The government estimates that the broken well in the Gulf of Mexico leaked close to five million barrels of oil before it was capped and sealed.
And last week, it released a report stating only a quarter of that oil remains on, or underneath the water.
But in the fishing town of Lafitte, Louisiana, many people who depend on the Gulf waters for their living are questioning the government's claims.
Al Jazeera's Cath Turner reports.
Source: Al Jazeera