Spills · oil
Mystery sheen in 40 arpent canal, chalmette, la
NOAAORR-10482
- issued
- 2022-06-22 00:00Z
- status
- cancelled 2022-07-06 00:00Z
- self-cancels
- 2022-07-06 00:00Z
- authority
- NOAA OR&R
- sea
- Gulf of Mexico
- position
- 29.951, -89.936
- source
- incidentnews · first seen 2026-09-03 15:09Z
Original warning text
Mystery Sheen in 40 Arpent Canal, Chalmette, LA. Chalmette, LA, USA. 1. On June 19, 2022, the USCG Sector New Orleans notified the NOAA SSC regarding a discharge of an unknown amount of an unknown oil from an unknown source in a drainage canal located along the Lower Mississippi River and the Mississippi River Gulf Outlet, in St. Bernard Parish, LA. USCG on-site response personnel report a strong fuel smell and an 8-10ft alligator in the area along with several sheens ranging from 1nm to 4nm long within the canal. Valero Energy initiated response actions. USCG requested NOAA on-site support. 2. THREAT: OIL. 3. POSITION 29.951N 089.936W. NOAA INCIDENTNEWS 10482: https://incidentnews.noaa.gov/incident/10482
This area · spills & pollution incidents
1066 within 180 nm since 1970 · 36 in the last 12 months · 2 in force now
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- Crude oil spill and in-situ burn at tpic; south pass 24, pilottown, louisiana2026-08-26
- 8X38+5H dauphin island, al, USA2026-08-24
- Mystery sheen at south pass 29; port eads, louisiana2026-08-13
- Wcc oil spill, main pass 21; breton sound, louisiana2026-06-11
- Tpic oil spill, main pass 81; gulf of america2026-06-10
- Oil spill from out-of-service tank at tpic main pass 69 facility; louisiana2026-05-19
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Timeline · 2 messages since 2022-06-22 · closed 2022-08-11
- Mystery sheen in 40 arpent canal, chalmette, la this message2022-06-22 → 2022-07-06
- Bunker oil discharge from tanker into lower mississippi river, almedia, la2022-07-28 → 2022-08-11
joined by proximity
Nearby now · within 120 nm
Worldwide now
8 spills & pollution incidents in force · see all
Spills
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. All current spills & pollution incidents →
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