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Studies that could lead to several design improvements and changes to the Diversion Project are continuing over the summer months.  The studies follow the April 3rd signing of the Record of Decision (ROD) on the Project’s Final Feasibility Report and Environmental Impact Study (FEIS).

The Diversion Authority and local sponsors are conducting a preliminary Post-ROD Analysis, outside of the Corps of Engineers process, of these potential modifications to the project:

  1. Move the Diversion inlet south of Oxbow.
  2. Move the Diversion inlet north of the confluence of the Red and Wild Rice Rivers.
  3. Evaluate staging and storage volume based on new or proposed upstream retention.
  4. Protect the Oxbow/Hickson/Bakke area with levees/ring dike.

In addition to the current study of increasing flows through town, the following possibilities and goals will be studied jointly with the Corps of Engineers:

  1. Move the Diversion inlet slightly north (Value Engineering Proposal 13).
  2. Protect existing communities with levees (Comstock and Christine).
  3. Conduct analysis while continuing design of the Project on schedule.
  4. Continue to improve overall project value with goals to improve reliability, reduce impacts, and reduce costs.

Any potential Project changes will be evaluated individually and in combination with other potential changes.  If analysis yields new information supporting changes from the feasibility study, the information will be provided to the Corps of Engineers for additional consideration.  The Diversion Authority recognizes that changes to the project, minor or major, may require additional studies, Environmental Assessments (EA) or Supplemental Environmental Impact Statements (SEIS).  Any changes to the Project that may affect congressional authorization of the Project will be avoided.

The preliminary Post-ROD Analysis is expected to be completed by the fall of 2012.

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