Maximum Operating Pressures (Updated April 2022) 

Below are the revised maximum operating pressures (MOP) that Enbridge uses to operate its Lakehead System pipelines following approval of the Sixth Modification of Consent Decree.  Each line in the spreadsheets lists an MOP value that is applicable to the entire distance between (i) the girth weld location identified in column D of that line and (ii) the girth weld location identified in column D of the next line of the spreadsheet.  See files from Jan. 25, 2017.

• Revised Enbridge Line 1 Maximum Operating Pressure (xlsx) (1.13 MB)
• Revised Enbridge Line 2 Maximum Operating Pressure (xlsx) (1.43 MB)
• Revised Enbridge Line 3 Maximum Operating Pressure (xlsx) (1.59 MB)
• Revised Enbridge Line 4 Maximum Operating Pressure (xlsx) (1.21 MB)
• Revised Enbridge Line 5 Maximum Operating Pressure (xlsx) (2.59 MB)
• Revised Enbridge Line 6A Maximum Operating Pressure (xlsx) (2.12 MB)
• Revised Enbridge Line 10 Maximum Operating Pressure (xlsx) (683.98 KB)
• Revised Enbridge Line 14 Maximum Operating Pressure (xlsx) (1.35 MB)
• Revised Enbridge Line 61 Maximum Operating Pressure (xlsx) (1.96 MB)
• Revised Enbridge Line 62 Maximum Operating Pressure (xlsm)
• Revised Enbridge Line 64 Maximum Operating Pressure (xlsx) (855.09 KB)
• Revised Enbridge Line 65 Maximum Operating Pressure (xlsx) (996.51 KB)
• Revised Enbridge Line 67 Maximum Operating Pressure (xlsx) (1.44 MB)
• Revised Enbridge Line 78 Maximum Operating Pressure (xlsx) (1.29 MB)

• Enbridge Line 93 Maximum Operating Pressure (xlsx)