Table 4-50. Petroleum Oil Spills Impacting Navigable U.S. Waterways

Table 4-50. Petroleum Oil Spills Impacting Navigable U.S. Waterways

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Source 1985 1990 1995 1996 1997 1998 1999
Incidents Gallons Spilled Incidents Gallons Spilled Incidents Gallons Spilled Incidents Gallons Spilled Incidents Gallons Spilled Incidents Gallons Spilled Incidents Gallons Spilled
Vessel sources                           
Tankship 164 732,397 249 4,977,251 148 125,491 122 219,311 124 22,429 104 56,673 92 8,414
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
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
Total vessel sources 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
Nonvessel sources                           
Offshore pipelines 23 17,977 73 46,228 7 1,143 4 386 13 810 10 843 5 35,707
Onshore pipelines 362 759,040 76 270,700 23 10,751 13 978,006 19 223,312 35 47,020 20 433
Otherb 2,417 2,473,212 2,435 1,091,544 1,086 946,328 1,061 429,911 1,324 227,143 1,508 198,853 1,590 515,241
Total nonvessel sources 2,802 3,250,229 2,584 1,408,472 1,116 958,222 1,078 1,408,303 1,356 451,265 1,553 246,716 1,615 551,381
Mysteryc1,705 323,108 3,108 119,377 2,444 55,854 2,671 28,508 1,921 60,430 1,590 17,352 1,244 44,593
Total all spills6,169 8,436,248 8,177 7,915,007 9,038 2,638,229 9,335 3,117,831 8,624 892,574 8,315 885,303 8,539 1,172,449

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 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 facilties, outfalls, sewers, drains, permanently moored facilities, shipyards, ship repair facilities.
c Mystery 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.

SOURCE: U.S. Coast Guard, Oil Spill Compendium 2000, available at Internet site www.uscg.mil/hq/g-m/nmc/response/stats/aa/htm.