For the purposes of these parts certain terms or words used herein shall be interpreted as follows.
"Boundary rivers" means the Red River of the North and the Bois de Sioux River as they form a natural boundary between the states of Minnesota and North Dakota.
"Dike" means an embankment constructed of earth and/or other suitable materials to protect agricultural lands.
"Farmstead" means a farm dwelling and/or associated farm buildings.
"Flood frequency" means the average frequency, statistically determined, for which it is expected that a specific flood stage or discharge may be equalled or exceeded. This frequency is usually expressed as having a probability of occurring, on the average, once within a specified number of years.
"Flood waters" means those waters which temporarily inundate normally dry areas adjoining a watercourse. This inundation results from an overflow of the watercourse caused by excessive amounts of rainfall and/or snowmelt which exceed its capacity.
"Public waters" means all natural and altered natural watercourses with a total drainage area greater than two square miles, except that trout streams officially designated by the commissioner shall be public regardless of the size of their drainage area.
"Watercourse" means a channel in which a flow of water occurs either continuously or intermittently in a definite direction. The term applies to either natural or artificially constructed channels.