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2. The Wetland Banking Concept: C 



a. Examples that illustrate the definition of wetland banking provided by the 



memorandum of agreement include, but are not limited to: 



•Reclamation ofa borrow source, prior to construction of a roadway 



project, in a manner which provides the wetland values lost as a result 



of the project. 



•Wetland development in uneconomical remainders of roadway 



right-of-way. The developed wetland may serve the function of 



improving the quality of roadway runoff prior to discharge to a receiving 



water. 



•Restoration of wetlands, within the right-of-way of a roadway 



project, in excess of that required to mitigate for a loss attributable 



to the project. Mitigation beyond that required is credited to a wetland 



bank for use by future projects, distant from the restored wetland. 



•Purchase of private property adjacent to existing public lands and . 



development of the purchased property as a wetland. Title and I 



maintenance of the land is assumed by an adjacent public agency 



other than ITD (ie. US FWS, US Bureau of Land Management, US ] 



Forest Service, IDL, IDFG). 



•Fencing an off-site wetland. Immediately threatened by grazing or 



other activity, and supplementing existing wetland vegetation with 



intentional plantings to improve wetland values. 



3. Areas and Activities for which Wetland Banking may be 

 Considered: 



a. Examples of ITD activities that may impact existing wetlands and may 

 potentially be mitigated by the wetland bank include, but are not limited to: 



•Reconstruction of roadways on improved alignments. 



•Placement of sliver fills for roadway widening or curve straightening. 



•Placement of fills for bridge abutments and piers. 



•Placement of rip-rap on the face of roadway fills to prevent losses 



due to erosion. 



4. Location and Development of a Wetland Bank: 



a. The need for a wetland bank should be identified, and the location of 

 potential wetland bank sites should be reviewed In cooperation with 

 interested agencies. 



b. The wetland bank must either be a newly developed wetland, or the 

 enhancement of an existing wetland. The preservation of an existing 

 wetland is not consistent with the concept of wetland banking, with one 

 exception. That exception being the purchase of privately owned wetlands, 

 which are threatened with immediate destruction or alteration and not 

 regulated by federal, state, or local regulation. 



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