Estimated 400 barrels of oil leaked from Keystone pipeline in South Dakota
TransCanada continues to make significant progress in its investigation to locate the source of oil on the Keystone Pipeline right-of-way. The company has completed its initial modelling and have provided to regulators an estimate of the potential volume of leaked oil. The estimate is 400 barrels, or about 16,800 gallons.
The volume estimate reported to the National Response Centre (NRC) and the Pipeline and Hazardous Materials Administration (PHMSA) was based on the safe excavation of soil to expose more than 100 feet of pipe. It takes into account a number of factors, including oil observed in the soil and the potential area impacted.
The incident was first reported at approximately 12:30 p.m. on April 2. TransCanada immediately began the process to shut down the pipeline, activate its emergency response procedures and dispatch ground crews to assess the situation.
TransCanada crews on site reported no change in the overall footprint of the visible oil on a small surface area — 10-by-30 foot area — and continue efforts to safely excavate soil to analyze the pipe.
On-site crews of approximately 100 continue to work around the clock with regulators on the site approximately four miles from its Freeman pump station in Hutchinson County, S.D.
These specialists continue to affirm the incident is being controlled and there is no significant environmental impact observed and no threat to public safety.
The company has been keeping its shippers and customers up to date and have communicated that the pipeline from Hardisty, Alberta to Cushing, Okla., and to Wood River/Patoka, Ill., was expected to remain shut down through the end of last week.
This does not affect the Marketlink pipeline system, which uses the facilities of the southern leg of the Keystone system from Cushing to the Gulf Coast.
TransCanada has taken this incident very seriously and is working with federal and state regulatory agencies. Members of PHMSA are on site and monitoring progress. Other state agencies are on site frequently.
Frequent updates are provided to impacted landowners, the community and regulators and other agencies to ensure they are aware of the company’s progress. TransCanada appreciates the collaborative support of local officials and commissioners in Hutchinson County, as well as local landowners who have given permission to access lands for assessment, identification and clean-up activities.
For more information you can contact TransCanada’s community relations department, Community Information Line: 1 (855) 895-8754 or Community_Relations@Transcanada.com. ❖
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