How did the BP oil leak in Prudhoe Bay affect the environment?

(Include how its damaging to the animals, ocean, etc.)How did the BP oil leak in Prudhoe Bay affect the environment?
It was a 210 gallon spill...a little less than four barrels. It highlighted the shoddy maintenance of parts of the oil field. They are considering shutting it down completely now. Shutting down Prudhoe Bay could, ultimately be better for the envioronment than the way that things were.How did the BP oil leak in Prudhoe Bay affect the environment?
It made my tank more expensive to fill, which made me very upset which in turn I harmed small woodland creatures for stress relief.
Which leak and which time? There has been more than one, you know!