Spills & pollution incidents in the Gulf of Mexico

Oil and chemical spills, groundings and vessel casualties with a pollution threat: NOAA IncidentNews responses since 1957, and spill-response areas broadcast as navigational warnings.

in force
3
last 12 months
50
vs previous 12 (51)
-2%
since 1970
1,564

Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so 2024–2026 are under-counted.

In force now · 3

  1. NOAAORR-11211in force2026-08-26
    On August 27, 2026, a 150-barrel crude oil spill from a Texas Petroleum Investment Company flowline at South Pass 24 near Pilottown, Louisiana, is being cleaned up.
  2. NOAAORR-11210in force2026-08-25
    Intermittent oil sheen reported at Flower Garden Banks National Marine Sanctuary, Bright Bank on August 25, 2026, source unidentified.
  3. NOAAORR-11207in force2026-08-24
    A gas release on August 24, 2026, near Dauphin Island, Alabama, causes bubbling in Mobile Bay and a sulfur-like odor near a natural gas pipeline.
    Mysterious Gas Release; Dauphin Island, Alabama

Longest in force

  1. NOAAORR-11207in force2026-08-24 · 11 d
    A gas release on August 24, 2026, near Dauphin Island, Alabama, causes bubbling in Mobile Bay and a sulfur-like odor near a natural gas pipeline.
    Mysterious Gas Release; Dauphin Island, Alabama
  2. NOAAORR-11210in force2026-08-25 · 10 d
    Intermittent oil sheen reported at Flower Garden Banks National Marine Sanctuary, Bright Bank on August 25, 2026, source unidentified.
  3. NOAAORR-11211in force2026-08-26 · 9 d
    On August 27, 2026, a 150-barrel crude oil spill from a Texas Petroleum Investment Company flowline at South Pass 24 near Pilottown, Louisiana, is being cleaned up.

By year

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By month (all years)

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Other hazards in the Gulf of Mexico

