Unified Command

Kaktovik Tank KAK-70 ULSD Release

Location 4th Street, Kaktovik, Alaska (Lat/Long: 70.126559, -143.618159)
Product/Quantity The product released was ultra-low sulfur diesel (ULSD), which was spilled from an aboveground storage tank with a total capacity of 5,000 gallons. Currently, the spill volume is unknown and being assessed. The tank, located on a gravel pad, was last filled on December 22, 2016. Based on fuel records, the NSB estimates that at the time of the release the tank contained approximately 4,000 gallons of ULSD, which represents the maximum potential spill volume.
Cause The fuel line that connects the 5,000 gallon tank to a pump house broke following a strong winter storm event. The NSB and ADEC are investigating the cause of the line break, which is currently unknown.
Time/Date of Incident The spill was discovered on January 9, 2017 following a storm event, when a local North Slope Borough (NSB) supervisor attempted to fill equipment from the pump house at 2:15 p.m. The NSB verbally reported the discovery of the spill to the Alaska Department of Environmental Conservation (ADEC) at 3:20 p.m. on January 9, 2017.


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