As used in this chapter, the following terms shall have the meanings indicated:
ADMINISTRATOR
The Federal Insurance Administrator to whom the Secretary of the U.S. Department of Housing and Urban Development has delegated the administration of the National Flood Insurance Program.
BUILDING
A combination of materials to form a permanent structure having walls and a roof. Included shall be all mobile homes and trailers used for human habitation.
DESIGNATED FLOODPLAIN DISTRICTS
Those areas subject to inundation by waters of the one-hundred-year flood as delineated in the Flood Insurance Studies for the local municipalities located within Delaware County, Pennsylvania, as prepared by the U.S. Department of Housing and Urban Development, Federal Insurance Administration. Included would be areas identified as the floodway, flood-fringe, general floodplain, and/or special floodplain.
DEVELOPER
Any landowner, agent or such landowner or tenant with the permission of such landowner, who makes or causes to be made a subdivision of land or a land development.
DEVELOPMENT
Any man-made change to improved or unimproved real estate, including, but not limited to, buildings or other structures, the placement of mobile homes, streets and other paving, utilities, mining, dredging, filling, grading, excavation, or drilling operations.
ELIGIBLE COMMUNITY
Any community for which the Administrator has authorized the sale of flood insurance under the National Flood Insurance Program.
FLOOD ELEVATION DETERMINATION
A determination by the Administrator of the water surface elevations of the one-hundred-year flood.
FLOOD HAZARD BOUNDARY MAP (FHBM)
An official map of a local municipality, issued by the Administrator, where the boundaries of the flood and related erosion areas having special hazards have been designated as Zone A, M, and/or E.
FLOOD INSURANCE RATE MAP (FIRM)
An official map of a community on which the Administrator has delineated both the special hazard areas and the risk premium zones applicable to the local municipality.
FLOOD or FLOODING
A general and temporary condition of partial or complete inundation of normally dry land areas from:
A. 
The overflow of inland or tidal waters;
B. 
The unusual and rapid accumulation or runoff of surface waters from any source.
FLOODPLAIN
Any land area susceptible to being inundated by water from any flood.
FLOODPLAIN MANAGEMENT REGULATIONS
Any zoning ordinances, building codes, health regulations, special purpose ordinances (such as floodplain ordinances, grading ordinances, soil and erosion ordinances), and other application of police power. The term describes such state laws and regulations as well as local ordinances, in any combination thereof, which provide standards for the purpose of flood damage prevention and reduction.
FLOODPROOFING (NONRESIDENTIAL)
Any combination of structural additions, changes or adjustment of structures such that the structure becomes watertight with walls substantially impermeable to the passage of water with structural components having the capability of resisting hydrostatic and hydrodynamic loads and the effects of buoyancy.
FLOODPROOFING (RESIDENTIAL)
Any combination of structural additions, changes, or adjustment of structures which reduce or eliminate flood damage to real estate or improved real property, water and sanitary facilities, structures and their contents.
FLOODWAY
The channel of a river or other watercourse and the adjacent land areas that must be reserved to carry and discharge a flood of the one-hundred-year magnitude.
FREEBOARD
A factor of safety, usually expressed in feet above a flood level for purposes of floodplain management.
LOCAL MUNICIPALITY OR COMMUNITY
Any city, borough or township of the First or Second Class wholly within the County of Delaware.
MOBILE HOME
A structure, transportable in one or more sections, which is built on a permanent chassis and designed as a dwelling unit, office, or place of assembly used with or without a permanent foundation when connected to the required utilities.
ONE-HUNDRED-YEAR FLOOD
A flood that, on the average, is likely to occur once every 100 years, (i.e., that has a one-percent chance of occurring each year, although the flood may occur in any year).
REGULATORY FLOOD ELEVATION
The one-hundred-year flood elevation plus a freeboard safety factor of 1 1/2 feet.
STRUCTURE
Anything constructed or erected on the ground or attached to the ground, including, but not limited to, buildings, factories, sheds, cabins, mobile homes, and other similar items.
SUBDIVISION
The division or redivision of a lot, tract or parcel of land by any means into two or more lots, tracts, parcels or other division of land, including changes in existing lot lines for the purpose, whether immediate or future, of lease, transfer of ownership or building or lot development; provided, however, that the division of land for agricultural purposes into parcels of more than 10 acres, not involving any new street or easement of access, shall be exempted.