Archive · 1,561 cancelled

  1. NOAAORR-82142010-04-03 → 2010-04-17
    Mystery sheen (nrc (36029); gulf of mexico off la coast
  2. NOAAORR-81842010-01-23 → 2010-02-06
    Port arthur, tx
    T/v Eagle Otome-barge Collision; Port Arthur, Tx
  3. NOAAORR-81722010-01-08 → 2010-01-22
    Mary parish, la
    West Cote Blanche Bay; St
  4. NOAAORR-81692010-01-03 → 2010-01-17
    Panama city, fl
    Watson Bayou Heavy Fuel Oil Spill; Panama City, Fl
  5. NOAAORR-81632009-12-14 → 2009-12-28
    Offshore galveston, tx
    T/v Suhail Star; Offshore Galveston, Tx
  6. NOAAORR-81612009-12-06 → 2009-12-20
    Gulf of mexico, off la coast
    Capt Mike, Sunken Vessel; Gulf of Mexico, Off la Coast
  7. NOAAORR-81602009-12-05 → 2009-12-19
    Plaquemine parish, la
    Sulfur Dioxide Release, Conoco Phillips; Plaquemine Parish, la
  8. NOAAORR-81522009-11-16 → 2009-11-30
    Ship shoal area, la
    Sheen; Ship Shoal Area, la
  9. NOAAORR-81532009-11-16 → 2009-11-30
    Mystery slick observed (nrc 923762); gulf of mexico, cameron parish, la
  10. NOAAORR-81432009-11-05 → 2009-11-19
    Loop buoy #3; offshore louisiana
  11. NOAAORR-81372009-10-30 → 2009-11-13
    Sw pass, mississippi delta, gom, la
    M/V Pac Alkaid Oil Spill; Sw Pass, Mississippi Delta, Gom, la
  12. NOAAORR-81382009-10-29 → 2009-11-12
    On thursday, 29 october 2009, the regional noaa scientific support coordinator was notified by uscg sector…
    Humble Canal Oil Spill; Paradis, Louisiana · Paradis, Louisiana
  13. NOAAORR-81312009-10-20 → 2009-11-03
    Gulf of mexico, galveston lightering zone
    T/v Krymsk Oil Spill; Gulf of Mexico, Galveston Lightering Zone
  14. NOAAORR-81262009-10-09 → 2009-10-23
    Near lake pelto, la
    Captain Nathan Shrimping Vessel; Near Lake Pelto, la
  15. NOAAORR-81182009-10-01 → 2009-10-15
    Mystery spill ship shoal block 118 ; gulf of mexico
  16. NOAAORR-81062009-09-28 → 2009-10-12
    M/t eagle tuscon grounding; MM3 miss
  17. NOAAORR-81042009-09-27 → 2009-10-11
    On 27 september at approximately 0310 hrs this sunday morning (saturday night if you were asleep like most…
    Norco Chemical Release, Equipment Failure; Norco la · Norco la
  18. NOAAORR-81032009-09-26 → 2009-10-10
    Reported sheen, s timbalier block 52; gulf of mexico, off louisiana coast
  19. NOAAORR-81022009-09-26 → 2009-10-10
    Houston ship channel, houston tx
    Chemical Supplier Oil Spill; Houston Ship Channel, Houston Tx
  20. NOAAORR-81002009-09-22 → 2009-10-06
    Mystery sheen; grande isle block 37, la
  21. NOAAORR-80992009-09-20 → 2009-10-04
    Bayou bienvenue, la
    Refinery Fuel Gas Pipeline Leak; Bayou Bienvenue, la
  22. NOAAORR-80952009-09-12 → 2009-09-26
    Gulf of mexico, la
    Southern Dancer Incident and Diesel Spill; Gulf of Mexico, la
  23. NOAAORR-80942009-09-11 → 2009-09-25
    Gulf of mexico, la
    Fishing Vessel Sugar Babe; Gulf of Mexico, la
  24. NOAAORR-80922009-09-04 → 2009-09-18
    Mystery sheen; south marsh island block 39, la
  25. NOAAORR-80832009-08-26 → 2009-09-09
    At approximately 0930 (local time) on 26 aug
    Mystery Slick; Offshore Louisiana · Offshore Louisiana
  26. NOAAORR-80822009-08-25 → 2009-09-08
    Sheen; grand isle block 93
  27. NOAAORR-80792009-08-22 → 2009-09-05
    Sabine block 13; off sabine pass, tx
  28. NOAAORR-80782009-08-20 → 2009-09-03
    Mystery sheen; eugene island block 184
  29. NOAAORR-80772009-08-15 → 2009-08-29
    Off timbalier island
    Mystery Sheen; Off Timbalier Island
  30. NOAAORR-80662009-08-04 → 2009-08-18
    Icw at colorado river, tx
    Barge Allision With Mooring Buoy; Icw At Colorado River, Tx
  31. NOAAORR-80672009-08-04 → 2009-08-18
    High island 262 explosion; gulf of mexico
  32. NOAAORR-80622009-08-01 → 2009-08-15
    Grounded barges, ctco 336/358; texas city dike, tx
  33. NOAAORR-80612009-07-26 → 2009-08-09
    On sunday afternoon, 26 july 2009, noaa was notified of an oil spill 33 miles offshore and 60 miles…
    Eugene Island Pipeline Spill; Gom, la · Gom, la
  34. NOAAORR-80552009-07-22 → 2009-08-05
    Gulf of mexico, tx
    Mystery Tarballs, South Padre Island Beaches; Gulf of Mexico, Tx
  35. NOAAORR-80542009-07-22 → 2009-08-05
    Green canyon 645 mystery spill; gulf of mexico
  36. NOAAORR-80532009-07-20 → 2009-08-03
    Port of galveston, texas
    M/V Chios Liberty; Port of Galveston, Texas
  37. NOAAORR-80502009-07-16 → 2009-07-30
    Gulf of mexico, la
    Suspected Pipeline Leak Off Marsh Island; Gulf of Mexico, la
  38. NOAAORR-80512009-07-16 → 2009-07-30
    Sector houston has requested that noaa assist in a post-incident investigation of possible chemical reaction…
    Unknown Ship Board Chemical Reaction; Houston, Tx · Houston, Tx
  39. NOAAORR-80492009-07-15 → 2009-07-29
    F/V unknown name; 19 miles west of tarpon springs, fl
  40. NOAAORR-80472009-07-14 → 2009-07-28
    At 9:58 pm (local time) on 14 july 2009, the regional noaa scientific support coordinator (ssc) was…
    Chalmette Refinery Hydrofluoric Acid Incident; Chalmette, la · Chalmette, la
  41. NOAAORR-80452009-07-09 → 2009-07-23
    Off timbalier island, la
    Mystery Slick; Off Timbalier Island, la
  42. NOAAORR-80412009-07-07 → 2009-07-21
    On the morning of july 7th, the noaa hazmat duty officer was notified by the uscg of a release of ethyl…
    Ethyl Acrylate - Dow Chemical; Hahnville, la · Hahnville, la
  43. NOAAORR-80392009-07-04 → 2009-07-18
    Icw west of intracostal city, la
    Kirby Barge, Hcl Vapor; Icw West of Intracostal City, la
  44. NOAAORR-80372009-06-30 → 2009-07-14
    Offshore cameron, la
    Unknown Material; Offshore Cameron, la
  45. NOAAORR-80362009-06-25 → 2009-07-09
    Lake pontchartrain, la
    Tug Capt Mac Sinking; Lake Pontchartrain, la
  46. NOAAORR-80352009-06-23 → 2009-07-07
    Gulf of mexico, galveston, tx
    M/V Tristan, Stern Tube Oil; Gulf of Mexico, Galveston, Tx
  47. NOAAORR-80302009-06-06 → 2009-06-20
    Mystery sheen eugene block 300; gulf of mexico, off la
  48. NOAAORR-80292009-05-28 → 2009-06-11
    Underwater platform spill; approx.170 miles offshore
  49. NOAAORR-80252009-05-23 → 2009-06-06
    Barataria bay, la
    Dredge Support Vessel Grounded; Barataria Bay, la
  50. NOAAORR-80262009-05-22 → 2009-06-05
    South texas coast
    Mystery Texas Tarballs; South Texas Coast

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.