Spills · oil

Wcc oil spill, main pass 21; breton sound, louisiana

NOAAORR-11169

issued
2026-06-11 00:00Z
status
cancelled 2026-06-25 00:00Z
self-cancels
2026-06-25 00:00Z
authority
NOAA OR&R
sea
Gulf of Mexico
position
29.564, -89.338
source
incidentnews · first seen 2026-09-03 15:09Z

Original warning text

WCC Oil Spill, Main Pass 21; Breton Sound, Louisiana.
Breton Sound, LA.
1. On June 11, 2026, multiple NESDIS (National Environmental Satellite, Data, and Information Service) satellite reports indicated a potential spill in northern Breton Sound and identified a potential source. The U.S. Coast Guard (USCG) confirmed the source as a WCC (WESCO International, Inc.) flow line in Main Pass block 21. WCC has secured the release and the sheen is expected to dissipate without impact to shoreline. No further requests for NOAA support at this time.
2. THREAT: OIL.
3. POSITION 29.564N 089.338W. NOAA INCIDENTNEWS 11169: https://incidentnews.noaa.gov/incident/11169

This area · spills & pollution incidents

1015 within 180 nm since 1970 · 35 in the last 12 months · 2 in force now

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Timeline · 16 messages since 2026-01-06 · closed 2026-06-25

  1. Crude oil release at tpic sl 1923 #28 well; pilottown, louisiana2026-01-06 → 2026-01-20
  2. Oil spill from tpic flow line, southwest pass 24; port eads, louisiana2026-01-16 → 2026-01-30
  3. Wellhead spill, grand isle 25; grand isle, louisiana2026-02-04 → 2026-02-18
  4. Flowline discharge, romere pass 23/24; venice, louisiana2026-02-14 → 2026-02-28
  5. Pilottown, la, USA2026-02-19 → 2026-03-05
  6. Mystery sheen in grande isle 18; grand isle, louisiana2026-02-25 → 2026-03-11
  7. Release at transfer buoy, grand isle block 59, loop marine terminal; gulf of america2026-02-26 → 2026-03-12
  8. 5M34+65 pilottown, la, USA2026-03-04 → 2026-03-18
  9. Venice, la, USA2026-04-15 → 2026-04-29
  10. Oil spill at tpic main pass 33; gulf, louisiana2026-04-21 → 2026-05-05
  11. Empire, la, USA2026-04-22 → 2026-05-06
  12. Oil spill at tpic main pass 65; empire, louisiana2026-04-24 → 2026-05-08
  13. Spill from tpic pipeline, main pass 69; louisiana2026-05-15 → 2026-05-29
  14. Oil spill from out-of-service tank at tpic main pass 69 facility; louisiana2026-05-19 → 2026-06-02
  15. Tpic oil spill, main pass 81; gulf of america2026-06-10 → 2026-06-24
  16. Wcc oil spill, main pass 21; breton sound, louisiana this message2026-06-11 → 2026-06-25

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