In this chapter, the following terms have the meanings indicated. Terms not defined below shall have the meanings given to them in the relevant statutes or, if not defined in statutes, the meanings attributed by common use. The terms “Department”, “federal flood insurance program”, “100-year flood event”, and “subdivision” are defined in the Environment Article, Annotated Code of Maryland. The definitions for these terms are provided below as a convenience, but persons affected by the Department's regulations should be aware that these definitions are subject to amendment by the General Assembly. Terms Defined. “Administration” means the Water Management Administration. “Capital project” means any flood control or watershed management capital project which: Reduces flood hazards; Has an expected useful life of at least 15 years; May include public acquisition or structural methods; and Does not include the following associated elements of any project: Research, Planning, Study, Operation, Repair, or Maintenance. “Department” means the Department of the Environment. “Flood management plan” means a plan to guide activities in a watershed for the purpose of minimizing the hazards of flooding and preserving the biological values associated with the land and water resources, pursuant to Environment Article, Title 5, Subtitle 8, Annotated Code of Maryland. “Federal flood insurance program” means the program established by the National Flood Insurance Act of 1968, as amended. "100-year flood event" or "100-year flood" means a flood that has a 1-percent chance of being equalled or exceeded in any given year. “Subdivision” means any county, including Baltimore City. The term “subdivision” also means any incorporated municipality which has the authority to adopt and enforce land use and control measures for the areas within its jurisdiction. “Ultimate development” means the anticipated development during the expected useful life of the capital project.