,586 1,681,020 5,347 380,879 5,172 621,235 5,680 576,475 5,560 1,033,643 5,021 569,856 1,816 247,382 1,715 210,805 1,705 1,306,557 1,835 2,124,808 1,993 416,987 1,928 235,340 1,644 536,141 1,645 126,658 1,508 894,934 1,531 107,663
Tankship 164 732,397 249 4,977,251 148 125,491 122 219,311 124 22,429 104 56,673 92 8,414 111 608,176 95 125,217 55 4,753 38 4,450 35 636,834 37 2,976 38 4,292 42 46,731 34 1,337 28 14,417 23 421,583 26 1,702
Tank barge 385 3,683,548 457 992,025 353 1,101,938 313 1,163,258 252 165,649 220 248,089 227 158,977 229 133,540 246 212,298 126 30,219 156 102,874 143 215,822 126 2,006,774 134 287,343 113 4,516 106 286,637 98 4,424 73 965 67 15,852
Other vesselsa 1,113 446,966 1,779 417,882 4,977 396,724 5,151 298,451 4,971 192,801 4,848 316,473 5,361 409,084 5,220 291,927 4,680 232,341 1,635 212,410 1,521 103,481 1,527 453,901 1,672 115,058 1,821 125,352 1,773 184,093 1,504 248,167 1,519 107,816 1,412 472,386 1,438 90,109
Nonvessel sources, total 2,802 3,250,229 2,584 1,408,472 1,116 958,222 1,078 1,408,303 1,356 501,265 1,553 246,716 1,615 551,381 1,645 373,761 1,465 270,523 1,286 200,871 1,140 93,515 1,137 70,456 1,146 7,771,646 1,258 2,290,803 1,233 439,723 1,148 197,525 979 54,275 (R) 1,008 (R) 206,809,141 1,159 94,759
Offshore pipelines 23 17,977 73 46,228 7 1,143 4 386 13 810 10 843 5 35,707 4 17 13 1,241 0 0 1 14,952 0 0 23 26,465 20 1,719 36 295,165 36 14,809 16 1,657 34 4,627 38 1,687
Onshore pipelines 362 759,040 76 270,700 23 10,751 13 978,006 19 223,312 35 47,020 20 433 21 17,004 21 12,336 0 0 0 0 1 15,000 1 110,000 1 510 0 0 0 0 0 0 0 0 0 0
Otherb 2,417 2,473,212 2,435 1,091,544 1,086 946,328 1,061 429,911 1,324 277,143 1,508 198,853 1,590 515,241 1,620 356,740 1,431 256,946 1,286 200,871 1,139 78,563 1,136 55,456 1,122 7,635,181 1,237 2,288,574 1,197 144,558 1,112 182,716 963 52,619 (R) 974 (R) 206,804,514 1,121 93,072
Mysteryc 1,705 323,108 3,108 119,377 2,444 55,854 2,671 28,508 1,921 60,430 1,590 17,352 1,244 44,593 1,149 23,966 1,073 14,141 1,395 190,630 1,337 96,819 1,055 39,700 900 30,126 933 128,517 647 30,279 608 26,564 680 30,667 492 8,718 375 7,849

a Other vessels include commercial vessels, fishing boats, freight barges, freight ships, industrial vessels, oil recovery vessels, passenger vessels, unclassified public vessels, recreational boats, research vessels, school ships, tow and tug boats, mobile offshore drilling units, offshore supply vessels, publicly owned tank and freight ships, as well as vessels not fitting any particular class (unclassified).

b Other nonvessel sources include deepwater ports, designated waterfront facilities, nonmarine land facilities, fixed offshore and inshore platforms, mobile facility, municipal facility, aircraft, land vehicles, railroad equipment, bridges, factories, fleeting areas, industrial facilities, intakes, locks, marinas, MARPOL reception facilities, nonvessel common carrier facilities, outfalls, sewers, drains, permanently moored facilities, shipyards, ship repair facilities.

cMystery spills are spills from unknown or unidentified sources. U.S. Coast Guard investigators are unable to identify the vessel or facility that spilled the oil into U.S. navigable waters.

NOTES: The spike in Gallons spilled for 2005 can be attributed to the passage of Hurricane Katrina in Louisiana and Mississippi on Aug. 29, 2005, which caused numerous spills approximating 8 million gallons of oil in U.S. waters. The largest spill in U. S. waters began on April 20, 2010 with an explosion and fire on the mobile offshore drilling unit (MODU) DEEPWATER HORIZON. Subsequently, the MODU sank, leaving an open exploratory well to discharge crude oil into the Gulf of Mexico for several weeks. The most commonly accepted spill amout from the well is approximately 206.6 million gallons, plus approximately 400,000 gallons of oil products from the MODU. The totals in this table may be different from those that appear in the source, due to rounding by the source.

SOURCE

U.S. Coast Guard, Polluting Incidents In and Around U.S. Waters, A Spill/Release Compendium: 1969-2011 (Washington, DC: January 2013), tables Number of Spills by Source, Volume of Spills by Source (Gallons) and Oil Spills In U.S. Waters Calendar Year, available at http://homeport.uscg.mil/ as of Aug 6, 2013.