Terms used in §§ 46-7-5.5 to 46-7-5.11, inclusive, mean:
(1) "Affidavit," a written declaration under oath, made on personal knowledge, subscribed and dated by the owner in the presence of a notary public;
(2) "Flood plain," an area below the dam that has been or may be covered with water from natural runoff or from any failure of the dam;
(3) "High-hazard dam," a dam whose failure may cause loss of life; and
(4) "Immediate family," the owner, the owner's spouse, and their minor children.