Idaho Statutes Title 55. Property in General § 55-2210. Excavations exempt from notice requirement

(1) An excavation of less than fifteen (15) inches in vertical depth outside the boundaries of an underground facility easement of public record on private property.

(2) The tilling of soil to a depth of less than fifteen (15) inches for agricultural practices.

(3) The extraction of minerals within recorded mining claims or excavation within material sites legally located and of record, unless such excavation occurs within the boundaries of an underground facility easement.

(4) Normal maintenance of roads, streets and highways, including cleaning of roadside drainage ditches and clear zones, to a depth of fifteen (15) inches below the grade established during the design of the last construction of which underground facility owners were notified and which excavation will not reduce the authorized depth of cover of an underground facility.

(5) Replacement of highway guardrail posts, sign posts, delineator posts, culverts, and traffic control device supports in the same approximate location and depth of the replaced item within public highway rights-of-way.

(6) Normal maintenance of railroad rights-of-way, except where such rights-of-way intersect or cross public roads, streets, highways, or rights-of-way adjacent thereto, or recorded underground facility easements.