Ten Largest Offshore Oil Spills in the U.S.

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The date of the spill, circumstances surrounding the spill, and amount of oil spilled are also given.RankDateCauseSourceLocationSpill Volume1.April 20, 2010explosiondrilling rig Deepwater HorizonGulf of Mexico, 50 miles off the coast of Louisianaan estimated 200,000 gallons a day2.March 24, 1989reef collisiontanker Exxon ValdezPrince William Sound, Alaska10+ million gallons3.Dec. 15, 1976ran agroundtanker Argo MerchantNantucket Island7.7 million gallons4.Aug.–Sept. 2005Hurricane Katrinavarious sourcesNew Orleans, La.7 million gallons5.June 8, 1990explosiontanker Mega Borg60 miles off Galveston, Texas5.1 million gallons6.Nov. 28, 2000ran agroundtanker WestchesterPort Sulphur, La.567,000 gallons7.Jan. 23, 2010collisiontanker Eagle OtomePort Arthur, Texas462,000 gallons8.July 25, 2008collisionunnamed bargeNew Orleans, La.419,000 gallons9.Dec. 7, 2004ran agroundM/V Selendang AyuAleutian Islands, Alaska337,000 gallons10.Aug. 10, 1993collisionbarge Bouchard B155Tampa Bay, Fla.336,000 gallons 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href="/history-and-government/us-historical-monuments" target=""> Monuments & Landmarks </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="a1522757-57d9-4011-8954-cf72e71a576e" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/us/postal-information" target=""> Postal Information </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="b0f03f17-f878-43df-b447-b46b5450ed4a" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/us/race" target=""> Race & Ethnicity </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="7681b583-1195-42e1-a3ce-91f80e657ed5" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/us/states" target=""> States </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="59e82755-eb02-450d-81cf-dd9e5d00fd6f" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/us/us-statistics" target=""> Statistics </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="78a597de-29f1-4bc8-b0a7-6ed1c8e90bf2" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/culture-entertainment" target=""> Arts & Entertainment </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="859fbbf0-ed65-484c-87d9-1ef9013fdeb0" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/culture-entertainment/sports" target=""> Sports </a> </li> </ul> </div> </div> </div> </div> </li><li class="we-mega-menu-li dropdown-menu we-mega-menu-group" data-level="1" data-element-type="we-mega-menu-li" data-id="e1bc4f50-e073-4d69-b307-abd57db40de1" data-submenu="1" hide-sub-when-collapse="0" data-group="1"> <span data-drupal-link-system-path="<front>" class="we-megamenu-nolink">History<i class="arrow down"></i></span> <div class="we-mega-menu-submenu" data-element-type="we-mega-menu-submenu"> <div class="we-mega-menu-submenu-inner"> <div class="we-mega-menu-row" data-element-type="we-mega-menu-row" data-custom-row="0"> <div class="we-mega-menu-col span12" data-element-type="we-mega-menu-col" data-width="12" data-hidewhencollapse="0"> <ul class="nav nav-tabs subul"> <li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="4b93647c-84fc-4a69-99c9-a421fd7559b4" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/history" target=""> History Overview </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="c56361ab-8d10-4c0c-83c7-251a5eb04a38" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/timeline-archive" target=""> Timelines </a> </li><li 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title="" href="/history/hispanic-heritage" target=""> Hispanic Heritage Month </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="9646478f-f2ce-49e5-b90d-a26bc85f39d1" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/history/womens-history" target=""> Women's History Month </a> </li> </ul> </div> </div> </div> </div> </li> </ul> </div> <div class="we-mega-menu-col span3" data-element-type="we-mega-menu-col" data-width="3" data-blocktitle="1" data-hidewhencollapse="0"> <ul class="nav nav-tabs subul"> <li class="we-mega-menu-li dropdown-menu we-mega-menu-group" data-level="1" data-element-type="we-mega-menu-li" data-id="823c9906-9f40-4c10-8bb9-57da2519a641" data-submenu="1" hide-sub-when-collapse="0" data-group="1"> <span data-drupal-link-system-path="<front>" class="we-megamenu-nolink">Math & Science<i class="arrow down"></i></span> <div class="we-mega-menu-submenu" data-element-type="we-mega-menu-submenu"> <div class="we-mega-menu-submenu-inner"> <div class="we-mega-menu-row" data-element-type="we-mega-menu-row" data-custom-row="0"> <div class="we-mega-menu-col span12" data-element-type="we-mega-menu-col" data-width="12" data-hidewhencollapse="0"> <ul class="nav nav-tabs