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MAYFLOWER, Ark. (KTHV) -It's been one week since an ExxonMobil pipeline rupturedin the Northwoods subdivision of Mayflower, spilling heavy crude oil through streets and yards.

Crews have worked to collect about 19,000 barrels of oil and water over the last seven days. An Exxon spokesperson said Thursday that about 50 percent of the oil in Northwoods has been collected.

Here are key points to know about the spill caused by the Pegasus Pipeline:

  • 22 homes in Northwoods were evacuated, and remain evacuated indefinitely. It's expected to be 2-3 weeks until the residents can get back in their homes.
  • ExxonMobil and the Arkansas Game and Fish Commission said water did not get into nearby Lake Conway.
  • There has been no impact on Mayflower's drinking water supply, which comes from Greers Ferry Lake, located about 65 miles northeast of Mayflower.
  • ExxonMobil has not provided information as to what caused the pipeline to rupture. It said that is still under investigation.
  • The oil is said to be a 'heavy crude oil' from Wabasca, Canada.
  • The Pegasus Pipeline runs from Illinois to Texas.
  • Regarding health concerns due to oil fumes in the area, the Environmental Protection Agency (EPA) said Thursday nightthe air quality readings have been below levels likely to cause health effects for the general population, exceptthe cleanup areas where the emergency responders are directly working.
  • ExxonMobil cannot provide an update on the estimated time or cost of cleanup at this time.
  • ExxonMobil has said it will pay all cleanup costs associated with the Mayflower, Arkansas oil spill.
  • About 140 claims had been filed Thursday night in relation to the oil spill.
  • Those affected by the spill who need to contact ExxonMobil may do so by calling 1-800-876-9291.

THV 11 has been in Mayflower each day since the spill, and the day of. We will continue providing updates on the cleanup's progress and get answers to questions that the public wants to know.

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