Lake Maumelle Watershed ExxonMobil Pegasus Pipeline Pipeline and - PowerPoint PPT Presentation

Lake Maumelle Watershed ExxonMobil Pegasus Pipeline

Pipeline and Rupture Overview v Constructed 1948 v 858 miles long v Flow reversed in 2006 v Up to 4 million gallons per day v Carries Wabasca heavy crude/dilbit v Ruptured on March 29, 2013, in Mayflower v Estimated 210,000 gallons spilled Image ¡Source: ¡PBS ¡NewsHour ¡ ¡

Lake Maumelle Watershed v Water supply for 400,000 v One valve station in the watershed v 13.6 miles of Pegasus pipeline v Rugged and inaccessible terrain

Central Arkansas Water’s Efforts What ¡We ¡Thought ¡We ¡Knew ¡ v Emergency preparation v Acquire emergency v Regular pipeline ROW exercises response materials inspections Mayflower ¡Rupture ¡ v Information Requests v Actions to reduce and v Legal and administrative eliminate risk actions What ¡We ¡Should ¡and ¡Need ¡to ¡Know ¡ ¡ v Operational information v Integrity management v Engagement actions and results opportunities and v Product information jurisdiction

Emergency Response

Emergency Materials

Pipeline Inspections

Central Arkansas Water’s Efforts What ¡We ¡Thought ¡We ¡Knew ¡ v Emergency preparation v Acquire emergency v Regular pipeline ROW exercises response materials inspections Mayflower ¡Rupture ¡ v Information Requests v Actions to reduce and v Legal and administrative eliminate risk actions What ¡We ¡Should ¡and ¡Need ¡to ¡Know ¡ ¡ v Operational information v Integrity management v Engagement actions and results opportunities and v Product information jurisdiction

Information Requests

Risk Reduction Requests

Legal and Administrative Actions

Central Arkansas Water’s Efforts What ¡We ¡Thought ¡We ¡Knew ¡ v Emergency preparation v Acquire emergency v Regular pipeline ROW exercises response materials inspections Mayflower ¡Rupture ¡ v Information Requests v Actions to reduce and v Legal and administrative eliminate risk actions What ¡We ¡Should ¡and ¡Need ¡to ¡Know ¡ ¡ v Operational information v Integrity management v Engagement actions and results opportunities and v Product information jurisdiction