subul"> <li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="ad31b703-5dfd-4ea0-bea2-52aff8db39cc" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/math-science" target=""> Math & Science Overview </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="a924bf45-ec7b-4870-97a9-fc046d125d37" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/math-science/aviation" target=""> Aviation </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="0b4e7ad8-b50a-469c-934a-2f3e129fe476" 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class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="e906c067-e474-4ac3-b6fa-d158707529fd" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/math-science/inventions-discoveries" target=""> Inventions & Discoveries </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="1616d2b9-7d57-4980-9559-5bdc425e5e61" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/math-science/mathematics" target=""> Mathematics </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="f306cda5-cdc9-476e-9d51-4e64af61e583" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/math-science/physics" target=""> Physics </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="37a433fe-ab89-4d18-b369-3ea72e8ad9fc" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/math-science/space" target=""> Space </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="92382932-5ad4-4351-832a-94d653aa683c" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/math-science/weather" target=""> Weather </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="7aad6b27-5acb-4bac-8acf-be91c836bbb8" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/math-science/weights-measures" target=""> Weights & Measures </a> </li> </ul> </div> </div> </div> </div> </li><li class="we-mega-menu-li dropdown-menu we-mega-menu-group" data-level="1" data-element-type="we-mega-menu-li" data-id="29a78c62-ce20-4f1e-bb70-da47b92141ae" data-submenu="1" hide-sub-when-collapse="0" data-group="1"> <span data-drupal-link-system-path="<front>" class="we-megamenu-nolink">Calendar & Holidays<i class="arrow down"></i></span> <div class="we-mega-menu-submenu" data-element-type="we-mega-menu-submenu"> <div class="we-mega-menu-submenu-inner"> <div class="we-mega-menu-row" data-element-type="we-mega-menu-row" data-custom-row="0"> <div class="we-mega-menu-col span12" data-element-type="we-mega-menu-col" data-width="12" data-hidewhencollapse="0"> <ul class="nav nav-tabs subul"> <li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="7ebfbf4a-de2b-460b-930f-1928372833d7" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/calendars" target=""> Calendar & Holidays Overview </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="4411d1bf-0883-4267-8759-11614e0f285f" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/calendars/history" target=""> Calendars </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="d76efcb5-a742-4b6a-b14d-217d6d76e9ca" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/culture-entertainment/holidays" target=""> Holidays </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="56cc31b3-222b-448a-bf5c-bd325334323d" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/calendars/months-seasons" target=""> Seasons, Months, Days </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="fe1989d7-ce71-4b13-9848-4f86e931467e" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/calendar" target=""> Perpetual Calendar </a> </li> </ul> </div> </div> </div> </div> </li> </ul> </div> <div class="we-mega-menu-col span3" data-element-type="we-mega-menu-col" data-width="3" data-blocktitle="1" data-hidewhencollapse="0"> <ul class="nav nav-tabs subul"> <li class="we-mega-menu-li dropdown-menu we-mega-menu-group" data-level="1" data-element-type="we-mega-menu-li" data-id="460bd358-e183-4af6-a30d-8c241e4f3651" data-submenu="1" hide-sub-when-collapse="0" data-group="1"> <span data-drupal-link-system-path="<front>" class="we-megamenu-nolink">Business<i class="arrow down"></i></span> <div class="we-mega-menu-submenu" data-element-type="we-mega-menu-submenu"> <div class="we-mega-menu-submenu-inner"> <div class="we-mega-menu-row" data-element-type="we-mega-menu-row" data-custom-row="0"> <div class="we-mega-menu-col span12" data-element-type="we-mega-menu-col" data-width="12" data-hidewhencollapse="0"> <ul class="nav nav-tabs subul"> <li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="b1311617-2ec4-4bde-804a-719134a89765" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/business-and-finance" target=""> Business Overview </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" description="Business" data-id="9513d3b1-064f-4a95-9e98-a0c9ed4302f3" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="Business" href="/business/business-statistics" target=""> Business </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" description="Consumer Resources" data-id="4feb0c14-5b30-4a3d-8f9d-8d69a49f82ff" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="Consumer Resources" href="/business/consumer-resources" target=""> Consumer Resources </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" data-id="757bd3fa-14b6-4466-8e1f-4d6277557bc9" data-submenu="0" hide-sub-when-collapse="0"> <a class="we-mega-menu-li" title="" href="/business/money" target=""> Currency </a> </li><li class="we-mega-menu-li" data-level="2" data-element-type="we-mega-menu-li" description="Economy" 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class="breadcrumb-navigation"> <li> <a href="/">Home</a> > </li> <li> <a href="/disasters">Disasters</a> > </li> <li> <a href="/disasters/man-made">Man-made</a> > </li> <li> Ten Largest Oil Spills in the U.S. </li> </ol> </nav> <h1 class="page-title"><span>Ten Largest Oil Spills in the U.S.</span> </h1> <section class = "main-section col-sm-12" id="mainaside"> <div data-drupal-messages-fallback class="hidden"></div><div id="block-menucategoryhublinks" class="block"> <ul><li class="active"><a class="active" href="/disasters/man-made">Man-made Disasters</a></li><li><a class="" href="/disasters/weather">Weather Disasters</a></li><li><a class="" href="/disasters/natural">Natural Disasters</a></li><li><a class="" href="/disasters/earthquakes">Earthquakes</a></li></ul> </div> <article data-history-node-id="11180"> <div class="update-date"> Updated September 9, 2022 | <a href="/about-us#Our%20Editors"> Infoplease Staff</a> </a> <img src="/themes/ip/images/info-circle.png" title="Updated by an Infoplease Editor on September 9, 2022" height="12px" width="12px" /> </div>  <p>The following table lists the largest oil spills in U.S. history. The date of the spill, circumstances surrounding the spill, and amount of oil spilled are also given.</p> <table border="1" cellpadding="1" cellspacing="1" width="100%"><tbody><tr><th align="center" style="font-size:13px" valign="bottom">Rank</th> <th align="center" style="font-size:13px" valign="bottom">Date</th> <th align="center" style="font-size:13px" valign="bottom">Cause</th> <th align="center" style="font-size:13px" valign="bottom">Source</th> <th align="center" style="font-size:13px" valign="bottom">Location</th> <th align="center" style="font-size:13px" valign="bottom">Spill Volume</th> </tr><tr><td><b>1.</b></td> <td>April 20, 2010</td> <td>explosion</td> <td>drilling rig <i>Deepwater Horizon</i></td> <td>Gulf of Mexico, 50 miles off the coast of Louisiana</td> <td>an estimated 200,000 gallons a day</td> </tr><tr><td><b>2.</b></td> <td>March 24, 1989</td> <td>reef collision</td> <td>tanker <i>Exxon Valdez</i></td> <td>Prince William Sound, Alaska</td> <td>10+ million gallons</td> </tr><tr><td><b>3.</b></td> <td>Dec. 15, 1976</td> <td>ran aground</td> <td>tanker <i>Argo Merchant</i></td> <td>Nantucket Island</td> <td>7.7 million gallons</td> </tr><tr><td><b>4.</b></td> <td>Aug.–Sept. 2005</td> <td>Hurricane Katrina</td> <td>various sources</td> <td>New Orleans, La.</td> <td>7 million gallons</td> </tr><tr><td><b>5.</b></td> <td>June 8, 1990</td> <td>explosion</td> <td>tanker <i>Mega Borg</i></td> <td>60 miles off Galveston, Texas</td> <td>5.1 million gallons</td> </tr><tr><td><b>6.</b></td> <td>Nov. 28, 2000</td> <td>ran aground</td> <td>tanker <i>Westchester</i></td> <td>Port Sulphur, La.</td> <td>567,000 gallons</td> </tr><tr><td><b>7.</b></td> <td>Jan. 23, 2010</td> <td>collision</td> <td>tanker <i>Eagle Otome</i></td> <td>Port Arthur, Texas</td> <td>462,000 gallons</td> </tr><tr><td><b>8.</b></td> <td>July 25, 2008</td> <td>collision</td> <td>unnamed barge</td> <td>New Orleans, La.</td> <td>419,000 gallons</td> </tr><tr><td><b>9.</b></td> <td>Dec. 7, 2004</td> <td>ran aground</td> <td>M/V <i>Selendang Ayu</i></td> <td>Aleutian Islands, Alaska</td> <td>337,000 gallons</td> </tr><tr><td><b>10.</b></td> <td>Aug. 10, 1993</td> <td>collision</td> <td>barge <i>Bouchard B155</i></td> <td>Tampa Bay, Fla.</td> <td>336,000 gallons</td> </tr></tbody></table><div class="relContent"> </div>  <div style="padding:10px 0;"> <div id="ld-2559-4525"> </div> </div> <a href="/disasters/man-made/railroad-accidents" rel="prev">Railroad Accidents</a> <div class="field_intro_page"><a href="/disasters">Disasters</a></div> <a href="/disasters/man-made/sports-disasters" rel="next">Sports Disasters</a> <div> <div class="field_old_url">.com/science/environment/largest-oil-spills-united-states.html</div> </div> <div class="src-wrapper"> <div class="expand-src">Sources +</div> <div class="collapse-src hide"> <div><a href="/sources">Our Common Sources</a></div> </div> </div> </article> <div class="views-element-container block" 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