Wetlands Restoration and Improvement Act of 1997

Wetlands Restoration and Improvement Act of 1997 - Amends the Federal Water Pollution Control Act to declare that it is national policy to: (1) achieve, through regulatory and nonregulatory opportunities involving all levels of government and supported by private initiatives, the conservation and restoration of wetlands to increase the quantity and quality of, and no overall net loss of, the wetlands resource base of the United States; and (2) foster wetlands mitigation banking as a means to mitigate wetlands loss by providing a stable, practical, and workable regulatory framework for the use of mitigation banking, making appropriate use of existing, successful State programs for mitigation banking, taking into account regional variations in wetlands conditions.

Directs the Secretary of the Army to issue a mitigation bank charter to a person whose application satisfies specified criteria. Requires an applicant to submit an application signed by a responsible official which contains specified information, including: (1) the proposed restoration, enhancement, creation, or preservation projects proposed to be included in the scope of the charter; (2) the proposed service area for each proposed project; (3) reliable assurances of an adequate source of water; (4) adequate legal control over the real property in the proposed project; (5) adequate financial assurances; (6) an adequate operations and maintenance plan to assure continued viability of the proposed project after completion of project construction; and (7) adequate legal protection to assure permanent protection of the wetlands in the mitigation bank that are used as the basis for selling credits.

Sets forth provisions regarding annual reports, decision deadlines, and other procedural matters, including State approval of mitigation bank projects.

Authorizes a mitigation bank, upon receipt of its charter, to offer mitigation credits for sale, subject to specified requirements. Directs the Secretary to propose regulations which set forth objective criteria by which: (1) the number of credits to be yielded by a mitigation banking project may be determined; and (2) mitigation bank service areas are to be determined. Requires such regulations to establish a preference for in-kind compensation of wetland impacts.

Directs the Secretary to develop a State-by-State implementation strategy. Sets forth reporting requirements.