"Enbridge has been working with the DNR to monitor and evaluate the Moose Lake site following Line 3 construction. As part of its ongoing post-construction monitoring activities, Enbridge reported the groundwater flow to the DNR and is providing information as requested. Enbridge is providing a corrective action plan for this location as requested and will implement it upon approval. "Aquifer issues on Line 3 did not involve the pipe itself, nor drilling, but related to sheet metal piling typically used in construction to reinforce the trench for worker safety. "The Line 3 Replacement Project was built under the most comprehensive regulatory framework in the history of Minnesota resulting in the issuance of over 60 federal, state, local, and tribal approvals. These approvals included the strictest environmental requirements in state history.