Update: An official with Austin Watershed Protection said the oil spill from has been completely cleaned up.
The last boat finished cleaning in Lady Bird Lake around 8 a.m. Saturday morning. Officials estimate less than a half gallon leaked into the lake and said they expect no harmful impact to aquatic life.
Earlier:As of 10 p.m. Friday, crews are still working to clean up oil leaked from a truck onto 4.3 miles of Lamar Boulevard.
A boom has been deployed in Lady Bird Lake to capture some of the oil which has leaked into its waters, creating a slick about 300 yards wide.
TWC News: Crews finish cleaning downtown oil spill
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Austin Fire Department spokesman Palmer Buck said 50 to 70 gallons of motor oil spilled onto Lamar Boulevard Friday afternoon. It leaked from a truck owned by Avery Johnson Oil Company.
Officials have spread an absorbent, sand-like material across Lamar and will also send street sweepers to clean up the mess. The roads will remain slick.
Officials say it's unlikely any oil would make it into Lady Bird Lake, but just in case, Austin Watershed Protection is placing 300 feet of floating containment boom on the water.
According to Buck, Avery Johnson Oil Company could be charged for the city's efforts to clean up storm drains.
Earlier: A massive oil spill has shut down traffic through much of downtown Austin.
Police initially warned the spill on Lamar Boulevard reached from 10th Street to Barton Springs Road. However, a fire official told YNN the spill spans from 38th Street to Oltorf Road.
Officers also say the spilled substance is a “hydraulic fluid.”
It’s still unclear how the spill occurred, but two accidents have been reported.
YNN has a crew on the scene and will bring you more details as they become available.